Bump v6.0.0-beta.9

* docs: add example on handling the webPrefs change

Fixes #17967

* Update breaking-changes.md

.circleci/fix-known-hosts.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+set -e
+
+mkdir -p ~/.ssh
+echo "|1|B3r+7aO0/x90IdefihIjxIoJrrk=|OJddGDfhbuLFc1bUyy84hhIw57M= ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==
+|1|rGlEvW55DtzNZp+pzw9gvyOyKi4=|LLWr+7qlkAlw3YGGVfLHHxB/kR0= ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==" >> ~/.ssh/known_hosts

.env.example

@@ -1,7 +1,7 @@
 # These env vars are only necessary for creating Electron releases.
 # See docs/development/releasing.md
 
-APPVEYOR_TOKEN=
+APPVEYOR_CLOUD_TOKEN=
 CIRCLE_TOKEN=
 ELECTRON_GITHUB_TOKEN=
 VSTS_TOKEN=

.eslintrc.json

@@ -1,12 +1,34 @@
 {
   "extends": "standard",
+  "parser": "@typescript-eslint/parser",
+  "plugins": ["@typescript-eslint"],
   "env": {
     "browser": true
   },
   "rules": {
     "no-var": "error",
+    "no-unused-vars": 0,
+    "no-global-assign": 0,
+    "@typescript-eslint/no-unused-vars": ["error", {
+      "vars": "all",
+      "args": "after-used",
+      "ignoreRestSiblings": false
+    }],
     "prefer-const": ["error", {
       "destructuring": "all"
-    }]
-  }
+    }],
+    "node/no-deprecated-api": 0
+  },
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module"
+  },
+  "overrides": [
+    {
+      "files": "*.js",
+      "rules": {
+          "@typescript-eslint/no-unused-vars": "off"
+      }
+    }
+  ]
 }

.github/CODEOWNERS

@@ -3,19 +3,18 @@
 # https://help.github.com/articles/about-codeowners
 # https://git-scm.com/docs/gitignore
 
-# Everything that falls through the cracks:
-* @electron/reviewers
+# Most stuff in here is owned by the Community & Safety WG...
+/.github/* @electron/wg-community
 
-# filename patterns
-*browser_view* @electron/browserview
-*notification* @electron/notifications
-*pdf* @electron/printing
-*printing* @electron/printing
-*updater* @electron/updater
+# ...except the Admin WG maintains this file.
+/.github/CODEOWNERS @electron/wg-admin
 
-# directories
-/.github/ @electron/electrocats
-/default_app/ @electron/docs
-/docs/ @electron/docs
-/docs-translations/ @electron/i18n
-/npm/ @electron/electrocats
+# Upgrades WG
+/patches/ @electron/wg-upgrades
+
+# Docs & Tooling WG
+/default_app/ @electron/wg-docs-tools
+/docs/ @electron/wg-docs-tools
+
+# Releases WG
+/npm/ @electron/wg-releases

.github/ISSUE_TEMPLATE.md

@@ -1,38 +0,0 @@
-<!--
-Thanks for opening an issue! A few things to keep in mind:
-
-- The issue tracker is only for bugs and feature requests.
-- Before reporting a bug, please try reproducing your issue against
-  the latest version of Electron.
-- If you need general advice, join our Slack: http://atom-slack.herokuapp.com
--->
-
-* Output of `node_modules/.bin/electron --version`:
-* Operating System (Platform and Version):
-
-<!-- If this used to work -->
-* Output of `node_modules/.bin/electron --version` on last known working Electron version (if applicable):
-
-### Expected behavior
-
-<!-- What do you think should happen? -->
-
-### Actual behavior
-
-<!-- What actually happens? -->
-
-### How to reproduce
-
-<!-- 
-
-Your best chance of getting this bug looked at quickly is to provide a REPOSITORY that can be cloned and run.
-
-You can fork https://github.com/electron/electron-quick-start and include a link to the branch with your changes.
-
-If you provide a URL, please list the commands required to clone/setup/run your repo e.g.
-
-  $ git clone $YOUR_URL -b $BRANCH
-  $ npm install
-  $ npm start || electron .
-
--->

.github/ISSUE_TEMPLATE/Bug_report.md

@@ -4,29 +4,51 @@ about: Create a report to help us improve Electron
 
 ---
 
-* Output of `node_modules/.bin/electron --version`:
-* Operating System (Platform and Version):
-* Output of `node_modules/.bin/electron --version` on last known working Electron version (if applicable):
+<!--  As an open source project with a dedicated but small maintainer team, it can sometimes take a long time for issues to be addressed so please be patient and we will get back to you as soon as we can.
+-->
 
-**Expected Behavior**
-A clear and concise description of what you expected to happen.
+### Preflight Checklist
+<!-- Please ensure you've completed the following steps by replacing [ ] with [x]-->
 
-**Actual behavior**
-A clear and concise description of what actually happened.
+* [ ] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
+* [ ] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
+* [ ] I have searched the issue tracker for an issue that matches the one I want to file, without success.
 
-**To Reproduce**
+### Issue Details
+
+* **Electron Version:**
+  * <!-- (output of `node_modules/.bin/electron --version`) e.g. 4.0.3 -->
+* **Operating System:**
+  * <!-- (Platform and Version) e.g. macOS 10.13.6 / Windows 10 (1803) / Ubuntu 18.04 x64 -->
+* **Last Known Working Electron version:**:
+  * <!-- (if applicable) e.g. 3.1.0 -->
+
+### Expected Behavior
+<!-- A clear and concise description of what you expected to happen. -->
+
+### Actual Behavior
+<!-- A clear and concise description of what actually happened. -->
+
+### To Reproduce
+<!--
 Your best chance of getting this bug looked at quickly is to provide a REPOSITORY that can be cloned and run.
+-->
 
-You can fork [electron-quick-start](https://github.com/electron/electron-quick-start) and include a link to the branch with your changes.
+<!--
+You can fork electron-quick-start (https://github.com/electron/electron-quick-start) and include a link to the branch with your changes.
+-->
 
+<!--
 If you provide a URL, please list the commands required to clone/setup/run your repo e.g.
 ```sh
 $ git clone $YOUR_URL -b $BRANCH
 $ npm install
 $ npm start || electron .
 ```
-**Screenshots**
-If applicable, add screenshots to help explain your problem.
+-->
 
-**Additional Information**
-Add any other context about the problem here.
+### Screenshots
+<!-- If applicable, add screenshots to help explain your problem. -->
+
+### Additional Information
+<!-- Add any other context about the problem here. -->

.github/ISSUE_TEMPLATE/Feature_request.md

@@ -4,14 +4,24 @@ about: Suggest an idea for Electron
 
 ---
 
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is.
+<!--  As an open source project with a dedicated but small maintainer team, it can sometimes take a long time for issues to be addressed so please be patient and we will get back to you as soon as we can.
+-->
 
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
+### Preflight Checklist
+<!-- Please ensure you've completed the following steps by replacing [ ] with [x]-->
 
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
+* [ ] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
+* [ ] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
+* [ ] I have searched the issue tracker for a feature request that matches the one I want to file, without success.
 
-**Additional context**
-Add any other context or screenshots about the feature request here.
+### Problem Description
+<!-- Is your feature request related to a problem? Please add a clear and concise description of what the problem is. -->
+
+### Proposed Solution
+<!-- Describe the solution you'd like in a clear and concise manner -->
+
+### Alternatives Considered
+<!-- A clear and concise description of any alternative solutions or features you've considered. -->
+
+### Additional Information
+<!-- Add any other context about the problem here. -->

.github/ISSUE_TEMPLATE/mac-app-store-private-api-rejection.md

@@ -1,13 +0,0 @@
----
-name: Mac App Store Private API Rejection
-about: Your app was rejected from the Mac App Store for using private API's
-
----
-
-* Electron Version: 
-
-**Rejection Email**
-Paste the contents of your rejection email here, censoring any private information such as app names.
-
-**Additional Information**
-Add any other context about the problem here.

.github/ISSUE_TEMPLATE/mac_app_store_private_api_rejection.md

@@ -0,0 +1,25 @@
+---
+name: Mac App Store Private API Rejection
+about: Your app was rejected from the Mac App Store for using private API's
+
+---
+
+<!--  As an open source project with a dedicated but small maintainer team, it can sometimes take a long time for issues to be addressed so please be patient and we will get back to you as soon as we can.
+-->
+
+### Preflight Checklist
+<!-- Please ensure you've completed the following steps by replacing [ ] with [x]-->
+
+* [ ] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
+* [ ] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
+
+### Issue Details
+
+* **Electron Version:** 
+  * <!-- (output of `node_modules/.bin/electron --version`) e.g. 4.0.3 -->
+
+### Rejection Email
+<!-- Paste the contents of your rejection email here, censoring any private information such as app names.-->
+
+### Additional Information
+<!-- Add any other context about the problem here. -->

.github/ISSUE_TEMPLATE/security_report.md

@@ -4,6 +4,7 @@ about: Do not create an issue for security reports, send an email to security@el
 
 ---
 
-Do not create an issue for security reports, send an email to:
+### Notice 
 
-security@electronjs.org
+**DO NOT** create an issue for security reports.
+Send an email to: **security@electronjs.org**.

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,4 +1,4 @@
-##### Description of Change
+#### Description of Change
 <!--
 Thank you for your Pull Request. Please provide a description above and review
 the requirements below.
@@ -6,7 +6,7 @@ the requirements below.
 Contributors guide: https://github.com/electron/electron/blob/master/CONTRIBUTING.md
 -->
 
-##### Checklist
+#### Checklist
 <!-- Remove items that do not apply. For completed items, change [ ] to [x]. -->
 
 - [ ] PR description included and stakeholders cc'd
@@ -14,9 +14,8 @@ Contributors guide: https://github.com/electron/electron/blob/master/CONTRIBUTIN
 - [ ] tests are [changed or added](https://github.com/electron/electron/blob/master/docs/development/testing.md)
 - [ ] relevant documentation is changed or added
 - [ ] PR title follows semantic [commit guidelines](https://github.com/electron/electron/blob/master/docs/development/pull-requests.md#commit-message-guidelines)
+- [ ] [PR release notes](https://github.com/electron/clerk/blob/master/README.md) describe the change in a way relevant to app developers, and are [capitalized, punctuated, and past tense](https://github.com/electron/clerk/blob/master/README.md#examples).
 
+#### Release Notes
 
-##### Release Notes
-<!-- Used to describe release notes for future release versions. See https://github.com/electron/clerk/blob/master/README.md for details. -->
-
-Notes: <!-- One-line Change Summary Here-->
+Notes: <!-- Please add a one-line description for app developers to read in the release notes, or `no-notes` if no notes relevant to app developers. Examples and help on special cases: https://github.com/electron/clerk/blob/master/README.md#examples -->

.github/config.yml

@@ -1,13 +1,3 @@
-# Configuration for new-issue-welcome - https://github.com/behaviorbot/new-issue-welcome
-
-# Comment to be posted to on first time issues
-newIssueWelcomeComment: |
-  👋 Thanks for opening your first issue here! If you're reporting a 🐞 bug, please make sure you include steps to reproduce it. We get a lot of issues on this repo, so please be patient and we will get back to you as soon as we can.
-
-  To help make it easier for us to investigate your issue, please follow the [contributing guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md).
-
-# Configuration for new-pr-welcome - https://github.com/behaviorbot/new-pr-welcome
-
 # Comment to be posted to on PRs from first time contributors in your repository
 newPRWelcomeComment: |
   💖 Thanks for opening this pull request! 💖
@@ -36,18 +26,16 @@ newPRWelcomeComment: |
 firstPRMergeComment: >
   Congrats on merging your first pull request! 🎉🎉🎉
 
-# Configuration for trop - https://github.com/codebytere/trop
-
-watchedProject:
-  name: Backports
-
+# Users authorized to run manual trop backports
 authorizedUsers:
   - alexeykuzmin
+  - BinaryMuse
   - ckerr
   - codebytere
   - deepak1556
   - jkleinsc
   - MarshallOfSound
+  - miniak
   - nitsakh
   - nornagon
   - zcbenz

.gitignore

@@ -16,13 +16,6 @@
 *.vcxproj.user
 *.xcodeproj
 /.idea/
-/brightray/brightray.opensdf
-/brightray/brightray.sdf
-/brightray/brightray.sln
-/brightray/brightray.suo
-/brightray/brightray.v12.suo
-/brightray/brightray.vcxproj*
-/brightray/brightray.xcodeproj/
 /dist/
 /external_binaries/
 /out/
@@ -44,7 +37,7 @@
 /vendor/pyyaml
 node_modules/
 SHASUMS256.txt
-**/yarn.lock
+**/package-lock.json
 compile_commands.json
 .envrc
 
@@ -63,3 +56,9 @@ spec/.hash
 
 # Eslint Cache
 .eslintcache
+
+# Generated native addon files
+/spec/fixtures/native-addon/echo/build/
+
+# If someone runs tsc this is where stuff will end up
+ts-gen

.vsts/lint.yml

@@ -1,31 +0,0 @@
-pool:
-  vmImage: 'Ubuntu 16.04'
-
-steps:
-- bash: |
-    # "depot_tools" has to be checkout into "//third_party/depot_tools" so pylint.py can a "pylintrc" file.
-    git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git "${AGENT_BUILDDIRECTORY}/third_party/depot_tools"
-    echo "##vso[task.setvariable variable=PATH]$PATH:${AGENT_BUILDDIRECTORY}/third_party/depot_tools"
-  displayName: Setup Depot Tools
-
-- bash: |
-    chromium_revision="$(grep -A1 chromium_version DEPS | tr -d '\n' | cut -d\' -f4)"
-    buildtools_revision="$(curl -sL "https://chromium.googlesource.com/chromium/src/+/${chromium_revision}/DEPS?format=TEXT" | base64 -d | grep buildtools_revision -A1 | tr -d '\n' | cut -d\' -f4)"
-
-    git clone https://chromium.googlesource.com/chromium/buildtools "${AGENT_TEMPDIRECTORY}/buildtools"
-    (cd "${AGENT_TEMPDIRECTORY}/buildtools" && git checkout "$buildtools_revision")
-    echo "##vso[task.setvariable variable=CHROMIUM_BUILDTOOLS_PATH]$AGENT_TEMPDIRECTORY/buildtools"
-
-    download_from_google_storage --bucket chromium-gn -s "${AGENT_TEMPDIRECTORY}/buildtools/linux64/gn.sha1"
-  displayName: Download gn binary
-
-- bash: |
-    # gn.py tries to find a gclient root folder starting from the current dir.
-    # When it fails and returns "None" path, the whole script fails. Let's "fix" it.
-    touch .gclient
-    # Another option would be to checkout "buildtools" inside the Electron checkout,
-    # but then we would lint its contents (at least gn format), and it doesn't pass it.
-
-    npm install
-    npm run lint
-  displayName: Run Lint

BUILD.gn

@@ -1,18 +1,22 @@
-import("build/asar.gni")
-import("build/npm.gni")
-import("buildflags/buildflags.gni")
-import("electron_paks.gni")
-import("filenames.gni")
 import("//build/config/locales.gni")
+import("//build/config/ui.gni")
 import("//build/config/win/manifest.gni")
 import("//pdf/features.gni")
-import("//services/service_manager/public/service_manifest.gni")
+import("//printing/buildflags/buildflags.gni")
 import("//third_party/ffmpeg/ffmpeg_options.gni")
-import("//third_party/widevine/cdm/widevine.gni")
+import("//tools/generate_library_loader/generate_library_loader.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 import("//tools/v8_context_snapshot/v8_context_snapshot.gni")
-import("//v8/snapshot_toolchain.gni")
+import("//v8/gni/snapshot_toolchain.gni")
+import("build/asar.gni")
+import("build/js_wrap.gni")
+import("build/npm.gni")
+import("build/tsc.gni")
+import("buildflags/buildflags.gni")
+import("electron_paks.gni")
+import("filenames.auto.gni")
+import("filenames.gni")
 
 if (is_mac) {
   import("//build/config/mac/rules.gni")
@@ -26,6 +30,13 @@ if (is_linux) {
   pkg_config("gio_unix") {
     packages = [ "gio-unix-2.0" ]
   }
+
+  pkg_config("libnotify_config") {
+    packages = [
+      "glib-2.0",
+      "gdk-pixbuf-2.0",
+    ]
+  }
 }
 
 branding = read_file("atom/app/BRANDING.json", "json")
@@ -45,65 +56,150 @@ config("branding") {
   ]
 }
 
-npm_action("atom_browserify_sandbox") {
+# We geneate the definitions twice here, once in //electron/electron.d.ts
+# and once in $target_gen_dir
+# The one in $target_gen_dir is used for the actual TSC build later one
+# and the one in //electron/electron.d.ts is used by your IDE (vscode)
+# for typescript prompting
+npm_action("build_electron_definitions") {
+  script = "gn-typescript-definitions"
+  args = [ rebase_path("$target_gen_dir/tsc/typings/electron.d.ts") ]
+  inputs = auto_filenames.api_docs + [ "yarn.lock" ]
+
+  outputs = [
+    "$target_gen_dir/tsc/typings/electron.d.ts",
+  ]
+}
+
+npm_action("atom_browserify_sandbox_unwrapped") {
+  script = "browserify"
   deps = [
-    ":atom_js2c_copy",
+    ":build_electron_definitions",
   ]
 
-  sandbox_args = [
+  inputs = auto_filenames.sandbox_browserify_deps
+
+  outputs = [
+    "$target_gen_dir/js2c/sandbox_bundle_unwrapped.js",
+  ]
+
+  args = [
     "lib/sandboxed_renderer/init.js",
     "-r",
     "./lib/sandboxed_renderer/api/exports/electron.js:electron",
-    "-r",
-    "./lib/sandboxed_renderer/api/exports/fs.js:fs",
-    "-r",
-    "./lib/sandboxed_renderer/api/exports/os.js:os",
-    "-r",
-    "./lib/sandboxed_renderer/api/exports/path.js:path",
-    "-r",
-    "./lib/sandboxed_renderer/api/exports/child_process.js:child_process",
     "-t",
     "aliasify",
+    "-p",
+    "[",
+    "tsify",
+    "-p",
+    "tsconfig.electron.json",
+    "]",
+    "--standalone",
+    "sandboxed_preload",
+    "-o",
+    rebase_path(outputs[0]),
   ]
-
-  inputs = [
-    "lib/sandboxed_renderer/init.js",
-    "lib/sandboxed_renderer/api/exports/electron.js",
-    "lib/sandboxed_renderer/api/exports/fs.js",
-    "lib/sandboxed_renderer/api/exports/os.js",
-    "lib/sandboxed_renderer/api/exports/path.js",
-    "lib/sandboxed_renderer/api/exports/child_process.js",
-  ]
-  outputs = [
-    "$target_gen_dir/js2c/preload_bundle.js",
-  ]
-
-  script = "browserify"
-  args = sandbox_args + [
-           "-o",
-           rebase_path(outputs[0]),
-         ]
 }
 
-npm_action("atom_browserify_isolated") {
+npm_action("atom_browserify_isolated_unwrapped") {
+  script = "browserify"
   deps = [
-    ":atom_js2c_copy",
+    ":build_electron_definitions",
+  ]
+
+  inputs = auto_filenames.isolated_browserify_deps
+
+  outputs = [
+    "$target_gen_dir/js2c/isolated_bundle_unwrapped.js",
+  ]
+
+  args = [
+    "lib/isolated_renderer/init.js",
+    "-t",
+    "aliasify",
+    "-p",
+    "[",
+    "tsify",
+    "-p",
+    "tsconfig.electron.json",
+    "]",
+    "--standalone",
+    "isolated_preload",
+    "-o",
+    rebase_path(outputs[0]),
+  ]
+}
+
+npm_action("atom_browserify_content_script_unwrapped") {
+  script = "browserify"
+  deps = [
+    ":build_electron_definitions",
+  ]
+
+  inputs = auto_filenames.context_script_browserify_deps
+
+  outputs = [
+    "$target_gen_dir/js2c/content_script_bundle_unwrapped.js",
+  ]
+
+  args = [
+    "lib/content_script/init.js",
+    "-t",
+    "aliasify",
+    "-p",
+    "[",
+    "tsify",
+    "-p",
+    "tsconfig.electron.json",
+    "]",
+    "--standalone",
+    "content_script_preload",
+    "-o",
+    rebase_path(outputs[0]),
+  ]
+}
+
+js_wrap("atom_browserify_content_script") {
+  deps = [
+    ":atom_browserify_content_script_unwrapped",
   ]
 
   inputs = [
-    "lib/isolated_renderer/init.js",
+    "$target_gen_dir/js2c/content_script_bundle_unwrapped.js",
   ]
+
+  outputs = [
+    "$target_gen_dir/js2c/content_script_bundle.js",
+  ]
+}
+
+js_wrap("atom_browserify_isolated") {
+  deps = [
+    ":atom_browserify_isolated_unwrapped",
+  ]
+
+  inputs = [
+    "$target_gen_dir/js2c/isolated_bundle_unwrapped.js",
+  ]
+
   outputs = [
     "$target_gen_dir/js2c/isolated_bundle.js",
   ]
+}
 
-  script = "browserify"
-  args = inputs + [
-           "-t",
-           "aliasify",
-           "-o",
-           rebase_path(outputs[0]),
-         ]
+js_wrap("atom_browserify_sandbox") {
+  deps = [
+    ":atom_browserify_sandbox_unwrapped",
+  ]
+
+  inputs = [
+    "$target_gen_dir/js2c/sandbox_bundle_unwrapped.js",
+  ]
+
+  outputs = [
+    "$target_gen_dir/js2c/sandbox_bundle.js",
+  ]
 }
 
 copy("atom_js2c_copy") {
@@ -118,31 +214,43 @@ copy("atom_js2c_copy") {
 
 action("atom_js2c") {
   deps = [
+    ":atom_browserify_content_script",
     ":atom_browserify_isolated",
     ":atom_browserify_sandbox",
     ":atom_js2c_copy",
   ]
 
-  js2c_sources = filenames.js2c_sources
-
   browserify_sources = [
+    "$target_gen_dir/js2c/content_script_bundle.js",
     "$target_gen_dir/js2c/isolated_bundle.js",
-    "$target_gen_dir/js2c/preload_bundle.js",
+    "$target_gen_dir/js2c/sandbox_bundle.js",
   ]
 
-  inputs = js2c_sources + browserify_sources
+  sources = browserify_sources + [
+              "$target_gen_dir/js2c/asar.js",
+              "$target_gen_dir/js2c/asar_init.js",
+            ]
 
+  inputs = sources
   outputs = [
-    "$target_gen_dir/atom_natives.h",
+    "$root_gen_dir/atom_natives.cc",
   ]
 
   script = "tools/js2c.py"
   args = [ rebase_path("//third_party/electron_node") ] +
          rebase_path(outputs, root_build_dir) +
-         [ rebase_path("$target_gen_dir/js2c", root_build_dir) ]
+         rebase_path(sources, root_build_dir)
 }
 
-asar("js2asar") {
+target_gen_electron_js = "$target_gen_dir/js/electron"
+target_gen_default_app_js = "$target_gen_dir/js/default_app"
+
+typescript_build("lib_js") {
+  deps = [
+    ":build_electron_definitions",
+  ]
+  type_root = rebase_path("$target_gen_dir/tsc/electron/typings")
+
   sources = filenames.js_sources
   if (enable_desktop_capturer) {
     sources += [
@@ -156,21 +264,70 @@ asar("js2asar") {
       "lib/browser/api/views/button.js",
       "lib/browser/api/views/label-button.js",
       "lib/browser/api/views/layout-manager.js",
+      "lib/browser/api/views/md-text-button.js",
+      "lib/browser/api/views/resize-area.js",
       "lib/browser/api/views/text-field.js",
     ]
   }
+
+  output_gen_dir = target_gen_electron_js
+  output_dir_name = "lib"
+  tsconfig = "tsconfig.electron.json"
+}
+
+asar("electron_asar") {
+  deps = [
+    ":lib_js",
+  ]
+
+  root = "$target_gen_electron_js/electron/lib"
+  sources = get_target_outputs(":lib_js")
   outputs = [
     "$root_out_dir/resources/electron.asar",
   ]
-  root = "lib"
 }
 
-asar("app2asar") {
-  sources = filenames.default_app_sources
+typescript_build("default_app_js") {
+  deps = [
+    ":build_electron_definitions",
+  ]
+  type_root = rebase_path("$target_gen_dir/tsc/electron/typings")
+
+  sources = filenames.default_app_ts_sources
+
+  output_gen_dir = target_gen_default_app_js
+  output_dir_name = "default_app"
+  tsconfig = "tsconfig.default_app.json"
+}
+
+copy("default_app_static") {
+  sources = filenames.default_app_static_sources
+  outputs = [
+    "$target_gen_default_app_js/{{source}}",
+  ]
+}
+
+copy("default_app_octicon_deps") {
+  sources = filenames.default_app_octicon_sources
+  outputs = [
+    "$target_gen_default_app_js/electron/default_app/octicon/{{source_file_part}}",
+  ]
+}
+
+asar("default_app_asar") {
+  deps = [
+    ":default_app_js",
+    ":default_app_octicon_deps",
+    ":default_app_static",
+  ]
+
+  root = "$target_gen_default_app_js/electron/default_app"
+  sources = get_target_outputs(":default_app_js") +
+            get_target_outputs(":default_app_static") +
+            get_target_outputs(":default_app_octicon_deps")
   outputs = [
     "$root_out_dir/resources/default_app.asar",
   ]
-  root = "default_app"
 }
 
 grit("resources") {
@@ -181,18 +338,77 @@ grit("resources") {
     "electron_resources.pak",
   ]
 
+  # Mojo manifest overlays are generated.
+  source_is_generated = true
   grit_flags = [
     "-E",
     "target_gen_dir=" + rebase_path(target_gen_dir, root_build_dir),
   ]
 
   deps = [
-    ":electron_content_manifest_overlays",
+    ":copy_shell_devtools_discovery_page",
   ]
 
   output_dir = "$target_gen_dir"
 }
 
+copy("copy_shell_devtools_discovery_page") {
+  sources = [
+    "//content/shell/resources/shell_devtools_discovery_page.html",
+  ]
+  outputs = [
+    "$target_gen_dir/shell_devtools_discovery_page.html",
+  ]
+}
+
+if (is_linux) {
+  generate_library_loader("libnotify_loader") {
+    name = "LibNotifyLoader"
+    output_h = "libnotify_loader.h"
+    output_cc = "libnotify_loader.cc"
+    header = "<libnotify/notify.h>"
+    config = ":libnotify_config"
+
+    functions = [
+      "notify_is_initted",
+      "notify_init",
+      "notify_get_server_caps",
+      "notify_get_server_info",
+      "notify_notification_new",
+      "notify_notification_add_action",
+      "notify_notification_set_image_from_pixbuf",
+      "notify_notification_set_timeout",
+      "notify_notification_set_hint_string",
+      "notify_notification_show",
+      "notify_notification_close",
+    ]
+  }
+}
+
+source_set("manifests") {
+  sources = [
+    "//electron/atom/app/manifests.cc",
+    "//electron/atom/app/manifests.h",
+  ]
+
+  include_dirs = [ "//electron" ]
+
+  deps = [
+    "//electron/atom/common/api:mojo",
+    "//printing/buildflags",
+    "//services/proxy_resolver/public/cpp:manifest",
+    "//services/service_manager/public/cpp",
+  ]
+
+  if (enable_basic_printing) {
+    deps += [ "//components/services/pdf_compositor/public/cpp:manifest" ]
+  }
+
+  if (enable_print_preview) {
+    deps += [ "//chrome/services/printing/public/cpp:manifest" ]
+  }
+}
+
 static_library("electron_lib") {
   configs += [ "//v8:external_startup_data" ]
   configs += [ "//third_party/electron_node:node_internals" ]
@@ -201,29 +417,44 @@ static_library("electron_lib") {
 
   deps = [
     ":atom_js2c",
-    "brightray",
+    ":manifests",
+    ":resources",
+    "atom/common/api:mojo",
     "buildflags",
     "chromium_src:chrome",
     "native_mate",
-    "//base",
-    "//base:i18n",
+    "//base:base_static",
+    "//base/allocator:buildflags",
+    "//chrome/app/resources:platform_locale_settings",
     "//components/certificate_transparency",
     "//components/net_log",
     "//components/network_session_configurator/common",
     "//components/prefs",
-    "//components/printing/common",
+    "//components/spellcheck/renderer",
+    "//components/viz/host",
     "//components/viz/service",
-    "//content/public/app:both",
+    "//content/public/browser",
     "//content/public/child",
     "//content/public/common:service_names",
+    "//content/public/renderer",
+    "//content/public/utility",
+    "//device/bluetooth",
     "//gin",
+    "//media/capture/mojom:video_capture",
     "//media/mojo/interfaces",
+    "//net:extras",
     "//net:net_resources",
+    "//net:net_with_v8",
     "//ppapi/host",
     "//ppapi/proxy",
     "//ppapi/shared_impl",
-    "//printing",
+    "//printing/buildflags",
+    "//services/audio/public/mojom:constants",
+    "//services/device/public/cpp/geolocation",
+    "//services/device/public/mojom",
     "//services/proxy_resolver:lib",
+    "//services/video_capture/public/mojom:constants",
+    "//services/viz/privileged/interfaces/compositing",
     "//skia",
     "//third_party/blink/public:blink",
     "//third_party/boringssl",
@@ -232,17 +463,21 @@ static_library("electron_lib") {
     "//third_party/libyuv",
     "//third_party/webrtc_overrides:init_webrtc",
     "//third_party/widevine/cdm:headers",
+    "//ui/base/idle",
     "//ui/events:dom_keycode_converter",
     "//ui/gl",
+    "//ui/native_theme",
+    "//ui/shell_dialogs",
     "//ui/views",
     "//v8",
+    "//v8:v8_libplatform",
   ]
 
-  # TODO: this requires a visibility patch to chromium src. it would be better
-  # to use the publicly-available API, which I think is mojo-based. Once
-  # electron switches to using the public API, we can remove this from the deps
-  # list and remove the visibility patch from chromium.
-  deps += [ "//services/device/wake_lock/power_save_blocker" ]
+  public_deps = [
+    "//base",
+    "//base:i18n",
+    "//content/public/app:both",
+  ]
 
   include_dirs = [
     "chromium_src",
@@ -254,9 +489,13 @@ static_library("electron_lib") {
     "//third_party/blink/renderer",
   ]
 
-  defines = []
+  defines = [ "V8_DEPRECATION_WARNINGS" ]
   libs = []
 
+  if (is_linux) {
+    defines += [ "GDK_DISABLE_DEPRECATION_WARNINGS" ]
+  }
+
   extra_source_filters = []
   if (!is_linux) {
     extra_source_filters += [
@@ -285,8 +524,6 @@ static_library("electron_lib") {
       "*_views.cc",
       "*_views.h",
       "*\bviews/*",
-      "*/autofill_popup.cc",
-      "*/autofill_popup.h",
     ]
   }
 
@@ -295,16 +532,6 @@ static_library("electron_lib") {
   sources = filenames.lib_sources
   set_sources_assignment_filter(sources_assignment_filter)
 
-  sources += [
-    "$target_gen_dir/atom_natives.h",
-    "//extensions/browser/app_window/size_constraints.cc",
-    "//extensions/browser/app_window/size_constraints.h",
-    "//extensions/common/constants.cc",
-    "//extensions/common/constants.h",
-    "//extensions/common/url_pattern.cc",
-    "//extensions/common/url_pattern.h",
-  ]
-
   if (is_component_build) {
     defines += [ "NODE_SHARED_MODE" ]
   }
@@ -318,17 +545,14 @@ static_library("electron_lib") {
 
   if (is_mac) {
     deps += [
-      "//third_party/crashpad/crashpad/client",
+      "//components/remote_cocoa/app_shim",
       "//ui/accelerated_widget_mac",
     ]
-    include_dirs += [
-      # NOTE(nornagon): other chromium files use the full path to include
-      # crashpad; this is just here for compatibility between GN and GYP, so that
-      # the #includes can be agnostic about where crashpad is vendored.
-      "//third_party/crashpad",
+    sources += [
+      "atom/browser/ui/views/autofill_popup_view.cc",
+      "atom/browser/ui/views/autofill_popup_view.h",
     ]
     if (is_mas_build) {
-      deps -= [ "//third_party/crashpad/crashpad/client" ]
       sources += [ "atom/browser/api/atom_api_app_mas.mm" ]
       sources -= [
         "atom/browser/auto_updater_mac.mm",
@@ -353,29 +577,46 @@ static_library("electron_lib") {
   }
   if (is_linux) {
     deps += [
+      ":libnotify_loader",
       "//build/config/linux/gtk",
       "//chrome/browser/ui/libgtkui",
+      "//dbus",
       "//device/bluetooth",
+      "//third_party/breakpad:client",
       "//ui/events/devices/x11",
       "//ui/events/platform/x11",
-      "//ui/native_theme",
       "//ui/views/controls/webview",
       "//ui/wm",
     ]
     configs += [ ":gio_unix" ]
+    include_dirs += [ "//third_party/breakpad" ]
     defines += [
       # Disable warnings for g_settings_list_schemas.
       "GLIB_DISABLE_DEPRECATION_WARNINGS",
     ]
+
     sources += filenames.lib_sources_nss
   }
   if (is_win) {
-    sources += filenames.lib_sources_win
     libs += [ "dwmapi.lib" ]
+    deps += [
+      "//ui/native_theme:native_theme_browser",
+      "//ui/views/controls/webview",
+      "//ui/wm",
+      "//ui/wm/public",
+    ]
+    public_deps += [
+      "//sandbox/win:sandbox",
+      "//third_party/crashpad/crashpad/handler",
+    ]
   }
-  if (is_linux || is_win) {
-    deps += [ "//third_party/breakpad:client" ]
-    include_dirs += [ "//third_party/breakpad" ]
+
+  if ((is_mac && !is_mas_build) || is_win) {
+    sources += [
+      "atom/common/crash_reporter/crash_reporter_crashpad.cc",
+      "atom/common/crash_reporter/crash_reporter_crashpad.h",
+    ]
+    deps += [ "//third_party/crashpad/crashpad/client" ]
   }
 
   if (enable_pdf) {
@@ -391,12 +632,13 @@ static_library("electron_lib") {
 
   if (enable_osr) {
     sources += [
-      "atom/browser/api/atom_api_web_contents_osr.cc",
-      "atom/browser/osr/osr_output_device.cc",
-      "atom/browser/osr/osr_output_device.h",
+      "atom/browser/osr/osr_host_display_client.cc",
+      "atom/browser/osr/osr_host_display_client.h",
+      "atom/browser/osr/osr_host_display_client_mac.mm",
       "atom/browser/osr/osr_render_widget_host_view.cc",
       "atom/browser/osr/osr_render_widget_host_view.h",
-      "atom/browser/osr/osr_render_widget_host_view_mac.mm",
+      "atom/browser/osr/osr_video_consumer.cc",
+      "atom/browser/osr/osr_video_consumer.h",
       "atom/browser/osr/osr_view_proxy.cc",
       "atom/browser/osr/osr_view_proxy.h",
       "atom/browser/osr/osr_web_contents_view.cc",
@@ -432,23 +674,26 @@ static_library("electron_lib") {
       "atom/browser/api/views/atom_api_label_button.h",
       "atom/browser/api/views/atom_api_layout_manager.cc",
       "atom/browser/api/views/atom_api_layout_manager.h",
+      "atom/browser/api/views/atom_api_md_text_button.cc",
+      "atom/browser/api/views/atom_api_md_text_button.h",
+      "atom/browser/api/views/atom_api_resize_area.cc",
+      "atom/browser/api/views/atom_api_resize_area.h",
       "atom/browser/api/views/atom_api_text_field.cc",
       "atom/browser/api/views/atom_api_text_field.h",
     ]
   }
 
-  if (enable_pepper_flash) {
-    deps += [ "components/pepper_flash" ]
+  if (enable_basic_printing) {
+    sources += [
+      "atom/browser/printing/print_preview_message_handler.cc",
+      "atom/browser/printing/print_preview_message_handler.h",
+      "atom/renderer/printing/print_render_frame_helper_delegate.cc",
+      "atom/renderer/printing/print_render_frame_helper_delegate.h",
+    ]
   }
 
-  if (enable_widevine) {
-    sources += [
-      "//chrome/renderer/media/chrome_key_systems.cc",
-      "//chrome/renderer/media/chrome_key_systems.h",
-      "//chrome/renderer/media/chrome_key_systems_provider.cc",
-      "//chrome/renderer/media/chrome_key_systems_provider.h",
-    ]
-    deps += [ "//components/cdm/renderer" ]
+  if (enable_pepper_flash) {
+    deps += [ "components/pepper_flash" ]
   }
 }
 
@@ -548,7 +793,7 @@ if (is_mac) {
     }
     info_plist = "atom/common/resources/mac/Info.plist"
 
-    electron_version = read_file("VERSION", "trim string")
+    electron_version = read_file("ELECTRON_VERSION", "trim string")
     extra_substitutions = [
       "ATOM_BUNDLE_ID=$electron_mac_bundle_id.framework",
       "ELECTRON_VERSION=$electron_version",
@@ -558,7 +803,9 @@ if (is_mac) {
     sources = filenames.framework_sources
 
     libs = [
+      "AVFoundation.framework",
       "Carbon.framework",
+      "LocalAuthentication.framework",
       "QuartzCore.framework",
       "Quartz.framework",
       "Security.framework",
@@ -566,6 +813,11 @@ if (is_mac) {
       "ServiceManagement.framework",
       "StoreKit.framework",
     ]
+
+    if (enable_osr) {
+      libs += [ "IOSurface.framework" ]
+    }
+
     ldflags = [
       "-F",
       rebase_path("external_binaries", root_build_dir),
@@ -586,7 +838,12 @@ if (is_mac) {
     deps = [
       ":electron_framework+link",
     ]
+    if (!is_mas_build) {
+      deps += [ "//sandbox/mac:seatbelt" ]
+    }
+    defines = [ "HELPER_EXECUTABLE" ]
     sources = filenames.app_sources
+    sources += [ "atom/common/atom_constants.cc" ]
     include_dirs = [ "." ]
     info_plist = "atom/renderer/resources/mac/Info.plist"
     extra_substitutions = [ "ATOM_BUNDLE_ID=$electron_mac_bundle_id.helper" ]
@@ -594,6 +851,12 @@ if (is_mac) {
       "-rpath",
       "@executable_path/../../..",
     ]
+    if (is_component_build) {
+      ldflags += [
+        "-rpath",
+        "@executable_path/../../../../../..",
+      ]
+    }
   }
 
   bundle_data("electron_app_framework_bundle_data") {
@@ -635,14 +898,45 @@ if (is_mac) {
       "$root_out_dir/$electron_login_helper_name.app",
     ]
     outputs = [
-      "{{bundle_contents_dir}}/Library/LoginItems",
+      "{{bundle_contents_dir}}/Library/LoginItems/{{source_file_part}}",
     ]
   }
 
+  action("electron_app_lproj_dirs") {
+    outputs = []
+
+    foreach(locale, locales_as_mac_outputs) {
+      outputs += [ "$target_gen_dir/app_infoplist_strings/$locale.lproj" ]
+    }
+    script = "build/mac/make_locale_dirs.py"
+    args = rebase_path(outputs)
+  }
+
+  foreach(locale, locales_as_mac_outputs) {
+    bundle_data("electron_app_strings_${locale}_bundle_data") {
+      sources = [
+        "$target_gen_dir/app_infoplist_strings/$locale.lproj",
+      ]
+      outputs = [
+        "{{bundle_resources_dir}}/$locale.lproj",
+      ]
+      public_deps = [
+        ":electron_app_lproj_dirs",
+      ]
+    }
+  }
+  group("electron_app_strings_bundle_data") {
+    public_deps = []
+    foreach(locale, locales_as_mac_outputs) {
+      public_deps += [ ":electron_app_strings_${locale}_bundle_data" ]
+    }
+  }
+
   bundle_data("electron_app_resources") {
     public_deps = [
-      ":app2asar",
-      ":js2asar",
+      ":default_app_asar",
+      ":electron_app_strings_bundle_data",
+      ":electron_asar",
     ]
     sources = [
       "$root_out_dir/resources/default_app.asar",
@@ -657,6 +951,7 @@ if (is_mac) {
   mac_app_bundle("electron_app") {
     output_name = electron_product_name
     sources = filenames.app_sources
+    sources += [ "atom/common/atom_constants.cc" ]
     include_dirs = [ "." ]
     deps = [
       ":electron_app_framework_bundle_data",
@@ -688,12 +983,13 @@ if (is_mac) {
     sources = filenames.app_sources
     include_dirs = [ "." ]
     deps = [
-      ":app2asar",
+      ":default_app_asar",
       ":electron_app_manifest",
+      ":electron_asar",
       ":electron_lib",
-      ":js2asar",
       ":packed_resources",
       "//content:sandbox_helper_win",
+      "//electron/buildflags",
       "//ui/strings",
     ]
 
@@ -722,17 +1018,7 @@ if (is_mac) {
         # TODO: we should be generating our .rc files more like how chrome does
         "atom/browser/resources/win/atom.ico",
         "atom/browser/resources/win/atom.rc",
-        "atom/browser/resources/win/resources.h",
-      ]
-
-      deps += [
-        "//third_party/breakpad:breakpad_handler",
-        "//third_party/breakpad:breakpad_sender",
-        "//ui/native_theme:native_theme_browser",
-        "//ui/shell_dialogs",
-        "//ui/views/controls/webview",
-        "//ui/wm",
-        "//ui/wm/public",
+        "atom/browser/resources/win/resource.h",
       ]
 
       libs = [
@@ -750,6 +1036,16 @@ if (is_mac) {
         "/DELAYLOAD:api-ms-win-core-winrt-l1-1-0.dll",
         "/DELAYLOAD:api-ms-win-core-winrt-string-l1-1-0.dll",
       ]
+
+      # This is to support renaming of electron.exe. node-gyp has hard-coded
+      # executable names which it will recognise as node. This module definition
+      # file claims that the electron executable is in fact named "node.exe",
+      # which is one of the executable names that node-gyp recognizes.
+      # See https://github.com/nodejs/node-gyp/commit/52ceec3a6d15de3a8f385f43dbe5ecf5456ad07a
+      ldflags += [ "/DEF:" + rebase_path("build/electron.def", root_build_dir) ]
+      inputs = [
+        "build/electron.def",
+      ]
     }
     if (is_linux) {
       ldflags = [ "-pie" ]
@@ -761,72 +1057,6 @@ if (is_mac) {
   }
 }
 
-group("electron_tests") {
-  testonly = true
-
-  deps = [
-    ":chromium_browsertests",
-    ":chromium_unittests",
-  ]
-}
-
-group("chromium_unittests") {
-  testonly = true
-
-  deps = [
-    "//base:base_unittests",
-    "//cc:cc_unittests",
-    "//content/test:content_unittests",
-    "//crypto:crypto_unittests",
-    "//device:device_unittests",
-    "//gin:gin_unittests",
-    "//gpu:gpu_unittests",
-    "//ipc:ipc_tests",
-    "//media:media_unittests",
-    "//media/capture:capture_unittests",
-    "//media/midi:midi_unittests",
-    "//media/mojo:media_mojo_unittests",
-    "//mojo:mojo_unittests",
-    "//net:net_unittests",
-    "//ppapi:ppapi_unittests",
-    "//printing:printing_unittests",
-    "//skia:skia_unittests",
-    "//sql:sql_unittests",
-    "//storage:storage_unittests",
-    "//third_party/angle/src/tests:angle_unittests",
-    "//third_party/blink/public:all_blink",
-    "//third_party/blink/public:test_support",
-    "//third_party/leveldatabase:env_chromium_unittests",
-    "//ui/base:ui_base_unittests",
-    "//ui/compositor:compositor_unittests",
-    "//ui/display:display_unittests",
-    "//ui/events:events_unittests",
-    "//ui/gl:gl_unittests",
-    "//url:url_unittests",
-    "//url/ipc:url_ipc_unittests",
-    "//v8/test/unittests:unittests",
-  ]
-
-  if (is_linux) {
-    deps += [
-      "//net:disk_cache_memory_test",
-      "//sandbox/linux:sandbox_linux_unittests",
-    ]
-
-    if (use_dbus) {
-      deps += [ "//dbus:dbus_unittests" ]
-    }
-  }
-}
-
-group("chromium_browsertests") {
-  testonly = true
-
-  deps = [
-    "//content/test:content_browsertests",
-  ]
-}
-
 template("dist_zip") {
   _runtime_deps_target = "${target_name}__deps"
   _runtime_deps_file =
@@ -839,6 +1069,7 @@ template("dist_zip") {
                              "deps",
                              "data_deps",
                              "data",
+                             "testonly",
                            ])
     write_runtime_deps = _runtime_deps_file
   }
@@ -848,7 +1079,11 @@ template("dist_zip") {
     deps = [
       ":$_runtime_deps_target",
     ]
-    forward_variables_from(invoker, [ "outputs" ])
+    forward_variables_from(invoker,
+                           [
+                             "outputs",
+                             "testonly",
+                           ])
     args = rebase_path(outputs + [ _runtime_deps_file ], root_build_dir) + [
              target_cpu,
              target_os,
@@ -885,7 +1120,7 @@ group("licenses") {
 
 copy("electron_version") {
   sources = [
-    "VERSION",
+    "ELECTRON_VERSION",
   ]
   outputs = [
     "$root_build_dir/version",
@@ -898,6 +1133,9 @@ dist_zip("electron_dist_zip") {
     ":licenses",
     ":electron_version",
   ]
+  if (is_linux) {
+    data_deps += [ "//sandbox/linux:chrome_sandbox" ]
+  }
   outputs = [
     "$root_build_dir/dist.zip",
   ]
@@ -913,6 +1151,7 @@ dist_zip("electron_ffmpeg_zip") {
 }
 
 dist_zip("electron_chromedriver_zip") {
+  testonly = true
   data_deps = [
     "//chrome/test/chromedriver",
     ":licenses",
@@ -925,6 +1164,7 @@ dist_zip("electron_chromedriver_zip") {
 dist_zip("electron_mksnapshot_zip") {
   data_deps = [
     "//v8:mksnapshot($v8_snapshot_toolchain)",
+    "//tools/v8_context_snapshot:v8_context_snapshot_generator",
     ":licenses",
   ]
   outputs = [
@@ -933,23 +1173,7 @@ dist_zip("electron_mksnapshot_zip") {
 }
 
 group("electron") {
-  deps = [
+  public_deps = [
     ":electron_app",
   ]
 }
-
-group("electron_content_manifest_overlays") {
-  deps = [
-    ":electron_content_browser_manifest_overlay",
-    ":electron_content_packaged_services_manifest_overlay",
-  ]
-}
-
-service_manifest("electron_content_packaged_services_manifest_overlay") {
-  source = "//electron/manifests/electron_content_packaged_services_manifest_overlay.json"
-  packaged_services = [ "//services/proxy_resolver:proxy_resolver_manifest" ]
-}
-
-service_manifest("electron_content_browser_manifest_overlay") {
-  source = "//electron/manifests/electron_content_browser_manifest_overlay.json"
-}

DEPS

@@ -10,9 +10,9 @@ gclient_gn_args = [
 
 vars = {
   'chromium_version':
-    '69.0.3497.106',
+    '76.0.3809.26',
   'node_version':
-    '5654c276d0497ff9a0bb0d7550b9073b2e2e7d3f',
+    '229bd3245b2f54c12ea9ad0abcadbc209f8023dc',
 
   'boto_version': 'f7574aa6cc2c819430c1f05e9a1a1a666ef8169b',
   'pyyaml_version': '3.12',
@@ -24,9 +24,22 @@ vars = {
   'requests_git': 'https://github.com/kennethreitz',
   'yaml_git': 'https://github.com/yaml',
 
+  # KEEP IN SYNC WITH spec-runner FILE
+  'yarn_version': '1.15.2',
+
+  # To be able to build clean Chromium from sources.
+  'apply_patches': True,
+
   # Python interface to Amazon Web Services. Is used for releases only.
   'checkout_boto': False,
 
+  # To allow in-house builds to checkout those manually.
+  'checkout_chromium': True,
+  'checkout_node': True,
+
+  # It's only needed to parse the native tests configurations.
+  'checkout_pyyaml': False,
+
   # Python "requests" module is used for releases only.
   'checkout_requests': False,
 
@@ -49,12 +62,18 @@ vars = {
 }
 
 deps = {
-  'src':
-    (Var("chromium_git")) + '/chromium/src.git@' + (Var("chromium_version")),
-  'src/third_party/electron_node':
-    (Var("electron_git")) + '/node.git@' + (Var("node_version")),
-  'src/electron/vendor/pyyaml':
-    (Var("yaml_git")) + '/pyyaml.git@' + (Var("pyyaml_version")),
+  'src': {
+    'url': (Var("chromium_git")) + '/chromium/src.git@' + (Var("chromium_version")),
+    'condition': 'checkout_chromium',
+  },
+  'src/third_party/electron_node': {
+    'url': (Var("electron_git")) + '/node.git@' + (Var("node_version")),
+    'condition': 'checkout_node',
+  },
+  'src/electron/vendor/pyyaml': {
+    'url': (Var("yaml_git")) + '/pyyaml.git@' + (Var("pyyaml_version")),
+    'condition': 'checkout_pyyaml',
+  },
   'src/electron/vendor/boto': {
     'url': Var('boto_git') + '/boto.git' + '@' +  Var('boto_version'),
     'condition': 'checkout_boto',
@@ -68,12 +87,12 @@ deps = {
 hooks = [
   {
     'name': 'patch_chromium',
+    'condition': 'checkout_chromium and apply_patches',
     'pattern': 'src/electron',
     'action': [
       'python',
-      'src/electron/script/apply-patches',
-      '--project-root=.',
-      '--commit',
+      'src/electron/script/apply_all_patches.py',
+      'src/electron/patches/common/config.json',
     ],
   },
   {
@@ -83,8 +102,6 @@ hooks = [
     'action': [
       'python',
       'src/electron/script/update-external-binaries.py',
-      '--root-url=http://github.com/electron/electron-frameworks/releases/download',
-      '--version=v1.4.0',
     ],
   },
   {
@@ -93,7 +110,7 @@ hooks = [
     'action': [
       'python',
       '-c',
-      'import os; os.chdir("src"); os.chdir("electron"); os.system("npm install")',
+      'import os, subprocess; os.chdir(os.path.join("src", "electron")); subprocess.check_call(["python", "script/lib/npx.py", "yarn@' + (Var("yarn_version")) + '", "install", "--frozen-lockfile"]);',
     ],
   },
   {
@@ -103,7 +120,7 @@ hooks = [
     'action': [
       'python',
       '-c',
-      'import os; os.chdir("src"); os.chdir("electron"); os.chdir("vendor"); os.chdir("boto"); os.system("python setup.py build");',
+      'import os, subprocess; os.chdir(os.path.join("src", "electron", "vendor", "boto")); subprocess.check_call(["python", "setup.py", "build"]);',
     ],
   },
   {
@@ -113,9 +130,9 @@ hooks = [
     'action': [
       'python',
       '-c',
-      'import os; os.chdir("src"); os.chdir("electron"); os.chdir("vendor"); os.chdir("requests"); os.system("python setup.py build");',
+      'import os, subprocess; os.chdir(os.path.join("src", "electron", "vendor", "requests")); subprocess.check_call(["python", "setup.py", "build"]);',
     ],
-  }
+  },
 ]
 
 recursedeps = [

Dockerfile

@@ -16,7 +16,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
     locales \
     lsb-release \
     nano \
-    python-dbusmock \
+    python-dbus \
     python-pip \
     python-setuptools \
     sudo \
@@ -33,6 +33,9 @@ RUN curl -sL https://deb.nodesource.com/setup_10.x | bash - \
 # crcmod is required by gsutil, which is used for filling the gclient git cache
 RUN pip install -U crcmod
 
+# dbusmock is needed for Electron tests
+RUN pip install python-dbusmock
+
 RUN mkdir /tmp/workspace
 RUN chown builduser:builduser /tmp/workspace
 

ELECTRON_VERSION

@@ -0,0 +1 @@
+6.0.0-beta.9

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2013-2018 GitHub Inc.
+Copyright (c) 2013-2019 GitHub Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

README.md

@@ -3,10 +3,11 @@
 
 [![CircleCI Build Status](https://circleci.com/gh/electron/electron/tree/master.svg?style=shield)](https://circleci.com/gh/electron/electron/tree/master)
 [![AppVeyor Build Status](https://windows-ci.electronjs.org/api/projects/status/nilyf07hcef14dvj/branch/master?svg=true)](https://windows-ci.electronjs.org/project/AppVeyor/electron/branch/master)
+[![Azure Pipelines Build Status](https://github.visualstudio.com/electron/_apis/build/status/electron-builds/electron-osx-testing?branchName=master)](https://github.visualstudio.com/electron/_build/latest?definitionId=36)
 [![devDependency Status](https://david-dm.org/electron/electron/dev-status.svg)](https://david-dm.org/electron/electron?type=dev)
 [![Join the Electron Community on Slack](https://atom-slack.herokuapp.com/badge.svg)](https://atom-slack.herokuapp.com/)
 
-:memo: Available Translations: 🇨🇳 🇹🇼 🇧🇷 🇪🇸 🇰🇷 🇯🇵 🇷🇺 🇫🇷 🇹🇭 🇳🇱 🇹🇷 🇮🇩 🇺🇦 🇨🇿 🇮🇹.
+:memo: Available Translations: 🇨🇳 🇹🇼 🇧🇷 🇪🇸 🇰🇷 🇯🇵 🇷🇺 🇫🇷 🇹🇭 🇳🇱 🇹🇷 🇮🇩 🇺🇦 🇨🇿 🇮🇹 🇵🇱.
 View these docs in other languages at [electron/i18n](https://github.com/electron/i18n/tree/master/content/).
 
 The Electron framework lets you write cross-platform desktop applications

VERSION

@@ -1 +0,0 @@
-4.0.0-nightly.20181010

appveyor.yml

@@ -1,10 +1,35 @@
+# The config expects the following environment variables to be set:
+#  - "GN_CONFIG" Build type. One of {'debug', 'testing', 'release'}.
+#  - "GN_EXTRA_ARGS" Additional gn arguments for a build config,
+#      e.g. 'target_cpu="x86"' to build for a 32bit platform.
+#      https://gn.googlesource.com/gn/+/master/docs/reference.md#target_cpu
+#      Don't forget to set up "NPM_CONFIG_ARCH" and "TARGET_ARCH" accordningly
+#      if you pass a custom value for 'target_cpu'.
+#  - "ELECTRON_RELEASE" Set it to '1' upload binaries on success.
+#  - "NPM_CONFIG_ARCH" E.g. 'x86'. Is used to build native Node.js modules.
+#      Must match 'target_cpu' passed to "GN_EXTRA_ARGS" and "TARGET_ARCH" value.
+#  - "TARGET_ARCH" Choose from {'ia32', 'x64', 'arm', 'arm64', 'mips64el'}.
+#      Is used in some publishing scripts, but does NOT affect the Electron binary.
+#      Must match 'target_cpu' passed to "GN_EXTRA_ARGS" and "NPM_CONFIG_ARCH" value.
+#  - "UPLOAD_TO_S3" Set it to '1' upload a release to the S3 bucket.
+#      Otherwise the release will be uploaded to the Github Releases.
+#      (The value is only checked if "ELECTRON_RELEASE" is defined.)
+#
+# The publishing scripts expect access tokens to be defined as env vars,
+# but those are not covered here.
+#
+# AppVeyor docs on variables:
+# https://www.appveyor.com/docs/environment-variables/
+# https://www.appveyor.com/docs/build-configuration/#secure-variables
+# https://www.appveyor.com/docs/build-configuration/#custom-environment-variables
+
 version: 1.0.{build}
 build_cloud: libcc-20
-image: libcc-20-vs2017-15.7.4
+image: libcc-20-vs2017-15.9
 environment:
   GIT_CACHE_PATH: C:\Users\electron\libcc_cache
-  DISABLE_CRASH_REPORTER_TESTS: true
   ELECTRON_OUT_DIR: Default
+  ELECTRON_ENABLE_STACK_DUMPING: 1
 build_script:
   - ps: >-
       if(($env:APPVEYOR_PULL_REQUEST_HEAD_REPO_NAME -split "/")[0] -eq ($env:APPVEYOR_REPO_NAME -split "/")[0]) {
@@ -13,7 +38,7 @@ build_script:
   - echo "Building $env:GN_CONFIG build"
   - git config --global core.longpaths true
   - cd ..
-  - md src
+  - ps: if (Test-Path src\electron) { Remove-Item src\electron -Recurse }
   - ps: Move-Item $env:APPVEYOR_BUILD_FOLDER -Destination src\electron
   - ps: $env:CHROMIUM_BUILDTOOLS_PATH="$pwd\src\buildtools"
   - ps: $env:SCCACHE_PATH="$pwd\src\electron\external_binaries\sccache.exe"
@@ -27,9 +52,14 @@ build_script:
       --unmanaged
       %GCLIENT_EXTRA_ARGS%
       "https://github.com/electron/electron"
-  - gclient sync --with_branch_heads --with_tags
+  - gclient sync --with_branch_heads --with_tags --reset
   - cd src
-  - gn gen out/Default "--args=import(\"//electron/build/args/%GN_CONFIG%.gn\") %GN_EXTRA_ARGS%"
+  - ps: $env:BUILD_CONFIG_PATH="//electron/build/args/%GN_CONFIG%.gn"
+  - gn gen out/Default "--args=import(\"%BUILD_CONFIG_PATH%\") %GN_EXTRA_ARGS%"
+  - gn check out/Default //electron:electron_lib
+  - gn check out/Default //electron:electron_app
+  - gn check out/Default //electron:manifests
+  - gn check out/Default //electron/atom/common/api:mojo
   - ninja -C out/Default electron:electron_app
   - gn gen out/ffmpeg "--args=import(\"//electron/build/args/ffmpeg.gn\") %GN_EXTRA_ARGS%"
   - ninja -C out/ffmpeg electron:electron_ffmpeg_zip
@@ -44,18 +74,19 @@ build_script:
       if ($env:GN_CONFIG -eq 'release') {
         ninja -C out/Default third_party/breakpad:dump_syms
       }
-  - if "%GN_CONFIG%"=="release" ( python electron\script\dump-symbols.py -d %cd%\out\Default\electron.breakpad.syms -v)
+  - if "%GN_CONFIG%"=="release" ( python electron\script\dump-symbols.py -d %cd%\out\Default\breakpad_symbols -v)
   - ps: >-
       if ($env:GN_CONFIG -eq 'release') {
         python electron\script\zip-symbols.py
         appveyor PushArtifact out/Default/symbols.zip
       }
 test_script:
+  # Workaround for https://github.com/appveyor/ci/issues/2420
+  - set "PATH=%PATH%;C:\Program Files\Git\mingw64\libexec\git-core"
   - ps: >-
       if ((-Not (Test-Path Env:\ELECTRON_RELEASE)) -And ($env:GN_CONFIG -in "testing", "release")) {
         $env:RUN_TESTS="true"
       }
-  - if "%RUN_TESTS%"=="true" ( echo Verifying non proprietary ffmpeg & python electron\script\verify-ffmpeg.py --build-dir out\Default --source-root %cd% --ffmpeg-path out\ffmpeg )
   - ps: >-
       if ($env:RUN_TESTS -eq 'true') {
         New-Item .\out\Default\gen\node_headers\Release -Type directory
@@ -64,8 +95,12 @@ test_script:
         echo "Skipping tests for $env:GN_CONFIG build"
       }
   - cd electron
-  - if "%RUN_TESTS%"=="true" ( echo Running test suite & npm run test -- --ci )
+  - if "%RUN_TESTS%"=="true" ( echo Running test suite & npm run test -- --ci --enable-logging)
   - cd ..
+  - if "%RUN_TESTS%"=="true" ( echo Verifying non proprietary ffmpeg & python electron\script\verify-ffmpeg.py --build-dir out\Default --source-root %cd% --ffmpeg-path out\ffmpeg )
+  - echo "About to verify mksnapshot"
+  - if "%RUN_TESTS%"=="true" ( echo Verifying mksnapshot & python electron\script\verify-mksnapshot.py --build-dir out\Default --source-root %cd% )
+  - echo "Done verifying mksnapshot"
 deploy_script:
   - cd electron
   - ps: >-

atom/app/atom_content_client.cc

@@ -7,8 +7,6 @@
 #include <string>
 #include <vector>
 
-#include "atom/common/atom_version.h"
-#include "atom/common/chrome_version.h"
 #include "atom/common/options_switches.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
@@ -17,10 +15,10 @@
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/pepper_plugin_info.h"
-#include "content/public/common/user_agent.h"
 #include "electron/buildflags/buildflags.h"
 #include "ppapi/shared_impl/ppapi_permissions.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
 #include "url/url_constants.h"
 // In SHARED_INTERMEDIATE_DIR.
 #include "widevine_cdm_version.h"  // NOLINT(build/include)
@@ -179,33 +177,53 @@ AtomContentClient::AtomContentClient() {}
 
 AtomContentClient::~AtomContentClient() {}
 
-std::string AtomContentClient::GetProduct() const {
-  return "Chrome/" CHROME_VERSION_STRING;
-}
-
-std::string AtomContentClient::GetUserAgent() const {
-  return content::BuildUserAgentFromProduct("Chrome/" CHROME_VERSION_STRING
-                                            " " ATOM_PRODUCT_NAME
-                                            "/" ATOM_VERSION_STRING);
-}
-
 base::string16 AtomContentClient::GetLocalizedString(int message_id) const {
   return l10n_util::GetStringUTF16(message_id);
 }
 
-void AtomContentClient::AddAdditionalSchemes(Schemes* schemes) {
-  schemes->standard_schemes.push_back("chrome-extension");
+base::StringPiece AtomContentClient::GetDataResource(
+    int resource_id,
+    ui::ScaleFactor scale_factor) const {
+  return ui::ResourceBundle::GetSharedInstance().GetRawDataResourceForScale(
+      resource_id, scale_factor);
+}
 
+gfx::Image& AtomContentClient::GetNativeImageNamed(int resource_id) const {
+  return ui::ResourceBundle::GetSharedInstance().GetNativeImageNamed(
+      resource_id);
+}
+
+base::RefCountedMemory* AtomContentClient::GetDataResourceBytes(
+    int resource_id) const {
+  return ui::ResourceBundle::GetSharedInstance().LoadDataResourceBytes(
+      resource_id);
+}
+
+void AtomContentClient::AddAdditionalSchemes(Schemes* schemes) {
   std::vector<std::string> splited;
   ConvertStringWithSeparatorToVector(&splited, ",",
-                                     switches::kRegisterServiceWorkerSchemes);
+                                     switches::kServiceWorkerSchemes);
   for (const std::string& scheme : splited)
     schemes->service_worker_schemes.push_back(scheme);
   schemes->service_worker_schemes.push_back(url::kFileScheme);
 
+  ConvertStringWithSeparatorToVector(&splited, ",", switches::kStandardSchemes);
+  for (const std::string& scheme : splited)
+    schemes->standard_schemes.push_back(scheme);
+  schemes->standard_schemes.push_back("chrome-extension");
+
   ConvertStringWithSeparatorToVector(&splited, ",", switches::kSecureSchemes);
   for (const std::string& scheme : splited)
     schemes->secure_schemes.push_back(scheme);
+
+  ConvertStringWithSeparatorToVector(&splited, ",",
+                                     switches::kBypassCSPSchemes);
+  for (const std::string& scheme : splited)
+    schemes->csp_bypassing_schemes.push_back(scheme);
+
+  ConvertStringWithSeparatorToVector(&splited, ",", switches::kCORSSchemes);
+  for (const std::string& scheme : splited)
+    schemes->cors_enabled_schemes.push_back(scheme);
 }
 
 void AtomContentClient::AddPepperPlugins(
@@ -250,4 +268,8 @@ void AtomContentClient::AddContentDecryptionModules(
   }
 }
 
+bool AtomContentClient::IsDataResourceGzipped(int resource_id) const {
+  return ui::ResourceBundle::GetSharedInstance().IsGzipped(resource_id);
+}
+
 }  // namespace atom

atom/app/atom_content_client.h

@@ -9,26 +9,29 @@
 #include <string>
 #include <vector>
 
-#include "brightray/common/content_client.h"
+#include "content/public/common/content_client.h"
 
 namespace atom {
 
-class AtomContentClient : public brightray::ContentClient {
+class AtomContentClient : public content::ContentClient {
  public:
   AtomContentClient();
   ~AtomContentClient() override;
 
  protected:
   // content::ContentClient:
-  std::string GetProduct() const override;
-  std::string GetUserAgent() const override;
   base::string16 GetLocalizedString(int message_id) const override;
+  base::StringPiece GetDataResource(int resource_id,
+                                    ui::ScaleFactor) const override;
+  gfx::Image& GetNativeImageNamed(int resource_id) const override;
+  base::RefCountedMemory* GetDataResourceBytes(int resource_id) const override;
   void AddAdditionalSchemes(Schemes* schemes) override;
   void AddPepperPlugins(
       std::vector<content::PepperPluginInfo>* plugins) override;
   void AddContentDecryptionModules(
       std::vector<content::CdmInfo>* cdms,
       std::vector<media::CdmHostFilePath>* cdm_host_file_paths) override;
+  bool IsDataResourceGzipped(int resource_id) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AtomContentClient);

atom/app/atom_library_main.mm

@@ -7,11 +7,11 @@
 #include "atom/app/atom_main_delegate.h"
 #include "atom/app/node_main.h"
 #include "atom/common/atom_command_line.h"
+#include "atom/common/mac/main_application_bundle.h"
 #include "base/at_exit.h"
 #include "base/i18n/icu_util.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
-#include "brightray/common/mac/main_application_bundle.h"
 #include "content/public/app/content_main.h"
 
 int AtomMain(int argc, char* argv[]) {
@@ -28,7 +28,7 @@ int AtomInitializeICUandStartNode(int argc, char* argv[]) {
   base::AtExitManager atexit_manager;
   base::mac::ScopedNSAutoreleasePool pool;
   base::mac::SetOverrideFrameworkBundlePath(
-      brightray::MainApplicationBundlePath()
+      atom::MainApplicationBundlePath()
           .Append("Contents")
           .Append("Frameworks")
           .Append(ATOM_PRODUCT_NAME " Framework.framework"));

atom/app/atom_main.cc

@@ -4,7 +4,9 @@
 
 #include "atom/app/atom_main.h"
 
+#include <algorithm>
 #include <cstdlib>
+#include <memory>
 #include <vector>
 
 #if defined(OS_WIN)
@@ -24,26 +26,32 @@
 #include "base/win/windows_version.h"
 #include "content/public/app/sandbox_helper_win.h"
 #include "sandbox/win/src/sandbox_types.h"
-#elif defined(OS_LINUX)                   // defined(OS_WIN)
+#elif defined(OS_LINUX)  // defined(OS_WIN)
+#include <unistd.h>
+#include <cstdio>
 #include "atom/app/atom_main_delegate.h"  // NOLINT
 #include "content/public/app/content_main.h"
 #else  // defined(OS_LINUX)
+#include <mach-o/dyld.h>
+#include <unistd.h>
+#include <cstdio>
 #include "atom/app/atom_library_main.h"
 #endif  // defined(OS_MACOSX)
 
 #include "atom/app/node_main.h"
 #include "atom/common/atom_command_line.h"
+#include "atom/common/atom_constants.h"
 #include "base/at_exit.h"
 #include "base/i18n/icu_util.h"
 #include "electron/buildflags/buildflags.h"
 
-namespace {
-
-#if BUILDFLAG(ENABLE_RUN_AS_NODE)
-const char kRunAsNode[] = "ELECTRON_RUN_AS_NODE";
+#if defined(HELPER_EXECUTABLE) && !defined(MAS_BUILD)
+#include "sandbox/mac/seatbelt_exec.h"  // nogncheck
 #endif
 
-bool IsEnvSet(const char* name) {
+namespace {
+
+ALLOW_UNUSED_TYPE bool IsEnvSet(const char* name) {
 #if defined(OS_WIN)
   size_t required_size;
   getenv_s(&required_size, nullptr, 0, name);
@@ -54,9 +62,33 @@ bool IsEnvSet(const char* name) {
 #endif
 }
 
+#if defined(OS_POSIX)
+void FixStdioStreams() {
+  // libuv may mark stdin/stdout/stderr as close-on-exec, which interferes
+  // with chromium's subprocess spawning. As a workaround, we detect if these
+  // streams are closed on startup, and reopen them as /dev/null if necessary.
+  // Otherwise, an unrelated file descriptor will be assigned as stdout/stderr
+  // which may cause various errors when attempting to write to them.
+  //
+  // For details see https://github.com/libuv/libuv/issues/2062
+  struct stat st;
+  if (fstat(STDIN_FILENO, &st) < 0 && errno == EBADF)
+    ignore_result(freopen("/dev/null", "r", stdin));
+  if (fstat(STDOUT_FILENO, &st) < 0 && errno == EBADF)
+    ignore_result(freopen("/dev/null", "w", stdout));
+  if (fstat(STDERR_FILENO, &st) < 0 && errno == EBADF)
+    ignore_result(freopen("/dev/null", "w", stderr));
+}
+#endif
+
 }  // namespace
 
 #if defined(OS_WIN)
+
+namespace crash_reporter {
+extern const char kCrashpadProcess[];
+}
+
 int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
   struct Arguments {
     int argc = 0;
@@ -93,7 +125,7 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
 #endif
 
 #if BUILDFLAG(ENABLE_RUN_AS_NODE)
-  bool run_as_node = IsEnvSet(kRunAsNode);
+  bool run_as_node = IsEnvSet(atom::kRunAsNode);
 #else
   bool run_as_node = false;
 #endif
@@ -119,13 +151,11 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
   atexit([]() { OnThreadExit(nullptr, DLL_THREAD_DETACH, nullptr); });
 #endif
 
+  std::vector<char*> argv(arguments.argc);
+  std::transform(arguments.argv, arguments.argv + arguments.argc, argv.begin(),
+                 [](auto& a) { return _strdup(base::WideToUTF8(a).c_str()); });
 #if BUILDFLAG(ENABLE_RUN_AS_NODE)
   if (run_as_node) {
-    std::vector<char*> argv(arguments.argc);
-    std::transform(
-        arguments.argv, arguments.argv + arguments.argc, argv.begin(),
-        [](auto& a) { return _strdup(base::WideToUTF8(a).c_str()); });
-
     base::AtExitManager atexit_manager;
     base::i18n::InitializeICU();
     auto ret = atom::NodeMain(argv.size(), argv.data());
@@ -134,8 +164,11 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
   }
 #endif
 
-  if (IsEnvSet("ELECTRON_INTERNAL_CRASH_SERVICE")) {
-    return crash_service::Main(cmd);
+  base::CommandLine::Init(argv.size(), argv.data());
+  const base::CommandLine& cmd_line = *base::CommandLine::ForCurrentProcess();
+  if (cmd_line.GetSwitchValueASCII("type") ==
+      crash_reporter::kCrashpadProcess) {
+    return crash_service::Main(&argv);
   }
 
   if (!atom::CheckCommandLineArguments(arguments.argc, arguments.argv))
@@ -155,8 +188,10 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
 #elif defined(OS_LINUX)  // defined(OS_WIN)
 
 int main(int argc, char* argv[]) {
+  FixStdioStreams();
+
 #if BUILDFLAG(ENABLE_RUN_AS_NODE)
-  if (IsEnvSet(kRunAsNode)) {
+  if (IsEnvSet(atom::kRunAsNode)) {
     base::i18n::InitializeICU();
     base::AtExitManager atexit_manager;
     return atom::NodeMain(argc, argv);
@@ -174,12 +209,43 @@ int main(int argc, char* argv[]) {
 #else  // defined(OS_LINUX)
 
 int main(int argc, char* argv[]) {
+  FixStdioStreams();
+
 #if BUILDFLAG(ENABLE_RUN_AS_NODE)
-  if (IsEnvSet(kRunAsNode)) {
+  if (IsEnvSet(atom::kRunAsNode)) {
     return AtomInitializeICUandStartNode(argc, argv);
   }
 #endif
 
+#if defined(HELPER_EXECUTABLE) && !defined(MAS_BUILD)
+  uint32_t exec_path_size = 0;
+  int rv = _NSGetExecutablePath(NULL, &exec_path_size);
+  if (rv != -1) {
+    fprintf(stderr, "_NSGetExecutablePath: get length failed\n");
+    abort();
+  }
+
+  std::unique_ptr<char[]> exec_path(new char[exec_path_size]);
+  rv = _NSGetExecutablePath(exec_path.get(), &exec_path_size);
+  if (rv != 0) {
+    fprintf(stderr, "_NSGetExecutablePath: get path failed\n");
+    abort();
+  }
+  sandbox::SeatbeltExecServer::CreateFromArgumentsResult seatbelt =
+      sandbox::SeatbeltExecServer::CreateFromArguments(exec_path.get(), argc,
+                                                       argv);
+  if (seatbelt.sandbox_required) {
+    if (!seatbelt.server) {
+      fprintf(stderr, "Failed to create seatbelt sandbox server.\n");
+      abort();
+    }
+    if (!seatbelt.server->InitializeSandbox()) {
+      fprintf(stderr, "Failed to initialize sandbox.\n");
+      abort();
+    }
+  }
+#endif  // defined(HELPER_EXECUTABLE) && !defined(MAS_BUILD)
+
   return AtomMain(argc, argv);
 }
 

atom/app/atom_main_delegate.cc

@@ -8,10 +8,13 @@
 #include <memory>
 #include <string>
 
+#if defined(OS_LINUX)
+#include <glib.h>  // for g_setenv()
+#endif
+
 #include "atom/app/atom_content_client.h"
 #include "atom/browser/atom_browser_client.h"
 #include "atom/browser/relauncher.h"
-#include "atom/common/google_api_key.h"
 #include "atom/common/options_switches.h"
 #include "atom/renderer/atom_renderer_client.h"
 #include "atom/renderer/atom_sandboxed_renderer_client.h"
@@ -20,12 +23,17 @@
 #include "base/debug/stack_trace.h"
 #include "base/environment.h"
 #include "base/logging.h"
+#include "base/mac/bundle_locations.h"
+#include "base/path_service.h"
 #include "chrome/common/chrome_paths.h"
 #include "content/public/common/content_switches.h"
+#include "electron/buildflags/buildflags.h"
 #include "ipc/ipc_buildflags.h"
+#include "services/service_manager/embedder/switches.h"
 #include "services/service_manager/sandbox/switches.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "ui/base/ui_base_switches.h"
 
 #if BUILDFLAG(IPC_MESSAGE_LOG_ENABLED)
 #define IPC_MESSAGE_MACROS_LOG_ENABLED
@@ -39,6 +47,13 @@
 #include "atom/app/atom_main_delegate_mac.h"
 #endif
 
+#if defined(OS_WIN)
+#include "base/win/win_util.h"
+#if defined(_WIN64)
+#include "atom/common/crash_reporter/crash_reporter_win.h"
+#endif
+#endif
+
 namespace atom {
 
 namespace {
@@ -50,6 +65,25 @@ bool IsBrowserProcess(base::CommandLine* cmd) {
   return process_type.empty();
 }
 
+// Returns true if this subprocess type needs the ResourceBundle initialized
+// and resources loaded.
+bool SubprocessNeedsResourceBundle(const std::string& process_type) {
+  return
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+      // The zygote process opens the resources for the renderers.
+      process_type == service_manager::switches::kZygoteProcess ||
+#endif
+#if defined(OS_MACOSX)
+      // Mac needs them too for scrollbar related images and for sandbox
+      // profiles.
+      process_type == ::switches::kPpapiPluginProcess ||
+      process_type == ::switches::kPpapiBrokerProcess ||
+      process_type == ::switches::kGpuProcess ||
+#endif
+      process_type == ::switches::kRendererProcess ||
+      process_type == ::switches::kUtilityProcess;
+}
+
 #if defined(OS_WIN)
 void InvalidParameterHandler(const wchar_t*,
                              const wchar_t*,
@@ -62,6 +96,37 @@ void InvalidParameterHandler(const wchar_t*,
 
 }  // namespace
 
+void LoadResourceBundle(const std::string& locale) {
+  const bool initialized = ui::ResourceBundle::HasSharedInstance();
+  if (initialized)
+    ui::ResourceBundle::CleanupSharedInstance();
+
+  // Load other resource files.
+  base::FilePath pak_dir;
+#if defined(OS_MACOSX)
+  pak_dir =
+      base::mac::FrameworkBundlePath().Append(FILE_PATH_LITERAL("Resources"));
+#else
+  base::PathService::Get(base::DIR_MODULE, &pak_dir);
+#endif
+
+  ui::ResourceBundle::InitSharedInstanceWithLocale(
+      locale, nullptr, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
+  ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
+  bundle.ReloadLocaleResources(locale);
+  bundle.AddDataPackFromPath(pak_dir.Append(FILE_PATH_LITERAL("resources.pak")),
+                             ui::SCALE_FACTOR_NONE);
+#if BUILDFLAG(ENABLE_PDF_VIEWER)
+  NOTIMPLEMENTED()
+      << "Hi, whoever's fixing PDF support! Thanks! The pdf "
+         "viewer resources haven't been ported over to the GN build yet, so "
+         "you'll probably need to change this bit of code.";
+  bundle.AddDataPackFromPath(
+      pak_dir.Append(FILE_PATH_LITERAL("pdf_viewer_resources.pak")),
+      ui::GetSupportedScaleFactors()[0]);
+#endif  // BUILDFLAG(ENABLE_PDF_VIEWER)
+}
+
 AtomMainDelegate::AtomMainDelegate() {}
 
 AtomMainDelegate::~AtomMainDelegate() {}
@@ -71,6 +136,10 @@ bool AtomMainDelegate::BasicStartupComplete(int* exit_code) {
 
   logging::LoggingSettings settings;
 #if defined(OS_WIN)
+#if defined(_WIN64)
+  crash_reporter::CrashReporterWin::SetUnhandledExceptionFilter();
+#endif
+
   // On Windows the terminal returns immediately, so we add a new line to
   // prevent output in the same line as the prompt.
   if (IsBrowserProcess(command_line))
@@ -82,10 +151,12 @@ bool AtomMainDelegate::BasicStartupComplete(int* exit_code) {
   settings.lock_log = logging::LOCK_LOG_FILE;
   settings.delete_old = logging::DELETE_OLD_LOG_FILE;
 #else
-  settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
+  settings.logging_dest =
+      logging::LOG_TO_SYSTEM_DEBUG_LOG | logging::LOG_TO_STDERR;
 #endif  // defined(DEBUG)
 #else   // defined(OS_WIN)
-  settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
+  settings.logging_dest =
+      logging::LOG_TO_SYSTEM_DEBUG_LOG | logging::LOG_TO_STDERR;
 #endif  // !defined(OS_WIN)
 
   // Only enable logging when --enable-logging is specified.
@@ -101,23 +172,19 @@ bool AtomMainDelegate::BasicStartupComplete(int* exit_code) {
   // Logging with pid and timestamp.
   logging::SetLogItems(true, false, true, false);
 
-  // Enable convient stack printing.
-#if defined(DEBUG) && defined(OS_LINUX)
-  bool enable_stack_dumping = true;
-#else
-  bool enable_stack_dumping = env->HasVar("ELECTRON_ENABLE_STACK_DUMPING");
-#endif
-#if defined(ARCH_CPU_ARM_FAMILY) && defined(ARCH_CPU_32_BITS)
-  // For 32bit ARM enabling stack printing would end up crashing.
-  // https://github.com/electron/electron/pull/11230#issuecomment-363232482
-  enable_stack_dumping = false;
-#endif
-  if (enable_stack_dumping)
+  // Enable convient stack printing. This is enabled by default in non-official
+  // builds.
+  if (env->HasVar("ELECTRON_ENABLE_STACK_DUMPING"))
     base::debug::EnableInProcessStackDumping();
 
+  if (env->HasVar("ELECTRON_DISABLE_SANDBOX"))
+    command_line->AppendSwitch(service_manager::switches::kNoSandbox);
+
   chrome::RegisterPathProvider();
 
 #if defined(OS_MACOSX)
+  OverrideChildProcessPath();
+  OverrideFrameworkBundlePath();
   SetUpBundleOverrides();
 #endif
 
@@ -127,32 +194,65 @@ bool AtomMainDelegate::BasicStartupComplete(int* exit_code) {
   // Disable the ActiveVerifier, which is used by Chrome to track possible
   // bugs, but no use in Electron.
   base::win::DisableHandleVerifier();
+
+  if (IsBrowserProcess(command_line))
+    base::win::PinUser32();
 #endif
 
-  return brightray::MainDelegate::BasicStartupComplete(exit_code);
+  content_client_ = std::make_unique<AtomContentClient>();
+  SetContentClient(content_client_.get());
+
+  return false;
+}
+
+void AtomMainDelegate::PostEarlyInitialization(bool is_running_tests) {
+  std::string custom_locale;
+  ui::ResourceBundle::InitSharedInstanceWithLocale(
+      custom_locale, nullptr, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
+  auto* cmd_line = base::CommandLine::ForCurrentProcess();
+  if (cmd_line->HasSwitch(::switches::kLang)) {
+    const std::string locale = cmd_line->GetSwitchValueASCII(::switches::kLang);
+    const base::FilePath locale_file_path =
+        ui::ResourceBundle::GetSharedInstance().GetLocaleFilePath(locale, true);
+    if (!locale_file_path.empty()) {
+      custom_locale = locale;
+#if defined(OS_LINUX)
+      /* When built with USE_GLIB, libcc's GetApplicationLocaleInternal() uses
+       * glib's g_get_language_names(), which keys off of getenv("LC_ALL") */
+      g_setenv("LC_ALL", custom_locale.c_str(), TRUE);
+#endif
+    }
+  }
+
+#if defined(OS_MACOSX)
+  if (custom_locale.empty())
+    l10n_util::OverrideLocaleWithCocoaLocale();
+#endif
+
+  LoadResourceBundle(custom_locale);
+
+  AtomBrowserClient::SetApplicationLocale(
+      l10n_util::GetApplicationLocale(custom_locale));
 }
 
 void AtomMainDelegate::PreSandboxStartup() {
-  brightray::MainDelegate::PreSandboxStartup();
-
   auto* command_line = base::CommandLine::ForCurrentProcess();
 
+  std::string process_type =
+      command_line->GetSwitchValueASCII(::switches::kProcessType);
+
+  // Initialize ResourceBundle which handles files loaded from external
+  // sources. The language should have been passed in to us from the
+  // browser process as a command line flag.
+  if (SubprocessNeedsResourceBundle(process_type)) {
+    std::string locale = command_line->GetSwitchValueASCII(::switches::kLang);
+    LoadResourceBundle(locale);
+  }
+
   // Only append arguments for browser process.
   if (!IsBrowserProcess(command_line))
     return;
 
-  if (!command_line->HasSwitch(switches::kEnableMixedSandbox)) {
-    if (command_line->HasSwitch(switches::kEnableSandbox)) {
-      // Disable setuid sandbox since it is not longer required on
-      // linux(namespace sandbox is available on most distros).
-      command_line->AppendSwitch(
-          service_manager::switches::kDisableSetuidSandbox);
-    } else {
-      // Disable renderer sandbox for most of node's functions.
-      command_line->AppendSwitch(service_manager::switches::kNoSandbox);
-    }
-  }
-
   // Allow file:// URIs to read other file:// URIs by default.
   command_line->AppendSwitch(::switches::kAllowFileAccessFromFiles);
 
@@ -162,7 +262,7 @@ void AtomMainDelegate::PreSandboxStartup() {
 #endif
 }
 
-void AtomMainDelegate::PreContentInitialization() {
+void AtomMainDelegate::PreCreateMainMessageLoop() {
 #if defined(OS_MACOSX)
   RegisterAtomCrApp();
 #endif
@@ -212,9 +312,12 @@ bool AtomMainDelegate::DelaySandboxInitialization(
 }
 #endif
 
-std::unique_ptr<brightray::ContentClient>
-AtomMainDelegate::CreateContentClient() {
-  return std::make_unique<AtomContentClient>();
+bool AtomMainDelegate::ShouldLockSchemeRegistry() {
+  return false;
+}
+
+bool AtomMainDelegate::ShouldCreateFeatureList() {
+  return false;
 }
 
 }  // namespace atom

atom/app/atom_main_delegate.h

@@ -8,12 +8,14 @@
 #include <memory>
 #include <string>
 
-#include "brightray/common/content_client.h"
-#include "brightray/common/main_delegate.h"
+#include "content/public/app/content_main_delegate.h"
+#include "content/public/common/content_client.h"
 
 namespace atom {
 
-class AtomMainDelegate : public brightray::MainDelegate {
+void LoadResourceBundle(const std::string& locale);
+
+class AtomMainDelegate : public content::ContentMainDelegate {
  public:
   AtomMainDelegate();
   ~AtomMainDelegate() override;
@@ -22,7 +24,8 @@ class AtomMainDelegate : public brightray::MainDelegate {
   // content::ContentMainDelegate:
   bool BasicStartupComplete(int* exit_code) override;
   void PreSandboxStartup() override;
-  void PreContentInitialization() override;
+  void PreCreateMainMessageLoop() override;
+  void PostEarlyInitialization(bool is_running_tests) override;
   content::ContentBrowserClient* CreateContentBrowserClient() override;
   content::ContentRendererClient* CreateContentRendererClient() override;
   content::ContentUtilityClient* CreateContentUtilityClient() override;
@@ -33,20 +36,18 @@ class AtomMainDelegate : public brightray::MainDelegate {
   bool ShouldSendMachPort(const std::string& process_type) override;
   bool DelaySandboxInitialization(const std::string& process_type) override;
 #endif
-
-  // brightray::MainDelegate:
-  std::unique_ptr<brightray::ContentClient> CreateContentClient() override;
-#if defined(OS_MACOSX)
-  void OverrideChildProcessPath() override;
-  void OverrideFrameworkBundlePath() override;
-#endif
+  bool ShouldLockSchemeRegistry() override;
+  bool ShouldCreateFeatureList() override;
 
  private:
 #if defined(OS_MACOSX)
+  void OverrideChildProcessPath();
+  void OverrideFrameworkBundlePath();
   void SetUpBundleOverrides();
 #endif
 
   std::unique_ptr<content::ContentBrowserClient> browser_client_;
+  std::unique_ptr<content::ContentClient> content_client_;
   std::unique_ptr<content::ContentRendererClient> renderer_client_;
   std::unique_ptr<content::ContentUtilityClient> utility_client_;
 

atom/app/atom_main_delegate_mac.mm

@@ -5,6 +5,8 @@
 #include "atom/app/atom_main_delegate.h"
 
 #include "atom/browser/mac/atom_application.h"
+#include "atom/common/application_info.h"
+#include "atom/common/mac/main_application_bundle.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/mac/bundle_locations.h"
@@ -12,8 +14,6 @@
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/path_service.h"
 #include "base/strings/sys_string_conversions.h"
-#include "brightray/common/application_info.h"
-#include "brightray/common/mac/main_application_bundle.h"
 #include "content/public/common/content_paths.h"
 
 namespace atom {
@@ -21,9 +21,7 @@ namespace atom {
 namespace {
 
 base::FilePath GetFrameworksPath() {
-  return brightray::MainApplicationBundlePath()
-      .Append("Contents")
-      .Append("Frameworks");
+  return MainApplicationBundlePath().Append("Contents").Append("Frameworks");
 }
 
 base::FilePath GetHelperAppPath(const base::FilePath& frameworks_path,
@@ -46,8 +44,7 @@ void AtomMainDelegate::OverrideChildProcessPath() {
   base::FilePath helper_path =
       GetHelperAppPath(frameworks_path, ATOM_PRODUCT_NAME);
   if (!base::PathExists(helper_path))
-    helper_path =
-        GetHelperAppPath(frameworks_path, brightray::GetApplicationName());
+    helper_path = GetHelperAppPath(frameworks_path, GetApplicationName());
   if (!base::PathExists(helper_path))
     LOG(FATAL) << "Unable to find helper app";
   base::PathService::Override(content::CHILD_PROCESS_EXE, helper_path);
@@ -55,7 +52,7 @@ void AtomMainDelegate::OverrideChildProcessPath() {
 
 void AtomMainDelegate::SetUpBundleOverrides() {
   base::mac::ScopedNSAutoreleasePool pool;
-  NSBundle* bundle = brightray::MainApplicationBundle();
+  NSBundle* bundle = MainApplicationBundle();
   std::string base_bundle_id =
       base::SysNSStringToUTF8([bundle bundleIdentifier]);
   NSString* team_id = [bundle objectForInfoDictionaryKey:@"ElectronTeamID"];

atom/app/manifests.cc

@@ -0,0 +1,65 @@
+// Copyright (c) 2019 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/app/manifests.h"
+
+#include "base/no_destructor.h"
+#include "electron/atom/common/api/api.mojom.h"
+#include "printing/buildflags/buildflags.h"
+#include "services/proxy_resolver/public/cpp/manifest.h"
+#include "services/service_manager/public/cpp/manifest_builder.h"
+
+#if BUILDFLAG(ENABLE_PRINTING)
+#include "components/services/pdf_compositor/public/cpp/manifest.h"
+#endif
+
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#include "chrome/services/printing/public/cpp/manifest.h"
+#endif
+
+namespace {
+
+// TODO(https://crbug.com/781334): Remove these helpers and just update the
+// manifest definitions to be marked out-of-process. This is here only to avoid
+// extra churn when transitioning away from content_packaged_services.
+service_manager::Manifest MakeOutOfProcess(
+    const service_manager::Manifest& manifest) {
+  // cpplint.py emits a false positive [build/include_what_you_use]
+  service_manager::Manifest copy(manifest);  // NOLINT
+  copy.options.execution_mode =
+      service_manager::Manifest::ExecutionMode::kOutOfProcessBuiltin;
+  return copy;
+}
+
+}  // namespace
+
+const service_manager::Manifest& GetElectronContentBrowserOverlayManifest() {
+  static base::NoDestructor<service_manager::Manifest> manifest{
+      service_manager::ManifestBuilder()
+          .WithDisplayName("Electron (browser process)")
+          .RequireCapability("device", "device:geolocation_control")
+          .RequireCapability("proxy_resolver", "factory")
+          .RequireCapability("chrome_printing", "converter")
+          .RequireCapability("pdf_compositor", "compositor")
+          .ExposeInterfaceFilterCapability_Deprecated(
+              "navigation:frame", "renderer",
+              service_manager::Manifest::InterfaceList<
+                  atom::mojom::ElectronBrowser>())
+          .Build()};
+  return *manifest;
+}
+
+const std::vector<service_manager::Manifest>&
+GetElectronBuiltinServiceManifests() {
+  static base::NoDestructor<std::vector<service_manager::Manifest>> manifests{{
+      MakeOutOfProcess(proxy_resolver::GetManifest()),
+#if BUILDFLAG(ENABLE_PRINTING)
+      MakeOutOfProcess(printing::GetPdfCompositorManifest()),
+#endif
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
+      MakeOutOfProcess(GetChromePrintingManifest()),
+#endif
+  }};
+  return *manifests;
+}

atom/app/manifests.h

@@ -0,0 +1,16 @@
+// Copyright (c) 2019 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_APP_MANIFESTS_H_
+#define ATOM_APP_MANIFESTS_H_
+
+#include <vector>
+
+#include "services/service_manager/public/cpp/manifest.h"
+
+const service_manager::Manifest& GetElectronContentBrowserOverlayManifest();
+const std::vector<service_manager::Manifest>&
+GetElectronBuiltinServiceManifests();
+
+#endif  // ATOM_APP_MANIFESTS_H_

atom/app/node_main.cc

@@ -10,20 +10,24 @@
 #include "atom/app/uv_task_runner.h"
 #include "atom/browser/javascript_environment.h"
 #include "atom/browser/node_debugger.h"
-#include "atom/common/api/atom_bindings.h"
+#include "atom/common/api/electron_bindings.h"
+#include "atom/common/atom_version.h"
 #include "atom/common/crash_reporter/crash_reporter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
 #include "atom/common/node_bindings.h"
+#include "atom/common/node_includes.h"
 #include "base/command_line.h"
 #include "base/feature_list.h"
-#include "base/task_scheduler/task_scheduler.h"
+#include "base/task/thread_pool/thread_pool.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "gin/array_buffer.h"
 #include "gin/public/isolate_holder.h"
 #include "gin/v8_initializer.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
+#if defined(_WIN64)
+#include "atom/common/crash_reporter/crash_reporter_win.h"
+#endif
 
 namespace atom {
 
@@ -48,10 +52,13 @@ int NodeMain(int argc, char* argv[]) {
     gin::V8Initializer::LoadV8Natives();
 
     // V8 requires a task scheduler apparently
-    base::TaskScheduler::CreateAndStartWithDefaultParams("Electron");
+    base::ThreadPoolInstance::CreateAndStartWithDefaultParams("Electron");
 
     // Initialize gin::IsolateHolder.
     JavascriptEnvironment gin_env(loop);
+#if defined(_WIN64)
+    crash_reporter::CrashReporterWin::SetUnhandledExceptionFilter();
+#endif
 
     // Explicitly register electron's builtin modules.
     NodeBindings::RegisterBuiltinModules();
@@ -70,15 +77,20 @@ int NodeMain(int argc, char* argv[]) {
 
     mate::Dictionary process(gin_env.isolate(), env->process_object());
 #if defined(OS_WIN)
-    process.SetMethod("log", &AtomBindings::Log);
+    process.SetMethod("log", &ElectronBindings::Log);
 #endif
-    process.SetMethod("crash", &AtomBindings::Crash);
+    process.SetMethod("crash", &ElectronBindings::Crash);
 
     // Setup process.crashReporter.start in child node processes
     auto reporter = mate::Dictionary::CreateEmpty(gin_env.isolate());
     reporter.SetMethod("start", &crash_reporter::CrashReporter::StartInstance);
     process.Set("crashReporter", reporter);
 
+    mate::Dictionary versions;
+    if (process.Get("versions", &versions)) {
+      versions.SetReadOnly(ATOM_PROJECT_NAME, ATOM_VERSION_STRING);
+    }
+
     node::LoadEnvironment(env);
 
     bool more;
@@ -96,6 +108,7 @@ int NodeMain(int argc, char* argv[]) {
       }
     } while (more == true);
 
+    node_debugger.Stop();
     exit_code = node::EmitExit(env);
     node::RunAtExit(env);
     gin_env.platform()->DrainTasks(env->isolate());
@@ -107,10 +120,10 @@ int NodeMain(int argc, char* argv[]) {
 
   // According to "src/gin/shell/gin_main.cc":
   //
-  // gin::IsolateHolder waits for tasks running in TaskScheduler in its
-  // destructor and thus must be destroyed before TaskScheduler starts skipping
+  // gin::IsolateHolder waits for tasks running in ThreadPool in its
+  // destructor and thus must be destroyed before ThreadPool starts skipping
   // CONTINUE_ON_SHUTDOWN tasks.
-  base::TaskScheduler::GetInstance()->Shutdown();
+  base::ThreadPoolInstance::Get()->Shutdown();
 
   v8::V8::Dispose();
 

atom/browser/api/atom_api_app.cc

@@ -13,8 +13,10 @@
 #include "atom/browser/api/gpuinfo_manager.h"
 #include "atom/browser/atom_browser_context.h"
 #include "atom/browser/atom_browser_main_parts.h"
+#include "atom/browser/atom_paths.h"
 #include "atom/browser/login_handler.h"
 #include "atom/browser/relauncher.h"
+#include "atom/common/application_info.h"
 #include "atom/common/atom_command_line.h"
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/file_path_converter.h"
@@ -30,14 +32,12 @@
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
-#include "base/strings/string_util.h"
-#include "base/sys_info.h"
-#include "brightray/browser/brightray_paths.h"
+#include "base/system/sys_info.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/icon_manager.h"
 #include "chrome/common/chrome_paths.h"
-#include "content/browser/gpu/compositor_util.h"
-#include "content/browser/gpu/gpu_data_manager_impl.h"
+#include "content/browser/gpu/compositor_util.h"        // nogncheck
+#include "content/browser/gpu/gpu_data_manager_impl.h"  // nogncheck
 #include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/browser/browser_child_process_host.h"
 #include "content/public/browser/child_process_data.h"
@@ -49,7 +49,6 @@
 #include "native_mate/object_template_builder.h"
 #include "net/ssl/client_cert_identity.h"
 #include "net/ssl/ssl_cert_request_info.h"
-#include "services/network/public/cpp/network_switches.h"
 #include "services/service_manager/sandbox/switches.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/image/image.h"
@@ -60,6 +59,7 @@
 #endif
 
 #if defined(OS_MACOSX)
+#include <CoreFoundation/CoreFoundation.h>
 #include "atom/browser/ui/cocoa/atom_bundle_mover.h"
 #endif
 
@@ -84,6 +84,7 @@ struct Converter<Browser::UserTask> {
       return false;
     dict.Get("arguments", &(out->arguments));
     dict.Get("description", &(out->description));
+    dict.Get("workingDirectory", &(out->working_dir));
     return true;
   }
 };
@@ -157,6 +158,7 @@ struct Converter<JumpListItem> {
 
         dict.Get("args", &(out->arguments));
         dict.Get("description", &(out->description));
+        dict.Get("workingDirectory", &(out->working_dir));
         return true;
 
       case JumpListItem::Type::SEPARATOR:
@@ -183,6 +185,7 @@ struct Converter<JumpListItem> {
         dict.Set("iconPath", val.icon_path);
         dict.Set("iconIndex", val.icon_index);
         dict.Set("description", val.description);
+        dict.Set("workingDirectory", val.working_dir);
         break;
 
       case JumpListItem::Type::SEPARATOR:
@@ -390,15 +393,15 @@ IconLoader::IconSize GetIconSizeByString(const std::string& size) {
 // Return the path constant from string.
 int GetPathConstant(const std::string& name) {
   if (name == "appData")
-    return brightray::DIR_APP_DATA;
+    return DIR_APP_DATA;
   else if (name == "userData")
-    return brightray::DIR_USER_DATA;
+    return DIR_USER_DATA;
   else if (name == "cache")
-    return brightray::DIR_CACHE;
+    return DIR_CACHE;
   else if (name == "userCache")
-    return brightray::DIR_USER_CACHE;
+    return DIR_USER_CACHE;
   else if (name == "logs")
-    return brightray::DIR_APP_LOGS;
+    return DIR_APP_LOGS;
   else if (name == "home")
     return base::DIR_HOME;
   else if (name == "temp")
@@ -529,18 +532,11 @@ int ImportIntoCertStore(CertificateManagerModel* model,
 }
 #endif
 
-void OnIconDataAvailable(v8::Isolate* isolate,
-                         const App::FileIconCallback& callback,
-                         gfx::Image* icon) {
-  v8::Locker locker(isolate);
-  v8::HandleScope handle_scope(isolate);
-
-  if (icon && !icon->IsEmpty()) {
-    callback.Run(v8::Null(isolate), *icon);
+void OnIconDataAvailable(util::Promise promise, gfx::Image icon) {
+  if (!icon.IsEmpty()) {
+    promise.Resolve(icon);
   } else {
-    v8::Local<v8::String> error_message =
-        v8::String::NewFromUtf8(isolate, "Failed to get file icon.");
-    callback.Run(v8::Exception::Error(error_message), gfx::Image());
+    promise.RejectWithErrorMessage("Failed to get file icon.");
   }
 }
 
@@ -678,8 +674,8 @@ void App::OnLogin(scoped_refptr<LoginHandler> login_handler,
   content::WebContents* web_contents = login_handler->GetWebContents();
   if (web_contents) {
     prevent_default = Emit(
-        "login", WebContents::CreateFrom(isolate(), web_contents),
-        request_details, login_handler->auth_info(),
+        "login", WebContents::FromOrCreate(isolate(), web_contents),
+        request_details, *login_handler->auth_info(),
         base::Bind(&PassLoginInformation, base::RetainedRef(login_handler)));
   }
 
@@ -692,7 +688,7 @@ bool App::CanCreateWindow(
     content::RenderFrameHost* opener,
     const GURL& opener_url,
     const GURL& opener_top_level_frame_url,
-    const GURL& source_origin,
+    const url::Origin& source_origin,
     content::mojom::WindowContainerType container_type,
     const GURL& target_url,
     const content::Referrer& referrer,
@@ -709,9 +705,12 @@ bool App::CanCreateWindow(
   content::WebContents* web_contents =
       content::WebContents::FromRenderFrameHost(opener);
   if (web_contents) {
-    auto api_web_contents = WebContents::CreateFrom(isolate(), web_contents);
-    api_web_contents->OnCreateWindow(target_url, referrer, frame_name,
-                                     disposition, additional_features, body);
+    auto api_web_contents = WebContents::From(isolate(), web_contents);
+    // No need to emit any event if the WebContents is not available in JS.
+    if (!api_web_contents.IsEmpty()) {
+      api_web_contents->OnCreateWindow(target_url, referrer, frame_name,
+                                       disposition, additional_features, body);
+    }
   }
 
   return false;
@@ -722,7 +721,7 @@ void App::AllowCertificateError(
     int cert_error,
     const net::SSLInfo& ssl_info,
     const GURL& request_url,
-    content::ResourceType resource_type,
+    bool is_main_frame_request,
     bool strict_enforcement,
     bool expired_previous_decision,
     const base::Callback<void(content::CertificateRequestResultType)>&
@@ -730,7 +729,7 @@ void App::AllowCertificateError(
   v8::Locker locker(isolate());
   v8::HandleScope handle_scope(isolate());
   bool prevent_default = Emit(
-      "certificate-error", WebContents::CreateFrom(isolate(), web_contents),
+      "certificate-error", WebContents::FromOrCreate(isolate(), web_contents),
       request_url, net::ErrorToString(cert_error), ssl_info.cert, callback);
 
   // Deny the certificate by default.
@@ -757,7 +756,7 @@ void App::SelectClientCertificate(
 
   bool prevent_default =
       Emit("select-client-certificate",
-           WebContents::CreateFrom(isolate(), web_contents),
+           WebContents::FromOrCreate(isolate(), web_contents),
            cert_request_info->host_and_port.ToString(), std::move(client_certs),
            base::Bind(&OnClientCertificateSelected, isolate(), shared_delegate,
                       shared_identities));
@@ -779,24 +778,24 @@ void App::OnGpuProcessCrashed(base::TerminationStatus status) {
 
 void App::BrowserChildProcessLaunchedAndConnected(
     const content::ChildProcessData& data) {
-  ChildProcessLaunched(data.process_type, data.handle);
+  ChildProcessLaunched(data.process_type, data.GetProcess().Handle());
 }
 
 void App::BrowserChildProcessHostDisconnected(
     const content::ChildProcessData& data) {
-  ChildProcessDisconnected(base::GetProcId(data.handle));
+  ChildProcessDisconnected(base::GetProcId(data.GetProcess().Handle()));
 }
 
 void App::BrowserChildProcessCrashed(
     const content::ChildProcessData& data,
     const content::ChildProcessTerminationInfo& info) {
-  ChildProcessDisconnected(base::GetProcId(data.handle));
+  ChildProcessDisconnected(base::GetProcId(data.GetProcess().Handle()));
 }
 
 void App::BrowserChildProcessKilled(
     const content::ChildProcessData& data,
     const content::ChildProcessTerminationInfo& info) {
-  ChildProcessDisconnected(base::GetProcId(data.handle));
+  ChildProcessDisconnected(base::GetProcId(data.GetProcess().Handle()));
 }
 
 void App::RenderProcessReady(content::RenderProcessHost* host) {
@@ -835,6 +834,26 @@ void App::SetAppPath(const base::FilePath& app_path) {
   app_path_ = app_path;
 }
 
+#if !defined(OS_MACOSX)
+void App::SetAppLogsPath(mate::Arguments* args) {
+  base::FilePath custom_path;
+  if (args->GetNext(&custom_path)) {
+    if (!custom_path.IsAbsolute()) {
+      args->ThrowError("Path must be absolute");
+      return;
+    }
+    base::PathService::Override(DIR_APP_LOGS, custom_path);
+  } else {
+    base::FilePath path;
+    if (base::PathService::Get(DIR_USER_DATA, &path)) {
+      path = path.Append(base::FilePath::FromUTF8Unsafe(GetApplicationName()));
+      path = path.Append(base::FilePath::FromUTF8Unsafe("logs"));
+      base::PathService::Override(DIR_APP_LOGS, path);
+    }
+  }
+}
+#endif
+
 base::FilePath App::GetPath(mate::Arguments* args, const std::string& name) {
   bool succeed = false;
   base::FilePath path;
@@ -874,6 +893,45 @@ std::string App::GetLocale() {
   return g_browser_process->GetApplicationLocale();
 }
 
+std::string App::GetLocaleCountryCode() {
+  std::string region;
+#if defined(OS_WIN)
+  WCHAR locale_name[LOCALE_NAME_MAX_LENGTH] = {0};
+
+  if (GetLocaleInfoEx(LOCALE_NAME_USER_DEFAULT, LOCALE_SISO3166CTRYNAME,
+                      (LPWSTR)&locale_name,
+                      sizeof(locale_name) / sizeof(WCHAR)) ||
+      GetLocaleInfoEx(LOCALE_NAME_SYSTEM_DEFAULT, LOCALE_SISO3166CTRYNAME,
+                      (LPWSTR)&locale_name,
+                      sizeof(locale_name) / sizeof(WCHAR))) {
+    base::WideToUTF8(locale_name, wcslen(locale_name), &region);
+  }
+#elif defined(OS_MACOSX)
+  CFLocaleRef locale = CFLocaleCopyCurrent();
+  CFStringRef value = CFStringRef(
+      static_cast<CFTypeRef>(CFLocaleGetValue(locale, kCFLocaleCountryCode)));
+  const CFIndex kCStringSize = 128;
+  char temporaryCString[kCStringSize] = {0};
+  CFStringGetCString(value, temporaryCString, kCStringSize,
+                     kCFStringEncodingUTF8);
+  region = temporaryCString;
+#else
+  const char* locale_ptr = setlocale(LC_TIME, NULL);
+  if (!locale_ptr)
+    locale_ptr = setlocale(LC_NUMERIC, NULL);
+  if (locale_ptr) {
+    std::string locale = locale_ptr;
+    std::string::size_type rpos = locale.find('.');
+    if (rpos != std::string::npos)
+      locale = locale.substr(0, rpos);
+    rpos = locale.find('_');
+    if (rpos != std::string::npos && rpos + 1 < locale.size())
+      region = locale.substr(rpos + 1);
+  }
+#endif
+  return region.size() == 2 ? region : std::string();
+}
+
 void App::OnSecondInstance(const base::CommandLine::StringVector& cmd,
                            const base::FilePath& cwd) {
   Emit("second-instance", cmd, cwd);
@@ -890,7 +948,7 @@ bool App::RequestSingleInstanceLock() {
     return true;
 
   base::FilePath user_dir;
-  base::PathService::Get(brightray::DIR_USER_DATA, &user_dir);
+  base::PathService::Get(DIR_USER_DATA, &user_dir);
 
   auto cb = base::Bind(&App::OnSecondInstance, base::Unretained(this));
 
@@ -976,7 +1034,14 @@ bool App::IsAccessibilitySupportEnabled() {
   return ax_state->IsAccessibleBrowser();
 }
 
-void App::SetAccessibilitySupportEnabled(bool enabled) {
+void App::SetAccessibilitySupportEnabled(bool enabled, mate::Arguments* args) {
+  if (!Browser::Get()->is_ready()) {
+    args->ThrowError(
+        "app.setAccessibilitySupportEnabled() can only be called "
+        "after app is ready");
+    return;
+  }
+
   auto* ax_state = content::BrowserAccessibilityState::GetInstance();
   if (enabled) {
     ax_state->OnScreenReaderDetected();
@@ -994,7 +1059,7 @@ Browser::LoginItemSettings App::GetLoginItemSettings(mate::Arguments* args) {
 
 #if defined(USE_NSS_CERTS)
 void App::ImportCertificate(const base::DictionaryValue& options,
-                            const net::CompletionCallback& callback) {
+                            net::CompletionRepeatingCallback callback) {
   auto browser_context = AtomBrowserContext::From("", false);
   if (!certificate_manager_model_) {
     auto copy = base::DictionaryValue::From(
@@ -1007,17 +1072,17 @@ void App::ImportCertificate(const base::DictionaryValue& options,
   }
 
   int rv = ImportIntoCertStore(certificate_manager_model_.get(), options);
-  callback.Run(rv);
+  std::move(callback).Run(rv);
 }
 
 void App::OnCertificateManagerModelCreated(
     std::unique_ptr<base::DictionaryValue> options,
-    const net::CompletionCallback& callback,
+    net::CompletionOnceCallback callback,
     std::unique_ptr<CertificateManagerModel> model) {
   certificate_manager_model_ = std::move(model);
   int rv =
       ImportIntoCertStore(certificate_manager_model_.get(), *(options.get()));
-  callback.Run(rv);
+  std::move(callback).Run(rv);
 }
 #endif
 
@@ -1077,16 +1142,14 @@ JumpListResult App::SetJumpList(v8::Local<v8::Value> val,
 }
 #endif  // defined(OS_WIN)
 
-void App::GetFileIcon(const base::FilePath& path, mate::Arguments* args) {
-  mate::Dictionary options;
-  IconLoader::IconSize icon_size;
-  FileIconCallback callback;
-
-  v8::Locker locker(isolate());
-  v8::HandleScope handle_scope(isolate());
-
+v8::Local<v8::Promise> App::GetFileIcon(const base::FilePath& path,
+                                        mate::Arguments* args) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
   base::FilePath normalized_path = path.NormalizePathSeparators();
 
+  IconLoader::IconSize icon_size;
+  mate::Dictionary options;
   if (!args->GetNext(&options)) {
     icon_size = IconLoader::IconSize::NORMAL;
   } else {
@@ -1095,26 +1158,23 @@ void App::GetFileIcon(const base::FilePath& path, mate::Arguments* args) {
     icon_size = GetIconSizeByString(icon_size_string);
   }
 
-  if (!args->GetNext(&callback)) {
-    args->ThrowError("Missing required callback function");
-    return;
-  }
-
   auto* icon_manager = AtomBrowserMainParts::Get()->GetIconManager();
   gfx::Image* icon =
       icon_manager->LookupIconFromFilepath(normalized_path, icon_size);
   if (icon) {
-    callback.Run(v8::Null(isolate()), *icon);
+    promise.Resolve(*icon);
   } else {
     icon_manager->LoadIcon(
         normalized_path, icon_size,
-        base::Bind(&OnIconDataAvailable, isolate(), callback),
+        base::BindOnce(&OnIconDataAvailable, std::move(promise)),
         &cancelable_task_tracker_);
   }
+  return handle;
 }
 
 std::vector<mate::Dictionary> App::GetAppMetrics(v8::Isolate* isolate) {
   std::vector<mate::Dictionary> result;
+  result.reserve(app_metrics_.size());
   int processor_count = base::SysInfo::NumberOfProcessors();
 
   for (const auto& process_metric : app_metrics_) {
@@ -1158,30 +1218,30 @@ v8::Local<v8::Value> App::GetGPUFeatureStatus(v8::Isolate* isolate) {
 v8::Local<v8::Promise> App::GetGPUInfo(v8::Isolate* isolate,
                                        const std::string& info_type) {
   auto* const gpu_data_manager = content::GpuDataManagerImpl::GetInstance();
-  scoped_refptr<util::Promise> promise = new util::Promise(isolate);
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
   if (info_type != "basic" && info_type != "complete") {
-    promise->RejectWithErrorMessage(
+    promise.RejectWithErrorMessage(
         "Invalid info type. Use 'basic' or 'complete'");
-    return promise->GetHandle();
+    return handle;
   }
   std::string reason;
   if (!gpu_data_manager->GpuAccessAllowed(&reason)) {
-    promise->RejectWithErrorMessage("GPU access not allowed. Reason: " +
-                                    reason);
-    return promise->GetHandle();
+    promise.RejectWithErrorMessage("GPU access not allowed. Reason: " + reason);
+    return handle;
   }
 
   auto* const info_mgr = GPUInfoManager::GetInstance();
   if (info_type == "complete") {
-#if defined(OS_WIN)
-    info_mgr->FetchCompleteInfo(promise);
+#if defined(OS_WIN) || defined(OS_MACOSX)
+    info_mgr->FetchCompleteInfo(std::move(promise));
 #else
-    info_mgr->FetchBasicInfo(promise);
+    info_mgr->FetchBasicInfo(std::move(promise));
 #endif
   } else /* (info_type == "basic") */ {
-    info_mgr->FetchBasicInfo(promise);
+    info_mgr->FetchBasicInfo(std::move(promise));
   }
-  return promise->GetHandle();
+  return handle;
 }
 
 static void RemoveNoSandboxSwitch(base::CommandLine* command_line) {
@@ -1211,17 +1271,19 @@ void App::EnableSandbox(mate::Arguments* args) {
   command_line->AppendSwitch(switches::kEnableSandbox);
 }
 
-void App::EnableMixedSandbox(mate::Arguments* args) {
-  if (Browser::Get()->is_ready()) {
-    args->ThrowError(
-        "app.enableMixedSandbox() can only be called "
-        "before app is ready");
-    return;
-  }
+void App::SetUserAgentFallback(const std::string& user_agent) {
+  AtomBrowserClient::Get()->SetUserAgent(user_agent);
+}
 
-  auto* command_line = base::CommandLine::ForCurrentProcess();
-  RemoveNoSandboxSwitch(command_line);
-  command_line->AppendSwitch(switches::kEnableMixedSandbox);
+std::string App::GetUserAgentFallback() {
+  return AtomBrowserClient::Get()->GetUserAgent();
+}
+
+void App::SetBrowserClientCanUseCustomSiteInstance(bool should_disable) {
+  AtomBrowserClient::Get()->SetCanUseCustomSiteInstance(should_disable);
+}
+bool App::CanBrowserClientUseCustomSiteInstance() {
+  return AtomBrowserClient::Get()->CanUseCustomSiteInstance();
 }
 
 #if defined(OS_MACOSX)
@@ -1232,6 +1294,46 @@ bool App::MoveToApplicationsFolder(mate::Arguments* args) {
 bool App::IsInApplicationsFolder() {
   return ui::cocoa::AtomBundleMover::IsCurrentAppInApplicationsFolder();
 }
+
+int DockBounce(const std::string& type) {
+  int request_id = -1;
+  if (type == "critical")
+    request_id = Browser::Get()->DockBounce(Browser::BOUNCE_CRITICAL);
+  else if (type == "informational")
+    request_id = Browser::Get()->DockBounce(Browser::BOUNCE_INFORMATIONAL);
+  return request_id;
+}
+
+void DockSetMenu(atom::api::Menu* menu) {
+  Browser::Get()->DockSetMenu(menu->model());
+}
+
+v8::Local<v8::Value> App::GetDockAPI(v8::Isolate* isolate) {
+  if (dock_.IsEmpty()) {
+    // Initialize the Dock API, the methods are bound to "dock" which exists
+    // for the lifetime of "app"
+    auto browser = base::Unretained(Browser::Get());
+    mate::Dictionary dock_obj = mate::Dictionary::CreateEmpty(isolate);
+    dock_obj.SetMethod("bounce", &DockBounce);
+    dock_obj.SetMethod("cancelBounce",
+                       base::Bind(&Browser::DockCancelBounce, browser));
+    dock_obj.SetMethod("downloadFinished",
+                       base::Bind(&Browser::DockDownloadFinished, browser));
+    dock_obj.SetMethod("setBadge",
+                       base::Bind(&Browser::DockSetBadgeText, browser));
+    dock_obj.SetMethod("getBadge",
+                       base::Bind(&Browser::DockGetBadgeText, browser));
+    dock_obj.SetMethod("hide", base::Bind(&Browser::DockHide, browser));
+    dock_obj.SetMethod("show", base::Bind(&Browser::DockShow, browser));
+    dock_obj.SetMethod("isVisible",
+                       base::Bind(&Browser::DockIsVisible, browser));
+    dock_obj.SetMethod("setMenu", &DockSetMenu);
+    dock_obj.SetMethod("setIcon", base::Bind(&Browser::DockSetIcon, browser));
+
+    dock_.Reset(isolate, dock_obj.GetHandle());
+  }
+  return v8::Local<v8::Value>::New(isolate, dock_);
+}
 #endif
 
 // static
@@ -1271,6 +1373,8 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getLoginItemSettings", &App::GetLoginItemSettings)
       .SetMethod("setLoginItemSettings",
                  base::Bind(&Browser::SetLoginItemSettings, browser))
+      .SetMethod("isEmojiPanelSupported",
+                 base::Bind(&Browser::IsEmojiPanelSupported, browser))
 #if defined(OS_MACOSX)
       .SetMethod("hide", base::Bind(&Browser::Hide, browser))
       .SetMethod("show", base::Bind(&Browser::Show, browser))
@@ -1282,8 +1386,22 @@ void App::BuildPrototype(v8::Isolate* isolate,
                  base::Bind(&Browser::InvalidateCurrentActivity, browser))
       .SetMethod("updateCurrentActivity",
                  base::Bind(&Browser::UpdateCurrentActivity, browser))
+      // TODO(juturu): Remove in 2.0, deprecate before then with warnings
+      .SetMethod("moveToApplicationsFolder", &App::MoveToApplicationsFolder)
+      .SetMethod("isInApplicationsFolder", &App::IsInApplicationsFolder)
+#endif
+#if defined(OS_MACOSX) || defined(OS_LINUX)
       .SetMethod("setAboutPanelOptions",
                  base::Bind(&Browser::SetAboutPanelOptions, browser))
+      .SetMethod("showAboutPanel",
+                 base::Bind(&Browser::ShowAboutPanel, browser))
+#endif
+#if defined(OS_MACOSX) || defined(OS_WIN)
+      .SetMethod("showEmojiPanel",
+                 base::Bind(&Browser::ShowEmojiPanel, browser))
+      .SetProperty("accessibilitySupportEnabled",
+                   &App::IsAccessibilitySupportEnabled,
+                   &App::SetAccessibilitySupportEnabled)
 #endif
 #if defined(OS_WIN)
       .SetMethod("setUserTasks", base::Bind(&Browser::SetUserTasks, browser))
@@ -1298,8 +1416,10 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getAppPath", &App::GetAppPath)
       .SetMethod("setPath", &App::SetPath)
       .SetMethod("getPath", &App::GetPath)
+      .SetMethod("setAppLogsPath", &App::SetAppLogsPath)
       .SetMethod("setDesktopName", &App::SetDesktopName)
       .SetMethod("getLocale", &App::GetLocale)
+      .SetMethod("getLocaleCountryCode", &App::GetLocaleCountryCode)
 #if defined(USE_NSS_CERTS)
       .SetMethod("importCertificate", &App::ImportCertificate)
 #endif
@@ -1307,9 +1427,9 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("requestSingleInstanceLock", &App::RequestSingleInstanceLock)
       .SetMethod("releaseSingleInstanceLock", &App::ReleaseSingleInstanceLock)
       .SetMethod("relaunch", &App::Relaunch)
-      .SetMethod("isAccessibilitySupportEnabled",
+      .SetMethod("_isAccessibilitySupportEnabled",
                  &App::IsAccessibilitySupportEnabled)
-      .SetMethod("setAccessibilitySupportEnabled",
+      .SetMethod("_setAccessibilitySupportEnabled",
                  &App::SetAccessibilitySupportEnabled)
       .SetMethod("disableHardwareAcceleration",
                  &App::DisableHardwareAcceleration)
@@ -1319,17 +1439,19 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getAppMetrics", &App::GetAppMetrics)
       .SetMethod("getGPUFeatureStatus", &App::GetGPUFeatureStatus)
       .SetMethod("getGPUInfo", &App::GetGPUInfo)
-// TODO(juturu): Remove in 2.0, deprecate before then with warnings
-#if defined(OS_MACOSX)
-      .SetMethod("moveToApplicationsFolder", &App::MoveToApplicationsFolder)
-      .SetMethod("isInApplicationsFolder", &App::IsInApplicationsFolder)
-#endif
 #if defined(MAS_BUILD)
       .SetMethod("startAccessingSecurityScopedResource",
                  &App::StartAccessingSecurityScopedResource)
 #endif
+#if defined(OS_MACOSX)
+      .SetProperty("dock", &App::GetDockAPI)
+#endif
+      .SetProperty("userAgentFallback", &App::GetUserAgentFallback,
+                   &App::SetUserAgentFallback)
       .SetMethod("enableSandbox", &App::EnableSandbox)
-      .SetMethod("enableMixedSandbox", &App::EnableMixedSandbox);
+      .SetProperty("allowRendererProcessReuse",
+                   &App::CanBrowserClientUseCustomSiteInstance,
+                   &App::SetBrowserClientCanUseCustomSiteInstance);
 }
 
 }  // namespace api
@@ -1338,72 +1460,18 @@ void App::BuildPrototype(v8::Isolate* isolate,
 
 namespace {
 
-void AppendSwitch(const std::string& switch_string, mate::Arguments* args) {
-  auto* command_line = base::CommandLine::ForCurrentProcess();
-
-  if (base::EndsWith(switch_string, "-path",
-                     base::CompareCase::INSENSITIVE_ASCII) ||
-      switch_string == network::switches::kLogNetLog) {
-    base::FilePath path;
-    args->GetNext(&path);
-    command_line->AppendSwitchPath(switch_string, path);
-    return;
-  }
-
-  std::string value;
-  if (args->GetNext(&value))
-    command_line->AppendSwitchASCII(switch_string, value);
-  else
-    command_line->AppendSwitch(switch_string);
-}
-
-#if defined(OS_MACOSX)
-int DockBounce(const std::string& type) {
-  int request_id = -1;
-  if (type == "critical")
-    request_id = Browser::Get()->DockBounce(Browser::BOUNCE_CRITICAL);
-  else if (type == "informational")
-    request_id = Browser::Get()->DockBounce(Browser::BOUNCE_INFORMATIONAL);
-  return request_id;
-}
-
-void DockSetMenu(atom::api::Menu* menu) {
-  Browser::Get()->DockSetMenu(menu->model());
-}
-#endif
-
 void Initialize(v8::Local<v8::Object> exports,
                 v8::Local<v8::Value> unused,
                 v8::Local<v8::Context> context,
                 void* priv) {
   v8::Isolate* isolate = context->GetIsolate();
-  auto* command_line = base::CommandLine::ForCurrentProcess();
-
   mate::Dictionary dict(isolate, exports);
-  dict.Set("App", atom::api::App::GetConstructor(isolate)->GetFunction());
+  dict.Set("App", atom::api::App::GetConstructor(isolate)
+                      ->GetFunction(context)
+                      .ToLocalChecked());
   dict.Set("app", atom::api::App::Create(isolate));
-  dict.SetMethod("appendSwitch", &AppendSwitch);
-  dict.SetMethod("appendArgument", base::Bind(&base::CommandLine::AppendArg,
-                                              base::Unretained(command_line)));
-#if defined(OS_MACOSX)
-  auto browser = base::Unretained(Browser::Get());
-  dict.SetMethod("dockBounce", &DockBounce);
-  dict.SetMethod("dockCancelBounce",
-                 base::Bind(&Browser::DockCancelBounce, browser));
-  dict.SetMethod("dockDownloadFinished",
-                 base::Bind(&Browser::DockDownloadFinished, browser));
-  dict.SetMethod("dockSetBadgeText",
-                 base::Bind(&Browser::DockSetBadgeText, browser));
-  dict.SetMethod("dockGetBadgeText",
-                 base::Bind(&Browser::DockGetBadgeText, browser));
-  dict.SetMethod("dockHide", base::Bind(&Browser::DockHide, browser));
-  dict.SetMethod("dockShow", base::Bind(&Browser::DockShow, browser));
-  dict.SetMethod("dockIsVisible", base::Bind(&Browser::DockIsVisible, browser));
-  dict.SetMethod("dockSetMenu", &DockSetMenu);
-  dict.SetMethod("dockSetIcon", base::Bind(&Browser::DockSetIcon, browser));
-#endif
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_app, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_app, Initialize)

atom/browser/api/atom_api_app.h

@@ -18,6 +18,7 @@
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/promise_util.h"
 #include "base/process/process_iterator.h"
+#include "base/process/process_metrics.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "chrome/browser/icon_manager.h"
 #include "chrome/browser/process_singleton.h"
@@ -26,7 +27,8 @@
 #include "content/public/browser/render_process_host.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/handle.h"
-#include "net/base/completion_callback.h"
+#include "net/base/completion_once_callback.h"
+#include "net/base/completion_repeating_callback.h"
 #include "net/ssl/client_cert_identity.h"
 
 #if defined(USE_NSS_CERTS)
@@ -77,7 +79,7 @@ class App : public AtomBrowserClient::Delegate,
 #if defined(USE_NSS_CERTS)
   void OnCertificateManagerModelCreated(
       std::unique_ptr<base::DictionaryValue> options,
-      const net::CompletionCallback& callback,
+      net::CompletionOnceCallback callback,
       std::unique_ptr<CertificateManagerModel> model);
 #endif
 
@@ -128,7 +130,7 @@ class App : public AtomBrowserClient::Delegate,
       int cert_error,
       const net::SSLInfo& ssl_info,
       const GURL& request_url,
-      content::ResourceType resource_type,
+      bool is_main_frame_request,
       bool strict_enforcement,
       bool expired_previous_decision,
       const base::Callback<void(content::CertificateRequestResultType)>&
@@ -141,7 +143,7 @@ class App : public AtomBrowserClient::Delegate,
   bool CanCreateWindow(content::RenderFrameHost* opener,
                        const GURL& opener_url,
                        const GURL& opener_top_level_frame_url,
-                       const GURL& source_origin,
+                       const url::Origin& source_origin,
                        content::mojom::WindowContainerType container_type,
                        const GURL& target_url,
                        const content::Referrer& referrer,
@@ -174,6 +176,8 @@ class App : public AtomBrowserClient::Delegate,
   void ChildProcessLaunched(int process_type, base::ProcessHandle handle);
   void ChildProcessDisconnected(base::ProcessId pid);
 
+  void SetAppLogsPath(mate::Arguments* args);
+
   // Get/Set the pre-defined path in PathService.
   base::FilePath GetPath(mate::Arguments* args, const std::string& name);
   void SetPath(mate::Arguments* args,
@@ -182,6 +186,7 @@ class App : public AtomBrowserClient::Delegate,
 
   void SetDesktopName(const std::string& desktop_name);
   std::string GetLocale();
+  std::string GetLocaleCountryCode();
   void OnSecondInstance(const base::CommandLine::StringVector& cmd,
                         const base::FilePath& cwd);
   bool HasSingleInstanceLock() const;
@@ -191,25 +196,32 @@ class App : public AtomBrowserClient::Delegate,
   void DisableHardwareAcceleration(mate::Arguments* args);
   void DisableDomainBlockingFor3DAPIs(mate::Arguments* args);
   bool IsAccessibilitySupportEnabled();
-  void SetAccessibilitySupportEnabled(bool enabled);
+  void SetAccessibilitySupportEnabled(bool enabled, mate::Arguments* args);
   Browser::LoginItemSettings GetLoginItemSettings(mate::Arguments* args);
 #if defined(USE_NSS_CERTS)
   void ImportCertificate(const base::DictionaryValue& options,
-                         const net::CompletionCallback& callback);
+                         net::CompletionRepeatingCallback callback);
 #endif
-  void GetFileIcon(const base::FilePath& path, mate::Arguments* args);
+  v8::Local<v8::Promise> GetFileIcon(const base::FilePath& path,
+                                     mate::Arguments* args);
 
   std::vector<mate::Dictionary> GetAppMetrics(v8::Isolate* isolate);
   v8::Local<v8::Value> GetGPUFeatureStatus(v8::Isolate* isolate);
   v8::Local<v8::Promise> GetGPUInfo(v8::Isolate* isolate,
                                     const std::string& info_type);
   void EnableSandbox(mate::Arguments* args);
-  void EnableMixedSandbox(mate::Arguments* args);
+  void SetUserAgentFallback(const std::string& user_agent);
+  std::string GetUserAgentFallback();
+  void SetBrowserClientCanUseCustomSiteInstance(bool should_disable);
+  bool CanBrowserClientUseCustomSiteInstance();
 
 #if defined(OS_MACOSX)
   bool MoveToApplicationsFolder(mate::Arguments* args);
   bool IsInApplicationsFolder();
+  v8::Local<v8::Value> GetDockAPI(v8::Isolate* isolate);
+  v8::Global<v8::Value> dock_;
 #endif
+
 #if defined(MAS_BUILD)
   base::Callback<void()> StartAccessingSecurityScopedResource(
       mate::Arguments* args);

atom/browser/api/atom_api_app_mac.mm

@@ -0,0 +1,38 @@
+// Copyright (c) 2019 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/api/atom_api_app.h"
+#include "atom/browser/atom_paths.h"
+#include "atom/common/native_mate_converters/file_path_converter.h"
+#include "base/path_service.h"
+
+#import <Cocoa/Cocoa.h>
+
+namespace atom {
+
+namespace api {
+
+void App::SetAppLogsPath(mate::Arguments* args) {
+  base::FilePath custom_path;
+  if (args->GetNext(&custom_path)) {
+    if (!custom_path.IsAbsolute()) {
+      args->ThrowError("Path must be absolute");
+      return;
+    }
+    base::PathService::Override(DIR_APP_LOGS, custom_path);
+  } else {
+    NSString* bundle_name =
+        [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"];
+    NSString* logs_path =
+        [NSString stringWithFormat:@"Library/Logs/%@", bundle_name];
+    NSString* library_path =
+        [NSHomeDirectory() stringByAppendingPathComponent:logs_path];
+    base::PathService::Override(DIR_APP_LOGS,
+                                base::FilePath([library_path UTF8String]));
+  }
+}
+
+}  // namespace atom
+
+}  // namespace api

atom/browser/api/atom_api_auto_updater.cc

@@ -64,11 +64,17 @@ void AutoUpdater::OnError(const std::string& message,
   auto errorObject =
       error->ToObject(isolate()->GetCurrentContext()).ToLocalChecked();
 
+  auto context = isolate()->GetCurrentContext();
+
   // add two new params for better error handling
-  errorObject->Set(mate::StringToV8(isolate(), "code"),
-                   v8::Integer::New(isolate(), code));
-  errorObject->Set(mate::StringToV8(isolate(), "domain"),
-                   mate::StringToV8(isolate(), domain));
+  errorObject
+      ->Set(context, mate::StringToV8(isolate(), "code"),
+            v8::Integer::New(isolate(), code))
+      .Check();
+  errorObject
+      ->Set(context, mate::StringToV8(isolate(), "domain"),
+            mate::StringToV8(isolate(), domain))
+      .Check();
 
   mate::EmitEvent(isolate(), GetWrapper(), "error", errorObject, message);
 }
@@ -147,9 +153,11 @@ void Initialize(v8::Local<v8::Object> exports,
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary dict(isolate, exports);
   dict.Set("autoUpdater", AutoUpdater::Create(isolate));
-  dict.Set("AutoUpdater", AutoUpdater::GetConstructor(isolate)->GetFunction());
+  dict.Set("AutoUpdater", AutoUpdater::GetConstructor(isolate)
+                              ->GetFunction(context)
+                              .ToLocalChecked());
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_auto_updater, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_auto_updater, Initialize)

atom/browser/api/atom_api_browser_view.cc

@@ -37,6 +37,14 @@ struct Converter<atom::AutoResizeFlags> {
     if (params.Get("height", &height) && height) {
       flags |= atom::kAutoResizeHeight;
     }
+    bool horizontal = false;
+    if (params.Get("horizontal", &horizontal) && horizontal) {
+      flags |= atom::kAutoResizeHorizontal;
+    }
+    bool vertical = false;
+    if (params.Get("vertical", &vertical) && vertical) {
+      flags |= atom::kAutoResizeVertical;
+    }
 
     *auto_resize_flags = static_cast<atom::AutoResizeFlags>(flags);
     return true;
@@ -66,6 +74,7 @@ void BrowserView::Init(v8::Isolate* isolate,
 
   web_contents_.Reset(isolate, web_contents.ToV8());
   api_web_contents_ = web_contents.get();
+  Observe(web_contents->web_contents());
 
   view_.reset(
       NativeBrowserView::Create(api_web_contents_->managed_web_contents()));
@@ -74,7 +83,16 @@ void BrowserView::Init(v8::Isolate* isolate,
 }
 
 BrowserView::~BrowserView() {
-  api_web_contents_->DestroyWebContents(true /* async */);
+  if (api_web_contents_) {  // destroy() is called
+    // Destroy WebContents asynchronously unless app is shutting down,
+    // because destroy() might be called inside WebContents's event handler.
+    api_web_contents_->DestroyWebContents(!Browser::Get()->is_shutting_down());
+  }
+}
+
+void BrowserView::WebContentsDestroyed() {
+  api_web_contents_ = nullptr;
+  web_contents_.Reset();
 }
 
 // static
@@ -149,8 +167,9 @@ void Initialize(v8::Local<v8::Object> exports,
   v8::Isolate* isolate = context->GetIsolate();
   BrowserView::SetConstructor(isolate, base::Bind(&BrowserView::New));
 
-  mate::Dictionary browser_view(
-      isolate, BrowserView::GetConstructor(isolate)->GetFunction());
+  mate::Dictionary browser_view(isolate, BrowserView::GetConstructor(isolate)
+                                             ->GetFunction(context)
+                                             .ToLocalChecked());
   browser_view.SetMethod("fromId",
                          &mate::TrackableObject<BrowserView>::FromWeakMapID);
   browser_view.SetMethod("getAllViews",
@@ -161,4 +180,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_browser_view, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_browser_view, Initialize)

atom/browser/api/atom_api_browser_view.h

@@ -10,6 +10,7 @@
 
 #include "atom/browser/api/trackable_object.h"
 #include "atom/browser/native_browser_view.h"
+#include "content/public/browser/web_contents_observer.h"
 #include "native_mate/handle.h"
 
 namespace gfx {
@@ -29,7 +30,8 @@ namespace api {
 
 class WebContents;
 
-class BrowserView : public mate::TrackableObject<BrowserView> {
+class BrowserView : public mate::TrackableObject<BrowserView>,
+                    public content::WebContentsObserver {
  public:
   static mate::WrappableBase* New(mate::Arguments* args);
 
@@ -47,6 +49,9 @@ class BrowserView : public mate::TrackableObject<BrowserView> {
               const mate::Dictionary& options);
   ~BrowserView() override;
 
+  // content::WebContentsObserver:
+  void WebContentsDestroyed() override;
+
  private:
   void Init(v8::Isolate* isolate,
             v8::Local<v8::Object> wrapper,

atom/browser/api/atom_api_browser_window.cc

@@ -15,16 +15,17 @@
 #include "atom/common/color_util.h"
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "atom/common/options_switches.h"
 #include "base/threading/thread_task_runner_handle.h"
-#include "content/browser/renderer_host/render_widget_host_impl.h"
+#include "content/browser/renderer_host/render_widget_host_impl.h"  // nogncheck
+#include "content/browser/renderer_host/render_widget_host_owner_delegate.h"  // nogncheck
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
+#include "gin/converter.h"
 #include "native_mate/dictionary.h"
 #include "ui/gl/gpu_switching_manager.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {
@@ -66,7 +67,7 @@ BrowserWindow::BrowserWindow(v8::Isolate* isolate,
   }
 
   web_contents_.Reset(isolate, web_contents.ToV8());
-  api_web_contents_ = web_contents.get();
+  api_web_contents_ = web_contents->GetWeakPtr();
   api_web_contents_->AddObserver(this);
   Observe(api_web_contents_->web_contents());
 
@@ -74,10 +75,6 @@ BrowserWindow::BrowserWindow(v8::Isolate* isolate,
   mate::Dictionary(isolate, web_contents->GetWrapper())
       .Set("browserWindowOptions", options);
 
-  // Tell the content module to initialize renderer widget with transparent
-  // mode.
-  ui::GpuSwitchingManager::SetTransparent(window()->transparent());
-
   // Associate with BrowserWindow.
   web_contents->SetOwnerWindow(window());
 
@@ -97,7 +94,9 @@ BrowserWindow::BrowserWindow(v8::Isolate* isolate,
 }
 
 BrowserWindow::~BrowserWindow() {
-  api_web_contents_->RemoveObserver(this);
+  // FIXME This is a hack rather than a proper fix preventing shutdown crashes.
+  if (api_web_contents_)
+    api_web_contents_->RemoveObserver(this);
   // Note that the OnWindowClosed will not be called after the destructor runs,
   // since the window object is managed by the TopLevelWindow class.
   if (web_contents())
@@ -133,7 +132,7 @@ void BrowserWindow::RenderViewCreated(
       render_view_host->GetProcess()->GetID(),
       render_view_host->GetRoutingID());
   if (impl)
-    impl->SetBackgroundOpaque(false);
+    impl->owner_delegate()->SetBackgroundOpaque(false);
 }
 
 void BrowserWindow::DidFirstVisuallyNonEmptyPaint() {
@@ -185,7 +184,14 @@ bool BrowserWindow::OnMessageReceived(const IPC::Message& message,
 }
 
 void BrowserWindow::OnCloseContents() {
-  DCHECK(web_contents());
+  // On some machines it may happen that the window gets destroyed for twice,
+  // checking web_contents() can effectively guard against that.
+  // https://github.com/electron/electron/issues/16202.
+  //
+  // TODO(zcbenz): We should find out the root cause and improve the closing
+  // procedure of BrowserWindow.
+  if (!web_contents())
+    return;
 
   // Close all child windows before closing current window.
   v8::Locker locker(isolate());
@@ -234,7 +240,7 @@ void BrowserWindow::OnCloseButtonClicked(bool* prevent_default) {
     return;
 
   if (web_contents()->NeedToFireBeforeUnload())
-    web_contents()->DispatchBeforeUnload();
+    web_contents()->DispatchBeforeUnload(false /* auto_cancel */);
   else
     web_contents()->Close();
 }
@@ -307,7 +313,29 @@ void BrowserWindow::SetBackgroundColor(const std::string& color_name) {
 }
 
 void BrowserWindow::SetBrowserView(v8::Local<v8::Value> value) {
-  TopLevelWindow::SetBrowserView(value);
+  TopLevelWindow::ResetBrowserViews();
+  TopLevelWindow::AddBrowserView(value);
+#if defined(OS_MACOSX)
+  UpdateDraggableRegions(nullptr, draggable_regions_);
+#endif
+}
+
+void BrowserWindow::AddBrowserView(v8::Local<v8::Value> value) {
+  TopLevelWindow::AddBrowserView(value);
+#if defined(OS_MACOSX)
+  UpdateDraggableRegions(nullptr, draggable_regions_);
+#endif
+}
+
+void BrowserWindow::RemoveBrowserView(v8::Local<v8::Value> value) {
+  TopLevelWindow::RemoveBrowserView(value);
+#if defined(OS_MACOSX)
+  UpdateDraggableRegions(nullptr, draggable_regions_);
+#endif
+}
+
+void BrowserWindow::ResetBrowserViews() {
+  TopLevelWindow::ResetBrowserViews();
 #if defined(OS_MACOSX)
   UpdateDraggableRegions(nullptr, draggable_regions_);
 #endif
@@ -315,7 +343,7 @@ void BrowserWindow::SetBrowserView(v8::Local<v8::Value> value) {
 
 void BrowserWindow::SetVibrancy(v8::Isolate* isolate,
                                 v8::Local<v8::Value> value) {
-  std::string type = mate::V8ToString(value);
+  std::string type = gin::V8ToString(isolate, value);
 
   auto* render_view_host = web_contents()->GetRenderViewHost();
   if (render_view_host) {
@@ -323,7 +351,8 @@ void BrowserWindow::SetVibrancy(v8::Isolate* isolate,
         render_view_host->GetProcess()->GetID(),
         render_view_host->GetRoutingID());
     if (impl)
-      impl->SetBackgroundOpaque(type.empty() ? !window_->transparent() : false);
+      impl->owner_delegate()->SetBackgroundOpaque(
+          type.empty() ? !window_->transparent() : false);
   }
 
   TopLevelWindow::SetVibrancy(isolate, value);
@@ -385,7 +414,9 @@ void BrowserWindow::Cleanup() {
   if (host)
     host->GetWidget()->RemoveInputEventObserver(this);
 
-  api_web_contents_->DestroyWebContents(true /* async */);
+  // Destroy WebContents asynchronously unless app is shutting down,
+  // because destroy() might be called inside WebContents's event handler.
+  api_web_contents_->DestroyWebContents(!Browser::Get()->is_shutting_down());
   Observe(nullptr);
 }
 
@@ -451,4 +482,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_window, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_window, Initialize)

atom/browser/api/atom_api_browser_window.h

@@ -72,6 +72,9 @@ class BrowserWindow : public TopLevelWindow,
   void Blur() override;
   void SetBackgroundColor(const std::string& color_name) override;
   void SetBrowserView(v8::Local<v8::Value> value) override;
+  void AddBrowserView(v8::Local<v8::Value> value) override;
+  void RemoveBrowserView(v8::Local<v8::Value> value) override;
+  void ResetBrowserViews() override;
   void SetVibrancy(v8::Isolate* isolate, v8::Local<v8::Value> value) override;
 
   // BrowserWindow APIs.
@@ -82,7 +85,7 @@ class BrowserWindow : public TopLevelWindow,
 
  private:
 #if defined(OS_MACOSX)
-  void OverrideNSWindowContentView(brightray::InspectableWebContents* iwc);
+  void OverrideNSWindowContentView(InspectableWebContents* iwc);
 #endif
 
   // Helpers.
@@ -113,7 +116,7 @@ class BrowserWindow : public TopLevelWindow,
 #endif
 
   v8::Global<v8::Value> web_contents_;
-  api::WebContents* api_web_contents_;
+  base::WeakPtr<api::WebContents> api_web_contents_;
 
   base::WeakPtrFactory<BrowserWindow> weak_factory_;
 

atom/browser/api/atom_api_browser_window_mac.mm

@@ -8,9 +8,9 @@
 
 #include "atom/browser/native_browser_view.h"
 #include "atom/browser/native_window_mac.h"
+#include "atom/browser/ui/inspectable_web_contents_view.h"
 #include "atom/common/draggable_region.h"
 #include "base/mac/scoped_nsobject.h"
-#include "brightray/browser/inspectable_web_contents_view.h"
 
 @interface NSView (WebContentsView)
 - (void)setMouseDownCanMoveWindow:(BOOL)can_move;
@@ -55,15 +55,20 @@ std::vector<gfx::Rect> CalculateNonDraggableRegions(
 
 }  // namespace
 
-void BrowserWindow::OverrideNSWindowContentView(
-    brightray::InspectableWebContents* iwc) {
+void BrowserWindow::OverrideNSWindowContentView(InspectableWebContents* iwc) {
   // Make NativeWindow use a NSView as content view.
   static_cast<NativeWindowMac*>(window())->OverrideNSWindowContentView();
   // Add webview to contentView.
-  NSView* webView = iwc->GetView()->GetNativeView();
-  NSView* contentView = [window()->GetNativeWindow() contentView];
+  NSView* webView = iwc->GetView()->GetNativeView().GetNativeNSView();
+  NSView* contentView =
+      [window()->GetNativeWindow().GetNativeNSWindow() contentView];
   [webView setFrame:[contentView bounds]];
-  [contentView addSubview:webView];
+
+  // ensure that buttons view is floated to top of view hierarchy
+  NSArray* subviews = [contentView subviews];
+  NSView* last = subviews.lastObject;
+  [contentView addSubview:webView positioned:NSWindowBelow relativeTo:last];
+
   [contentView viewDidMoveToWindow];
 }
 
@@ -76,7 +81,7 @@ void BrowserWindow::UpdateDraggableRegions(
   // All ControlRegionViews should be added as children of the WebContentsView,
   // because WebContentsView will be removed and re-added when entering and
   // leaving fullscreen mode.
-  NSView* webView = web_contents()->GetNativeView();
+  NSView* webView = web_contents()->GetNativeView().GetNativeNSView();
   NSInteger webViewWidth = NSWidth([webView bounds]);
   NSInteger webViewHeight = NSHeight([webView bounds]);
 
@@ -104,8 +109,10 @@ void BrowserWindow::UpdateDraggableRegions(
         DraggableRegionsToSkRegion(regions), webViewWidth, webViewHeight);
   }
 
-  if (window_->browser_view())
-    window_->browser_view()->UpdateDraggableRegions(drag_exclude_rects);
+  auto browser_views = window_->browser_views();
+  for (NativeBrowserView* view : browser_views) {
+    (view)->UpdateDraggableRegions(drag_exclude_rects);
+  }
 
   // Create and add a ControlRegionView for each region that needs to be
   // excluded from the dragging.

atom/browser/api/atom_api_content_tracing.cc

@@ -7,13 +7,15 @@
 
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/file_path_converter.h"
+#include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
+#include "atom/common/promise_util.h"
 #include "base/bind.h"
 #include "base/files/file_util.h"
+#include "base/threading/thread_restrictions.h"
 #include "content/public/browser/tracing_controller.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
-
 using content::TracingController;
 
 namespace mate {
@@ -23,15 +25,27 @@ struct Converter<base::trace_event::TraceConfig> {
   static bool FromV8(v8::Isolate* isolate,
                      v8::Local<v8::Value> val,
                      base::trace_event::TraceConfig* out) {
+    // (alexeykuzmin): A combination of "categoryFilter" and "traceOptions"
+    // has to be checked first because none of the fields
+    // in the `memory_dump_config` dict below are mandatory
+    // and we cannot check the config format.
     Dictionary options;
-    if (!ConvertFromV8(isolate, val, &options))
-      return false;
-    std::string category_filter, trace_options;
-    if (!options.Get("categoryFilter", &category_filter) ||
-        !options.Get("traceOptions", &trace_options))
-      return false;
-    *out = base::trace_event::TraceConfig(category_filter, trace_options);
-    return true;
+    if (ConvertFromV8(isolate, val, &options)) {
+      std::string category_filter, trace_options;
+      if (options.Get("categoryFilter", &category_filter) &&
+          options.Get("traceOptions", &trace_options)) {
+        *out = base::trace_event::TraceConfig(category_filter, trace_options);
+        return true;
+      }
+    }
+
+    base::DictionaryValue memory_dump_config;
+    if (ConvertFromV8(isolate, val, &memory_dump_config)) {
+      *out = base::trace_event::TraceConfig(memory_dump_config);
+      return true;
+    }
+
+    return false;
   }
 };
 
@@ -45,6 +59,11 @@ scoped_refptr<TracingController::TraceDataEndpoint> GetTraceDataEndpoint(
     const base::FilePath& path,
     const CompletionCallback& callback) {
   base::FilePath result_file_path = path;
+
+  // base::CreateTemporaryFile prevents blocking so we need to allow it
+  // for now since offloading this to a different sequence would require
+  // changing the api shape
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   if (result_file_path.empty() && !base::CreateTemporaryFile(&result_file_path))
     LOG(ERROR) << "Creating temporary file failed";
 
@@ -52,28 +71,76 @@ scoped_refptr<TracingController::TraceDataEndpoint> GetTraceDataEndpoint(
       result_file_path, base::Bind(callback, result_file_path));
 }
 
-void StopRecording(const base::FilePath& path,
-                   const CompletionCallback& callback) {
-  TracingController::GetInstance()->StopTracing(
-      GetTraceDataEndpoint(path, callback));
+v8::Local<v8::Promise> StopRecording(v8::Isolate* isolate,
+                                     const base::FilePath& path) {
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  // TODO(zcbenz): Remove the use of CopyablePromise when the
+  // CreateFileEndpoint API accepts OnceCallback.
+  TracingController::GetInstance()->StopTracing(GetTraceDataEndpoint(
+      path, base::Bind(atom::util::CopyablePromise::ResolveCopyablePromise<
+                           const base::FilePath&>,
+                       atom::util::CopyablePromise(promise))));
+  return handle;
+}
+
+v8::Local<v8::Promise> GetCategories(v8::Isolate* isolate) {
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  // Note: This method always succeeds.
+  TracingController::GetInstance()->GetCategories(base::BindOnce(
+      atom::util::Promise::ResolvePromise<const std::set<std::string>&>,
+      std::move(promise)));
+
+  return handle;
+}
+
+v8::Local<v8::Promise> StartTracing(
+    v8::Isolate* isolate,
+    const base::trace_event::TraceConfig& trace_config) {
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  // Note: This method always succeeds.
+  TracingController::GetInstance()->StartTracing(
+      trace_config, base::BindOnce(atom::util::Promise::ResolveEmptyPromise,
+                                   std::move(promise)));
+  return handle;
+}
+
+void OnTraceBufferUsageAvailable(atom::util::Promise promise,
+                                 float percent_full,
+                                 size_t approximate_count) {
+  mate::Dictionary dict = mate::Dictionary::CreateEmpty(promise.isolate());
+  dict.Set("percentage", percent_full);
+  dict.Set("value", approximate_count);
+
+  promise.Resolve(dict.GetHandle());
+}
+
+v8::Local<v8::Promise> GetTraceBufferUsage(v8::Isolate* isolate) {
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  // Note: This method always succeeds.
+  TracingController::GetInstance()->GetTraceBufferUsage(
+      base::BindOnce(&OnTraceBufferUsageAvailable, std::move(promise)));
+  return handle;
 }
 
 void Initialize(v8::Local<v8::Object> exports,
                 v8::Local<v8::Value> unused,
                 v8::Local<v8::Context> context,
                 void* priv) {
-  auto controller = base::Unretained(TracingController::GetInstance());
   mate::Dictionary dict(context->GetIsolate(), exports);
-  dict.SetMethod("getCategories",
-                 base::Bind(&TracingController::GetCategories, controller));
-  dict.SetMethod("startRecording",
-                 base::Bind(&TracingController::StartTracing, controller));
+  dict.SetMethod("getCategories", &GetCategories);
+  dict.SetMethod("startRecording", &StartTracing);
   dict.SetMethod("stopRecording", &StopRecording);
-  dict.SetMethod(
-      "getTraceBufferUsage",
-      base::Bind(&TracingController::GetTraceBufferUsage, controller));
+  dict.SetMethod("getTraceBufferUsage", &GetTraceBufferUsage);
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_content_tracing, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_content_tracing, Initialize)

atom/browser/api/atom_api_cookies.cc

@@ -12,9 +12,11 @@
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/gurl_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "base/task/post_task.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "content/public/browser/browser_context.h"
+#include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
@@ -134,74 +136,120 @@ inline net::CookieStore* GetCookieStore(
   return getter->GetURLRequestContext()->cookie_store();
 }
 
-// Run |callback| on UI thread.
-void RunCallbackInUI(const base::Closure& callback) {
-  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, callback);
-}
-
 // Remove cookies from |list| not matching |filter|, and pass it to |callback|.
 void FilterCookies(std::unique_ptr<base::DictionaryValue> filter,
-                   const Cookies::GetCallback& callback,
-                   const net::CookieList& list) {
+                   util::Promise promise,
+                   const net::CookieList& list,
+                   const net::CookieStatusList& excluded_list) {
   net::CookieList result;
   for (const auto& cookie : list) {
     if (MatchesCookie(filter.get(), cookie))
       result.push_back(cookie);
   }
-  RunCallbackInUI(base::Bind(callback, Cookies::SUCCESS, result));
+
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::UI},
+      base::BindOnce(util::Promise::ResolvePromise<const net::CookieList&>,
+                     std::move(promise), std::move(result)));
 }
 
 // Receives cookies matching |filter| in IO thread.
 void GetCookiesOnIO(scoped_refptr<net::URLRequestContextGetter> getter,
                     std::unique_ptr<base::DictionaryValue> filter,
-                    const Cookies::GetCallback& callback) {
+                    util::Promise promise) {
   std::string url;
   filter->GetString("url", &url);
 
   auto filtered_callback =
-      base::Bind(FilterCookies, base::Passed(&filter), callback);
+      base::BindOnce(FilterCookies, std::move(filter), std::move(promise));
 
   // Empty url will match all url cookies.
   if (url.empty())
-    GetCookieStore(getter)->GetAllCookiesAsync(filtered_callback);
+    GetCookieStore(getter)->GetAllCookiesAsync(std::move(filtered_callback));
   else
-    GetCookieStore(getter)->GetAllCookiesForURLAsync(GURL(url),
-                                                     filtered_callback);
+    GetCookieStore(getter)->GetAllCookiesForURLAsync(
+        GURL(url), std::move(filtered_callback));
 }
 
 // Removes cookie with |url| and |name| in IO thread.
-void RemoveCookieOnIOThread(scoped_refptr<net::URLRequestContextGetter> getter,
-                            const GURL& url,
-                            const std::string& name,
-                            const base::Closure& callback) {
-  GetCookieStore(getter)->DeleteCookieAsync(
-      url, name, base::BindOnce(RunCallbackInUI, callback));
+void RemoveCookieOnIO(scoped_refptr<net::URLRequestContextGetter> getter,
+                      const GURL& url,
+                      const std::string& name,
+                      util::Promise promise) {
+  net::CookieDeletionInfo cookie_info;
+  cookie_info.url = url;
+  cookie_info.name = name;
+  GetCookieStore(getter)->DeleteAllMatchingInfoAsync(
+      std::move(cookie_info),
+      base::BindOnce(
+          [](util::Promise promise, uint32_t num_deleted) {
+            util::Promise::ResolveEmptyPromise(std::move(promise));
+          },
+          std::move(promise)));
 }
 
 // Callback of SetCookie.
-void OnSetCookie(const Cookies::SetCallback& callback, bool success) {
-  RunCallbackInUI(
-      base::Bind(callback, success ? Cookies::SUCCESS : Cookies::FAILED));
+void OnSetCookie(util::Promise promise,
+                 net::CanonicalCookie::CookieInclusionStatus status) {
+  std::string errmsg;
+  switch (status) {
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_HTTP_ONLY:
+      errmsg = "Failed to create httponly cookie";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_SECURE_ONLY:
+      errmsg = "Cannot create a secure cookie from an insecure URL";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_FAILURE_TO_STORE:
+      errmsg = "Failed to parse cookie";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_INVALID_DOMAIN:
+      errmsg = "Failed to get cookie domain";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_INVALID_PREFIX:
+      errmsg = "Failed because the cookie violated prefix rules.";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::
+        EXCLUDE_NONCOOKIEABLE_SCHEME:
+      errmsg = "Cannot set cookie for current scheme";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::INCLUDE:
+      errmsg = "";
+      break;
+    default:
+      errmsg = "Setting cookie failed";
+      break;
+  }
+  if (errmsg.empty()) {
+    base::PostTaskWithTraits(
+        FROM_HERE, {BrowserThread::UI},
+        base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
+  } else {
+    base::PostTaskWithTraits(
+        FROM_HERE, {BrowserThread::UI},
+        base::BindOnce(util::Promise::RejectPromise, std::move(promise),
+                       std::move(errmsg)));
+  }
 }
 
 // Flushes cookie store in IO thread.
 void FlushCookieStoreOnIOThread(
     scoped_refptr<net::URLRequestContextGetter> getter,
-    const base::Closure& callback) {
-  GetCookieStore(getter)->FlushStore(base::BindOnce(RunCallbackInUI, callback));
+    util::Promise promise) {
+  GetCookieStore(getter)->FlushStore(
+      base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
 }
 
 // Sets cookie with |details| in IO thread.
 void SetCookieOnIO(scoped_refptr<net::URLRequestContextGetter> getter,
                    std::unique_ptr<base::DictionaryValue> details,
-                   const Cookies::SetCallback& callback) {
-  std::string url, name, value, domain, path;
+                   util::Promise promise) {
+  std::string url_string, name, value, domain, path;
   bool secure = false;
   bool http_only = false;
   double creation_date;
   double expiration_date;
   double last_access_date;
-  details->GetString("url", &url);
+  details->GetString("url", &url_string);
   details->GetString("name", &name);
   details->GetString("value", &value);
   details->GetString("domain", &domain);
@@ -230,26 +278,37 @@ void SetCookieOnIO(scoped_refptr<net::URLRequestContextGetter> getter,
                            : base::Time::FromDoubleT(last_access_date);
   }
 
+  GURL url(url_string);
   std::unique_ptr<net::CanonicalCookie> canonical_cookie(
       net::CanonicalCookie::CreateSanitizedCookie(
-          GURL(url), name, value, domain, path, creation_time, expiration_time,
+          url, name, value, domain, path, creation_time, expiration_time,
           last_access_time, secure, http_only,
-          net::CookieSameSite::DEFAULT_MODE, net::COOKIE_PRIORITY_DEFAULT));
-  auto completion_callback = base::BindOnce(OnSetCookie, callback);
+          net::CookieSameSite::NO_RESTRICTION, net::COOKIE_PRIORITY_DEFAULT));
+  auto completion_callback = base::BindOnce(OnSetCookie, std::move(promise));
   if (!canonical_cookie || !canonical_cookie->IsCanonical()) {
-    std::move(completion_callback).Run(false);
+    std::move(completion_callback)
+        .Run(net::CanonicalCookie::CookieInclusionStatus::
+                 EXCLUDE_FAILURE_TO_STORE);
     return;
   }
-  if (url.empty()) {
-    std::move(completion_callback).Run(false);
+  if (!url.is_valid()) {
+    std::move(completion_callback)
+        .Run(net::CanonicalCookie::CookieInclusionStatus::
+                 EXCLUDE_INVALID_DOMAIN);
     return;
   }
   if (name.empty()) {
-    std::move(completion_callback).Run(false);
+    std::move(completion_callback)
+        .Run(net::CanonicalCookie::CookieInclusionStatus::
+                 EXCLUDE_FAILURE_TO_STORE);
     return;
   }
+  net::CookieOptions options;
+  if (http_only) {
+    options.set_include_httponly();
+  }
   GetCookieStore(getter)->SetCanonicalCookieAsync(
-      std::move(canonical_cookie), secure, http_only,
+      std::move(canonical_cookie), url.scheme(), options,
       std::move(completion_callback));
 }
 
@@ -265,44 +324,61 @@ Cookies::Cookies(v8::Isolate* isolate, AtomBrowserContext* browser_context)
 
 Cookies::~Cookies() {}
 
-void Cookies::Get(const base::DictionaryValue& filter,
-                  const GetCallback& callback) {
+v8::Local<v8::Promise> Cookies::Get(const base::DictionaryValue& filter) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   auto copy = base::DictionaryValue::From(
       base::Value::ToUniquePtrValue(filter.Clone()));
   auto* getter = browser_context_->GetRequestContext();
-  content::BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(GetCookiesOnIO, base::RetainedRef(getter), std::move(copy),
-                     callback));
+                     std::move(promise)));
+
+  return handle;
 }
 
-void Cookies::Remove(const GURL& url,
-                     const std::string& name,
-                     const base::Closure& callback) {
+v8::Local<v8::Promise> Cookies::Remove(const GURL& url,
+                                       const std::string& name) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   auto* getter = browser_context_->GetRequestContext();
-  content::BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::BindOnce(RemoveCookieOnIOThread, base::RetainedRef(getter), url,
-                     name, callback));
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
+      base::BindOnce(RemoveCookieOnIO, base::RetainedRef(getter), url, name,
+                     std::move(promise)));
+
+  return handle;
 }
 
-void Cookies::Set(const base::DictionaryValue& details,
-                  const SetCallback& callback) {
+v8::Local<v8::Promise> Cookies::Set(const base::DictionaryValue& details) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   auto copy = base::DictionaryValue::From(
       base::Value::ToUniquePtrValue(details.Clone()));
   auto* getter = browser_context_->GetRequestContext();
-  content::BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(SetCookieOnIO, base::RetainedRef(getter), std::move(copy),
-                     callback));
+                     std::move(promise)));
+
+  return handle;
 }
 
-void Cookies::FlushStore(const base::Closure& callback) {
+v8::Local<v8::Promise> Cookies::FlushStore() {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   auto* getter = browser_context_->GetRequestContext();
-  content::BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(FlushCookieStoreOnIOThread, base::RetainedRef(getter),
-                     callback));
+                     std::move(promise)));
+
+  return handle;
 }
 
 void Cookies::OnCookieChanged(const CookieDetails* details) {

atom/browser/api/atom_api_cookies.h

@@ -10,6 +10,7 @@
 
 #include "atom/browser/api/trackable_object.h"
 #include "atom/browser/net/cookie_details.h"
+#include "atom/common/promise_util.h"
 #include "base/callback_list.h"
 #include "native_mate/handle.h"
 #include "net/cookies/canonical_cookie.h"
@@ -35,9 +36,6 @@ class Cookies : public mate::TrackableObject<Cookies> {
     FAILED,
   };
 
-  using GetCallback = base::Callback<void(Error, const net::CookieList&)>;
-  using SetCallback = base::Callback<void(Error)>;
-
   static mate::Handle<Cookies> Create(v8::Isolate* isolate,
                                       AtomBrowserContext* browser_context);
 
@@ -49,12 +47,10 @@ class Cookies : public mate::TrackableObject<Cookies> {
   Cookies(v8::Isolate* isolate, AtomBrowserContext* browser_context);
   ~Cookies() override;
 
-  void Get(const base::DictionaryValue& filter, const GetCallback& callback);
-  void Remove(const GURL& url,
-              const std::string& name,
-              const base::Closure& callback);
-  void Set(const base::DictionaryValue& details, const SetCallback& callback);
-  void FlushStore(const base::Closure& callback);
+  v8::Local<v8::Promise> Get(const base::DictionaryValue& filter);
+  v8::Local<v8::Promise> Set(const base::DictionaryValue& details);
+  v8::Local<v8::Promise> Remove(const GURL& url, const std::string& name);
+  v8::Local<v8::Promise> FlushStore();
 
   // CookieChangeNotifier subscription:
   void OnCookieChanged(const CookieDetails*);

atom/browser/api/atom_api_debugger.cc

@@ -10,14 +10,13 @@
 
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/web_contents.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
-
 using content::DevToolsAgentHost;
 
 namespace atom {
@@ -45,7 +44,8 @@ void Debugger::DispatchProtocolMessage(DevToolsAgentHost* agent_host,
   v8::Locker locker(isolate());
   v8::HandleScope handle_scope(isolate());
 
-  std::unique_ptr<base::Value> parsed_message = base::JSONReader::Read(message);
+  std::unique_ptr<base::Value> parsed_message =
+      base::JSONReader::ReadDeprecated(message);
   if (!parsed_message || !parsed_message->is_dict())
     return;
   base::DictionaryValue* dict =
@@ -61,23 +61,26 @@ void Debugger::DispatchProtocolMessage(DevToolsAgentHost* agent_host,
       params.Swap(params_value);
     Emit("message", method, params);
   } else {
-    auto send_command_callback = pending_requests_[id];
-    pending_requests_.erase(id);
-    if (send_command_callback.is_null())
+    auto it = pending_requests_.find(id);
+    if (it == pending_requests_.end())
       return;
-    base::DictionaryValue* error_body = nullptr;
-    base::DictionaryValue error;
-    bool has_error;
-    if ((has_error = dict->GetDictionary("error", &error_body))) {
-      error.Swap(error_body);
-    }
 
-    base::DictionaryValue* result_body = nullptr;
-    base::DictionaryValue result;
-    if (dict->GetDictionary("result", &result_body))
-      result.Swap(result_body);
-    send_command_callback.Run(has_error ? error.Clone() : base::Value(),
-                              result);
+    atom::util::Promise promise = std::move(it->second);
+    pending_requests_.erase(it);
+
+    base::DictionaryValue* error = nullptr;
+    if (dict->GetDictionary("error", &error)) {
+      std::string message;
+      error->GetString("message", &message);
+      promise.RejectWithErrorMessage(message);
+    } else {
+      base::DictionaryValue* result_body = nullptr;
+      base::DictionaryValue result;
+      if (dict->GetDictionary("result", &result_body)) {
+        result.Swap(result_body);
+      }
+      promise.Resolve(result);
+    }
   }
 }
 
@@ -125,23 +128,27 @@ void Debugger::Detach() {
   AgentHostClosed(agent_host_.get());
 }
 
-void Debugger::SendCommand(mate::Arguments* args) {
-  if (!agent_host_)
-    return;
+v8::Local<v8::Promise> Debugger::SendCommand(mate::Arguments* args) {
+  atom::util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  if (!agent_host_) {
+    promise.RejectWithErrorMessage("No target available");
+    return handle;
+  }
 
   std::string method;
   if (!args->GetNext(&method)) {
-    args->ThrowError();
-    return;
+    promise.RejectWithErrorMessage("Invalid method");
+    return handle;
   }
+
   base::DictionaryValue command_params;
   args->GetNext(&command_params);
-  SendCommandCallback callback;
-  args->GetNext(&callback);
 
   base::DictionaryValue request;
   int request_id = ++previous_request_id_;
-  pending_requests_[request_id] = callback;
+  pending_requests_.emplace(request_id, std::move(promise));
   request.SetInteger("id", request_id);
   request.SetString("method", method);
   if (!command_params.empty())
@@ -151,16 +158,13 @@ void Debugger::SendCommand(mate::Arguments* args) {
   std::string json_args;
   base::JSONWriter::Write(request, &json_args);
   agent_host_->DispatchProtocolMessage(this, json_args);
+
+  return handle;
 }
 
 void Debugger::ClearPendingRequests() {
-  if (pending_requests_.empty())
-    return;
-  base::Value error(base::Value::Type::DICTIONARY);
-  base::Value error_msg("target closed while handling command");
-  error.SetKey("message", std::move(error_msg));
-  for (const auto& it : pending_requests_)
-    it.second.Run(error, base::Value());
+  for (auto& it : pending_requests_)
+    it.second.RejectWithErrorMessage("target closed while handling command");
 }
 
 // static
@@ -194,9 +198,11 @@ void Initialize(v8::Local<v8::Object> exports,
                 void* priv) {
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary(isolate, exports)
-      .Set("Debugger", Debugger::GetConstructor(isolate)->GetFunction());
+      .Set("Debugger", Debugger::GetConstructor(isolate)
+                           ->GetFunction(context)
+                           .ToLocalChecked());
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_debugger, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_debugger, Initialize)

atom/browser/api/atom_api_debugger.h

@@ -9,6 +9,7 @@
 #include <string>
 
 #include "atom/browser/api/trackable_object.h"
+#include "atom/common/promise_util.h"
 #include "base/callback.h"
 #include "base/values.h"
 #include "content/public/browser/devtools_agent_host_client.h"
@@ -32,9 +33,6 @@ class Debugger : public mate::TrackableObject<Debugger>,
                  public content::DevToolsAgentHostClient,
                  public content::WebContentsObserver {
  public:
-  using SendCommandCallback =
-      base::Callback<void(const base::Value&, const base::Value&)>;
-
   static mate::Handle<Debugger> Create(v8::Isolate* isolate,
                                        content::WebContents* web_contents);
 
@@ -56,12 +54,12 @@ class Debugger : public mate::TrackableObject<Debugger>,
                               content::RenderFrameHost* new_rfh) override;
 
  private:
-  using PendingRequestMap = std::map<int, SendCommandCallback>;
+  using PendingRequestMap = std::map<int, atom::util::Promise>;
 
   void Attach(mate::Arguments* args);
   bool IsAttached();
   void Detach();
-  void SendCommand(mate::Arguments* args);
+  v8::Local<v8::Promise> SendCommand(mate::Arguments* args);
   void ClearPendingRequests();
 
   content::WebContents* web_contents_;  // Weak Reference.

atom/browser/api/atom_api_desktop_capturer.cc

@@ -10,10 +10,12 @@
 
 #include "atom/common/api/atom_api_native_image.h"
 #include "atom/common/native_mate_converters/gfx_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/media/webrtc/desktop_media_list.h"
+#include "chrome/browser/media/webrtc/window_icon_util.h"
 #include "content/public/browser/desktop_capture.h"
 #include "native_mate/dictionary.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_capture_options.h"
@@ -25,8 +27,6 @@
 #include "ui/display/win/display_info.h"
 #endif  // defined(OS_WIN)
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 
 template <>
@@ -42,6 +42,12 @@ struct Converter<atom::api::DesktopCapturer::Source> {
              atom::api::NativeImage::Create(
                  isolate, gfx::Image(source.media_list_source.thumbnail)));
     dict.Set("display_id", source.display_id);
+    if (source.fetch_icon) {
+      dict.Set(
+          "appIcon",
+          atom::api::NativeImage::Create(
+              isolate, gfx::Image(GetWindowIcon(source.media_list_source.id))));
+    }
     return ConvertToV8(isolate, dict);
   }
 };
@@ -60,7 +66,9 @@ DesktopCapturer::~DesktopCapturer() {}
 
 void DesktopCapturer::StartHandling(bool capture_window,
                                     bool capture_screen,
-                                    const gfx::Size& thumbnail_size) {
+                                    const gfx::Size& thumbnail_size,
+                                    bool fetch_window_icons) {
+  fetch_window_icons_ = fetch_window_icons;
 #if defined(OS_WIN)
   if (content::desktop_capture::CreateDesktopCaptureOptions()
           .allow_directx_capturer()) {
@@ -79,10 +87,6 @@ void DesktopCapturer::StartHandling(bool capture_window,
   capture_screen_ = capture_screen;
 
   {
-    // Remove this once
-    // https://bugs.chromium.org/p/chromium/issues/detail?id=795340 is fixed.
-    base::ScopedAllowBaseSyncPrimitivesForTesting
-        scoped_allow_base_sync_primitives;
     // Initialize the source list.
     // Apply the new thumbnail size and restart capture.
     if (capture_window) {
@@ -128,24 +132,26 @@ bool DesktopCapturer::ShouldScheduleNextRefresh(DesktopMediaList* list) {
 }
 
 void DesktopCapturer::UpdateSourcesList(DesktopMediaList* list) {
-  std::vector<DesktopCapturer::Source> window_sources;
   if (capture_window_ &&
       list->GetMediaListType() == content::DesktopMediaID::TYPE_WINDOW) {
     capture_window_ = false;
     const auto& media_list_sources = list->GetSources();
+    std::vector<DesktopCapturer::Source> window_sources;
+    window_sources.reserve(media_list_sources.size());
     for (const auto& media_list_source : media_list_sources) {
-      window_sources.emplace_back(
-          DesktopCapturer::Source{media_list_source, std::string()});
+      window_sources.emplace_back(DesktopCapturer::Source{
+          media_list_source, std::string(), fetch_window_icons_});
     }
     std::move(window_sources.begin(), window_sources.end(),
               std::back_inserter(captured_sources_));
   }
 
-  std::vector<DesktopCapturer::Source> screen_sources;
   if (capture_screen_ &&
       list->GetMediaListType() == content::DesktopMediaID::TYPE_SCREEN) {
     capture_screen_ = false;
     const auto& media_list_sources = list->GetSources();
+    std::vector<DesktopCapturer::Source> screen_sources;
+    screen_sources.reserve(media_list_sources.size());
     for (const auto& media_list_source : media_list_sources) {
       screen_sources.emplace_back(
           DesktopCapturer::Source{media_list_source, std::string()});
@@ -159,8 +165,12 @@ void DesktopCapturer::UpdateSourcesList(DesktopMediaList* list) {
       std::vector<std::string> device_names;
       // Crucially, this list of device names will be in the same order as
       // |media_list_sources|.
-      webrtc::DxgiDuplicatorController::Instance()->GetDeviceNames(
-          &device_names);
+      if (!webrtc::DxgiDuplicatorController::Instance()->GetDeviceNames(
+              &device_names)) {
+        Emit("error", "Failed to get sources.");
+        return;
+      }
+
       int device_name_index = 0;
       for (auto& source : screen_sources) {
         const auto& device_name = device_names[device_name_index++];
@@ -170,13 +180,13 @@ void DesktopCapturer::UpdateSourcesList(DesktopMediaList* list) {
         const int64_t device_id =
             display::win::DisplayInfo::DeviceIdFromDeviceName(
                 wide_device_name.c_str());
-        source.display_id = base::Int64ToString(device_id);
+        source.display_id = base::NumberToString(device_id);
       }
     }
 #elif defined(OS_MACOSX)
     // On Mac, the IDs across the APIs match.
     for (auto& source : screen_sources) {
-      source.display_id = base::Int64ToString(source.media_list_source.id.id);
+      source.display_id = base::NumberToString(source.media_list_source.id.id);
     }
 #endif  // defined(OS_WIN)
     // TODO(ajmacd): Add Linux support. The IDs across APIs differ but Chrome
@@ -187,7 +197,7 @@ void DesktopCapturer::UpdateSourcesList(DesktopMediaList* list) {
   }
 
   if (!capture_window_ && !capture_screen_)
-    Emit("finished", captured_sources_);
+    Emit("finished", captured_sources_, fetch_window_icons_);
 }
 
 // static
@@ -216,9 +226,9 @@ void Initialize(v8::Local<v8::Object> exports,
                 void* priv) {
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary dict(isolate, exports);
-  dict.Set("desktopCapturer", atom::api::DesktopCapturer::Create(isolate));
+  dict.SetMethod("createDesktopCapturer", &atom::api::DesktopCapturer::Create);
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_desktop_capturer, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_desktop_capturer, Initialize)

atom/browser/api/atom_api_desktop_capturer.h

@@ -9,7 +9,7 @@
 #include <string>
 #include <vector>
 
-#include "atom/browser/api/event_emitter.h"
+#include "atom/browser/api/trackable_object.h"
 #include "chrome/browser/media/webrtc/desktop_media_list_observer.h"
 #include "chrome/browser/media/webrtc/native_desktop_media_list.h"
 #include "native_mate/handle.h"
@@ -18,13 +18,16 @@ namespace atom {
 
 namespace api {
 
-class DesktopCapturer : public mate::EventEmitter<DesktopCapturer>,
+class DesktopCapturer : public mate::TrackableObject<DesktopCapturer>,
                         public DesktopMediaListObserver {
  public:
   struct Source {
     DesktopMediaList::Source media_list_source;
     // Will be an empty string if not available.
     std::string display_id;
+
+    // Whether or not this source should provide an icon.
+    bool fetch_icon = false;
   };
 
   static mate::Handle<DesktopCapturer> Create(v8::Isolate* isolate);
@@ -34,7 +37,8 @@ class DesktopCapturer : public mate::EventEmitter<DesktopCapturer>,
 
   void StartHandling(bool capture_window,
                      bool capture_screen,
-                     const gfx::Size& thumbnail_size);
+                     const gfx::Size& thumbnail_size,
+                     bool fetch_window_icons);
 
  protected:
   explicit DesktopCapturer(v8::Isolate* isolate);
@@ -59,6 +63,7 @@ class DesktopCapturer : public mate::EventEmitter<DesktopCapturer>,
   std::vector<DesktopCapturer::Source> captured_sources_;
   bool capture_window_ = false;
   bool capture_screen_ = false;
+  bool fetch_window_icons_ = false;
 #if defined(OS_WIN)
   bool using_directx_capturer_ = false;
 #endif  // defined(OS_WIN)

atom/browser/api/atom_api_dialog.cc

@@ -12,114 +12,101 @@
 #include "atom/browser/ui/file_dialog.h"
 #include "atom/browser/ui/message_box.h"
 #include "atom/common/native_mate_converters/callback.h"
+#include "atom/common/native_mate_converters/file_dialog_converter.h"
 #include "atom/common/native_mate_converters/file_path_converter.h"
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/net_converter.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
-
-namespace mate {
-
-template <>
-struct Converter<file_dialog::Filter> {
-  static bool FromV8(v8::Isolate* isolate,
-                     v8::Local<v8::Value> val,
-                     file_dialog::Filter* out) {
-    mate::Dictionary dict;
-    if (!ConvertFromV8(isolate, val, &dict))
-      return false;
-    if (!dict.Get("name", &(out->first)))
-      return false;
-    if (!dict.Get("extensions", &(out->second)))
-      return false;
-    return true;
-  }
-};
-
-template <>
-struct Converter<file_dialog::DialogSettings> {
-  static bool FromV8(v8::Isolate* isolate,
-                     v8::Local<v8::Value> val,
-                     file_dialog::DialogSettings* out) {
-    mate::Dictionary dict;
-    if (!ConvertFromV8(isolate, val, &dict))
-      return false;
-    dict.Get("window", &(out->parent_window));
-    dict.Get("title", &(out->title));
-    dict.Get("message", &(out->message));
-    dict.Get("buttonLabel", &(out->button_label));
-    dict.Get("nameFieldLabel", &(out->name_field_label));
-    dict.Get("defaultPath", &(out->default_path));
-    dict.Get("filters", &(out->filters));
-    dict.Get("properties", &(out->properties));
-    dict.Get("showsTagField", &(out->shows_tag_field));
-#if defined(MAS_BUILD)
-    dict.Get("securityScopedBookmarks", &(out->security_scoped_bookmarks));
-#endif
-    return true;
-  }
-};
-
-}  // namespace mate
+#include "atom/common/promise_util.h"
+#include "native_mate/dictionary.h"
 
 namespace {
 
-void ShowMessageBox(int type,
-                    const std::vector<std::string>& buttons,
-                    int default_id,
-                    int cancel_id,
-                    int options,
-                    const std::string& title,
-                    const std::string& message,
-                    const std::string& detail,
-                    const std::string& checkbox_label,
-                    bool checkbox_checked,
-                    const gfx::ImageSkia& icon,
-                    atom::NativeWindow* window,
-                    mate::Arguments* args) {
-  v8::Local<v8::Value> peek = args->PeekNext();
-  atom::MessageBoxCallback callback;
-  if (mate::Converter<atom::MessageBoxCallback>::FromV8(args->isolate(), peek,
-                                                        &callback)) {
-    atom::ShowMessageBox(window, static_cast<atom::MessageBoxType>(type),
-                         buttons, default_id, cancel_id, options, title,
-                         message, detail, checkbox_label, checkbox_checked,
-                         icon, callback);
-  } else {
-    int chosen = atom::ShowMessageBox(
-        window, static_cast<atom::MessageBoxType>(type), buttons, default_id,
-        cancel_id, options, title, message, detail, icon);
-    args->Return(chosen);
-  }
+int ShowMessageBoxSync(int type,
+                       const std::vector<std::string>& buttons,
+                       int default_id,
+                       int cancel_id,
+                       int options,
+                       const std::string& title,
+                       const std::string& message,
+                       const std::string& detail,
+                       const std::string& checkbox_label,
+                       bool checkbox_checked,
+                       const gfx::ImageSkia& icon,
+                       atom::NativeWindow* window) {
+  return atom::ShowMessageBoxSync(
+      window, static_cast<atom::MessageBoxType>(type), buttons, default_id,
+      cancel_id, options, title, message, detail, icon);
 }
 
-void ShowOpenDialog(const file_dialog::DialogSettings& settings,
-                    mate::Arguments* args) {
-  v8::Local<v8::Value> peek = args->PeekNext();
-  file_dialog::OpenDialogCallback callback;
-  if (mate::Converter<file_dialog::OpenDialogCallback>::FromV8(
-          args->isolate(), peek, &callback)) {
-    file_dialog::ShowOpenDialog(settings, callback);
-  } else {
-    std::vector<base::FilePath> paths;
-    if (file_dialog::ShowOpenDialog(settings, &paths))
-      args->Return(paths);
-  }
+void ResolvePromiseObject(atom::util::Promise promise,
+                          int result,
+                          bool checkbox_checked) {
+  mate::Dictionary dict = mate::Dictionary::CreateEmpty(promise.isolate());
+
+  dict.Set("response", result);
+  dict.Set("checkboxChecked", checkbox_checked);
+
+  promise.Resolve(dict.GetHandle());
 }
 
-void ShowSaveDialog(const file_dialog::DialogSettings& settings,
-                    mate::Arguments* args) {
-  v8::Local<v8::Value> peek = args->PeekNext();
-  file_dialog::SaveDialogCallback callback;
-  if (mate::Converter<file_dialog::SaveDialogCallback>::FromV8(
-          args->isolate(), peek, &callback)) {
-    file_dialog::ShowSaveDialog(settings, callback);
-  } else {
-    base::FilePath path;
-    if (file_dialog::ShowSaveDialog(settings, &path))
-      args->Return(path);
-  }
+v8::Local<v8::Promise> ShowMessageBox(int type,
+                                      const std::vector<std::string>& buttons,
+                                      int default_id,
+                                      int cancel_id,
+                                      int options,
+                                      const std::string& title,
+                                      const std::string& message,
+                                      const std::string& detail,
+                                      const std::string& checkbox_label,
+                                      bool checkbox_checked,
+                                      const gfx::ImageSkia& icon,
+                                      atom::NativeWindow* window,
+                                      mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  atom::ShowMessageBox(
+      window, static_cast<atom::MessageBoxType>(type), buttons, default_id,
+      cancel_id, options, title, message, detail, checkbox_label,
+      checkbox_checked, icon,
+      base::BindOnce(&ResolvePromiseObject, std::move(promise)));
+
+  return handle;
+}
+
+void ShowOpenDialogSync(const file_dialog::DialogSettings& settings,
+                        mate::Arguments* args) {
+  std::vector<base::FilePath> paths;
+  if (file_dialog::ShowOpenDialogSync(settings, &paths))
+    args->Return(paths);
+}
+
+v8::Local<v8::Promise> ShowOpenDialog(
+    const file_dialog::DialogSettings& settings,
+    mate::Arguments* args) {
+  atom::util::Promise promise(args->isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+  file_dialog::ShowOpenDialog(settings, std::move(promise));
+  return handle;
+}
+
+void ShowSaveDialogSync(const file_dialog::DialogSettings& settings,
+                        mate::Arguments* args) {
+  base::FilePath path;
+  if (file_dialog::ShowSaveDialogSync(settings, &path))
+    args->Return(path);
+}
+
+v8::Local<v8::Promise> ShowSaveDialog(
+    const file_dialog::DialogSettings& settings,
+    mate::Arguments* args) {
+  atom::util::Promise promise(args->isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  file_dialog::ShowSaveDialog(settings, std::move(promise));
+  return handle;
 }
 
 void Initialize(v8::Local<v8::Object> exports,
@@ -127,9 +114,12 @@ void Initialize(v8::Local<v8::Object> exports,
                 v8::Local<v8::Context> context,
                 void* priv) {
   mate::Dictionary dict(context->GetIsolate(), exports);
+  dict.SetMethod("showMessageBoxSync", &ShowMessageBoxSync);
   dict.SetMethod("showMessageBox", &ShowMessageBox);
   dict.SetMethod("showErrorBox", &atom::ShowErrorBox);
+  dict.SetMethod("showOpenDialogSync", &ShowOpenDialogSync);
   dict.SetMethod("showOpenDialog", &ShowOpenDialog);
+  dict.SetMethod("showSaveDialogSync", &ShowSaveDialogSync);
   dict.SetMethod("showSaveDialog", &ShowSaveDialog);
 #if defined(OS_MACOSX) || defined(OS_WIN)
   dict.SetMethod("showCertificateTrustDialog",
@@ -139,4 +129,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_dialog, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_dialog, Initialize)

atom/browser/api/atom_api_download_item.cc

@@ -8,15 +8,15 @@
 
 #include "atom/browser/atom_browser_main_parts.h"
 #include "atom/common/native_mate_converters/callback.h"
+#include "atom/common/native_mate_converters/file_dialog_converter.h"
 #include "atom/common/native_mate_converters/file_path_converter.h"
 #include "atom/common/native_mate_converters/gurl_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "native_mate/dictionary.h"
 #include "net/base/filename_util.h"
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 
 template <>
@@ -102,7 +102,7 @@ bool DownloadItem::IsPaused() const {
 }
 
 void DownloadItem::Resume() {
-  download_item_->Resume();
+  download_item_->Resume(true /* user_gesture */);
 }
 
 bool DownloadItem::CanResume() const {
@@ -165,6 +165,15 @@ base::FilePath DownloadItem::GetSavePath() const {
   return save_path_;
 }
 
+file_dialog::DialogSettings DownloadItem::GetSaveDialogOptions() const {
+  return dialog_options_;
+}
+
+void DownloadItem::SetSaveDialogOptions(
+    const file_dialog::DialogSettings& options) {
+  dialog_options_ = options;
+}
+
 std::string DownloadItem::GetLastModifiedTime() const {
   return download_item_->GetLastModifiedTime();
 }
@@ -200,6 +209,8 @@ void DownloadItem::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("isDone", &DownloadItem::IsDone)
       .SetMethod("setSavePath", &DownloadItem::SetSavePath)
       .SetMethod("getSavePath", &DownloadItem::GetSavePath)
+      .SetMethod("setSaveDialogOptions", &DownloadItem::SetSaveDialogOptions)
+      .SetMethod("getSaveDialogOptions", &DownloadItem::GetSaveDialogOptions)
       .SetMethod("getLastModifiedTime", &DownloadItem::GetLastModifiedTime)
       .SetMethod("getETag", &DownloadItem::GetETag)
       .SetMethod("getStartTime", &DownloadItem::GetStartTime);
@@ -232,10 +243,11 @@ void Initialize(v8::Local<v8::Object> exports,
                 void* priv) {
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary(isolate, exports)
-      .Set("DownloadItem",
-           atom::api::DownloadItem::GetConstructor(isolate)->GetFunction());
+      .Set("DownloadItem", atom::api::DownloadItem::GetConstructor(isolate)
+                               ->GetFunction(context)
+                               .ToLocalChecked());
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_download_item, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_download_item, Initialize)

atom/browser/api/atom_api_download_item.h

@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "atom/browser/api/trackable_object.h"
+#include "atom/browser/ui/file_dialog.h"
 #include "base/files/file_path.h"
 #include "components/download/public/common/download_item.h"
 #include "native_mate/handle.h"
@@ -44,6 +45,8 @@ class DownloadItem : public mate::TrackableObject<DownloadItem>,
   bool IsDone() const;
   void SetSavePath(const base::FilePath& path);
   base::FilePath GetSavePath() const;
+  file_dialog::DialogSettings GetSaveDialogOptions() const;
+  void SetSaveDialogOptions(const file_dialog::DialogSettings& options);
   std::string GetLastModifiedTime() const;
   std::string GetETag() const;
   double GetStartTime() const;
@@ -58,6 +61,7 @@ class DownloadItem : public mate::TrackableObject<DownloadItem>,
 
  private:
   base::FilePath save_path_;
+  file_dialog::DialogSettings dialog_options_;
   download::DownloadItem* download_item_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItem);

atom/browser/api/atom_api_event.cc

@@ -0,0 +1,26 @@
+// Copyright (c) 2018 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/api/event_emitter.h"
+#include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
+
+namespace {
+
+v8::Local<v8::Object> CreateWithSender(v8::Isolate* isolate,
+                                       v8::Local<v8::Object> sender) {
+  return mate::internal::CreateJSEvent(isolate, sender, nullptr, base::nullopt);
+}
+
+void Initialize(v8::Local<v8::Object> exports,
+                v8::Local<v8::Value> unused,
+                v8::Local<v8::Context> context,
+                void* priv) {
+  mate::Dictionary dict(context->GetIsolate(), exports);
+  dict.SetMethod("createWithSender", &CreateWithSender);
+}
+
+}  // namespace
+
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_event, Initialize)

atom/browser/api/atom_api_global_shortcut.cc

@@ -5,16 +5,45 @@
 #include "atom/browser/api/atom_api_global_shortcut.h"
 
 #include <string>
+#include <vector>
 
+#include "atom/browser/api/atom_api_system_preferences.h"
 #include "atom/common/native_mate_converters/accelerator_converter.h"
 #include "atom/common/native_mate_converters/callback.h"
+#include "atom/common/node_includes.h"
 #include "base/stl_util.h"
+#include "base/strings/utf_string_conversions.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
+#if defined(OS_MACOSX)
+#include "base/mac/mac_util.h"
+#endif
 
 using extensions::GlobalShortcutListener;
 
+namespace {
+
+#if defined(OS_MACOSX)
+bool RegisteringMediaKeyForUntrustedClient(const ui::Accelerator& accelerator) {
+  if (base::mac::IsAtLeastOS10_14()) {
+    constexpr ui::KeyboardCode mediaKeys[] = {
+        ui::VKEY_MEDIA_PLAY_PAUSE, ui::VKEY_MEDIA_NEXT_TRACK,
+        ui::VKEY_MEDIA_PREV_TRACK, ui::VKEY_MEDIA_STOP};
+
+    if (std::find(std::begin(mediaKeys), std::end(mediaKeys),
+                  accelerator.key_code()) != std::end(mediaKeys)) {
+      bool trusted =
+          atom::api::SystemPreferences::IsTrustedAccessibilityClient(false);
+      if (!trusted)
+        return true;
+    }
+  }
+  return false;
+}
+#endif
+
+}  // namespace
+
 namespace atom {
 
 namespace api {
@@ -31,15 +60,43 @@ void GlobalShortcut::OnKeyPressed(const ui::Accelerator& accelerator) {
   if (accelerator_callback_map_.find(accelerator) ==
       accelerator_callback_map_.end()) {
     // This should never occur, because if it does, GlobalGlobalShortcutListener
-    // notifes us with wrong accelerator.
+    // notifies us with wrong accelerator.
     NOTREACHED();
     return;
   }
   accelerator_callback_map_[accelerator].Run();
 }
 
+bool GlobalShortcut::RegisterAll(
+    const std::vector<ui::Accelerator>& accelerators,
+    const base::Closure& callback) {
+  std::vector<ui::Accelerator> registered;
+
+  for (auto& accelerator : accelerators) {
+#if defined(OS_MACOSX)
+    if (RegisteringMediaKeyForUntrustedClient(accelerator))
+      return false;
+
+    GlobalShortcutListener* listener = GlobalShortcutListener::GetInstance();
+    if (!listener->RegisterAccelerator(accelerator, this)) {
+      // unregister all shortcuts if any failed
+      UnregisterSome(registered);
+      return false;
+    }
+#endif
+    registered.push_back(accelerator);
+    accelerator_callback_map_[accelerator] = callback;
+  }
+  return true;
+}
+
 bool GlobalShortcut::Register(const ui::Accelerator& accelerator,
                               const base::Closure& callback) {
+#if defined(OS_MACOSX)
+  if (RegisteringMediaKeyForUntrustedClient(accelerator))
+    return false;
+#endif
+
   if (!GlobalShortcutListener::GetInstance()->RegisterAccelerator(accelerator,
                                                                   this)) {
     return false;
@@ -58,6 +115,13 @@ void GlobalShortcut::Unregister(const ui::Accelerator& accelerator) {
                                                                this);
 }
 
+void GlobalShortcut::UnregisterSome(
+    const std::vector<ui::Accelerator>& accelerators) {
+  for (auto& accelerator : accelerators) {
+    Unregister(accelerator);
+  }
+}
+
 bool GlobalShortcut::IsRegistered(const ui::Accelerator& accelerator) {
   return ContainsKey(accelerator_callback_map_, accelerator);
 }
@@ -77,6 +141,7 @@ void GlobalShortcut::BuildPrototype(v8::Isolate* isolate,
                                     v8::Local<v8::FunctionTemplate> prototype) {
   prototype->SetClassName(mate::StringToV8(isolate, "GlobalShortcut"));
   mate::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
+      .SetMethod("registerAll", &GlobalShortcut::RegisterAll)
       .SetMethod("register", &GlobalShortcut::Register)
       .SetMethod("isRegistered", &GlobalShortcut::IsRegistered)
       .SetMethod("unregister", &GlobalShortcut::Unregister)
@@ -100,4 +165,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_global_shortcut, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_global_shortcut, Initialize)

atom/browser/api/atom_api_global_shortcut.h

@@ -7,6 +7,7 @@
 
 #include <map>
 #include <string>
+#include <vector>
 
 #include "atom/browser/api/trackable_object.h"
 #include "base/callback.h"
@@ -33,10 +34,13 @@ class GlobalShortcut : public extensions::GlobalShortcutListener::Observer,
  private:
   typedef std::map<ui::Accelerator, base::Closure> AcceleratorCallbackMap;
 
+  bool RegisterAll(const std::vector<ui::Accelerator>& accelerators,
+                   const base::Closure& callback);
   bool Register(const ui::Accelerator& accelerator,
                 const base::Closure& callback);
   bool IsRegistered(const ui::Accelerator& accelerator);
   void Unregister(const ui::Accelerator& accelerator);
+  void UnregisterSome(const std::vector<ui::Accelerator>& accelerators);
   void UnregisterAll();
 
   // GlobalShortcutListener::Observer implementation.

atom/browser/api/atom_api_in_app_purchase.cc

@@ -9,9 +9,8 @@
 #include <vector>
 
 #include "atom/common/native_mate_converters/callback.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
 
 namespace mate {
 
@@ -62,7 +61,7 @@ struct Converter<in_app_purchase::Product> {
     dict.Set("formattedPrice", val.formattedPrice);
 
     // Downloadable Content Information
-    dict.Set("isDownloadable", val.downloadable);
+    dict.Set("isDownloadable", val.isDownloadable);
 
     return dict.GetHandle();
   }
@@ -92,7 +91,7 @@ void InAppPurchase::BuildPrototype(v8::Isolate* isolate,
                  &in_app_purchase::FinishAllTransactions)
       .SetMethod("finishTransactionByDate",
                  &in_app_purchase::FinishTransactionByDate)
-      .SetMethod("getProducts", &in_app_purchase::GetProducts);
+      .SetMethod("getProducts", &InAppPurchase::GetProducts);
 }
 
 InAppPurchase::InAppPurchase(v8::Isolate* isolate) {
@@ -101,13 +100,37 @@ InAppPurchase::InAppPurchase(v8::Isolate* isolate) {
 
 InAppPurchase::~InAppPurchase() {}
 
-void InAppPurchase::PurchaseProduct(const std::string& product_id,
-                                    mate::Arguments* args) {
+v8::Local<v8::Promise> InAppPurchase::PurchaseProduct(
+    const std::string& product_id,
+    mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   int quantity = 1;
-  in_app_purchase::InAppPurchaseCallback callback;
   args->GetNext(&quantity);
-  args->GetNext(&callback);
-  in_app_purchase::PurchaseProduct(product_id, quantity, callback);
+
+  in_app_purchase::PurchaseProduct(
+      product_id, quantity,
+      base::BindOnce(atom::util::Promise::ResolvePromise<bool>,
+                     std::move(promise)));
+
+  return handle;
+}
+
+v8::Local<v8::Promise> InAppPurchase::GetProducts(
+    const std::vector<std::string>& productIDs,
+    mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  in_app_purchase::GetProducts(
+      productIDs, base::BindOnce(atom::util::Promise::ResolvePromise<
+                                     std::vector<in_app_purchase::Product>>,
+                                 std::move(promise)));
+
+  return handle;
 }
 
 void InAppPurchase::OnTransactionsUpdated(
@@ -132,11 +155,12 @@ void Initialize(v8::Local<v8::Object> exports,
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary dict(isolate, exports);
   dict.Set("inAppPurchase", InAppPurchase::Create(isolate));
-  dict.Set("InAppPurchase",
-           InAppPurchase::GetConstructor(isolate)->GetFunction());
+  dict.Set("InAppPurchase", InAppPurchase::GetConstructor(isolate)
+                                ->GetFunction(context)
+                                .ToLocalChecked());
 #endif
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_in_app_purchase, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_in_app_purchase, Initialize)

atom/browser/api/atom_api_in_app_purchase.h

@@ -12,6 +12,7 @@
 #include "atom/browser/mac/in_app_purchase.h"
 #include "atom/browser/mac/in_app_purchase_observer.h"
 #include "atom/browser/mac/in_app_purchase_product.h"
+#include "atom/common/promise_util.h"
 #include "native_mate/handle.h"
 
 namespace atom {
@@ -30,7 +31,11 @@ class InAppPurchase : public mate::EventEmitter<InAppPurchase>,
   explicit InAppPurchase(v8::Isolate* isolate);
   ~InAppPurchase() override;
 
-  void PurchaseProduct(const std::string& product_id, mate::Arguments* args);
+  v8::Local<v8::Promise> PurchaseProduct(const std::string& product_id,
+                                         mate::Arguments* args);
+
+  v8::Local<v8::Promise> GetProducts(const std::vector<std::string>& productIDs,
+                                     mate::Arguments* args);
 
   // TransactionObserver:
   void OnTransactionsUpdated(

atom/browser/api/atom_api_menu.cc

@@ -9,12 +9,11 @@
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
+#include "atom/common/node_includes.h"
 #include "native_mate/constructor.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {
@@ -40,7 +39,10 @@ void Menu::AfterInit(v8::Isolate* isolate) {
   delegate.Get("isCommandIdChecked", &is_checked_);
   delegate.Get("isCommandIdEnabled", &is_enabled_);
   delegate.Get("isCommandIdVisible", &is_visible_);
+  delegate.Get("shouldCommandIdWorkWhenHidden", &works_when_hidden_);
   delegate.Get("getAcceleratorForCommandId", &get_accelerator_);
+  delegate.Get("shouldRegisterAcceleratorForCommandId",
+               &should_register_accelerator_);
   delegate.Get("executeCommand", &execute_command_);
   delegate.Get("menuWillShow", &menu_will_show_);
 }
@@ -63,6 +65,12 @@ bool Menu::IsCommandIdVisible(int command_id) const {
   return is_visible_.Run(GetWrapper(), command_id);
 }
 
+bool Menu::ShouldCommandIdWorkWhenHidden(int command_id) const {
+  v8::Locker locker(isolate());
+  v8::HandleScope handle_scope(isolate());
+  return works_when_hidden_.Run(GetWrapper(), command_id);
+}
+
 bool Menu::GetAcceleratorForCommandIdWithParams(
     int command_id,
     bool use_default_accelerator,
@@ -74,6 +82,12 @@ bool Menu::GetAcceleratorForCommandIdWithParams(
   return mate::ConvertFromV8(isolate(), val, accelerator);
 }
 
+bool Menu::ShouldRegisterAcceleratorForCommandId(int command_id) const {
+  v8::Locker locker(isolate());
+  v8::HandleScope handle_scope(isolate());
+  return should_register_accelerator_.Run(GetWrapper(), command_id);
+}
+
 void Menu::ExecuteCommand(int command_id, int flags) {
   v8::Locker locker(isolate());
   v8::HandleScope handle_scope(isolate());
@@ -82,7 +96,7 @@ void Menu::ExecuteCommand(int command_id, int flags) {
                        command_id);
 }
 
-void Menu::MenuWillShow(ui::SimpleMenuModel* source) {
+void Menu::OnMenuWillShow(ui::SimpleMenuModel* source) {
   v8::Locker locker(isolate());
   v8::HandleScope handle_scope(isolate());
   menu_will_show_.Run(GetWrapper());
@@ -155,6 +169,12 @@ base::string16 Menu::GetSublabelAt(int index) const {
   return model_->GetSublabelAt(index);
 }
 
+base::string16 Menu::GetAcceleratorTextAt(int index) const {
+  ui::Accelerator accelerator;
+  model_->GetAcceleratorAtWithParams(index, true, &accelerator);
+  return accelerator.GetShortcutText();
+}
+
 bool Menu::IsItemCheckedAt(int index) const {
   return model_->IsItemCheckedAt(index);
 }
@@ -167,6 +187,10 @@ bool Menu::IsVisibleAt(int index) const {
   return model_->IsVisibleAt(index);
 }
 
+bool Menu::WorksWhenHiddenAt(int index) const {
+  return model_->WorksWhenHiddenAt(index);
+}
+
 void Menu::OnMenuWillClose() {
   Emit("menu-will-close");
 }
@@ -195,8 +219,10 @@ void Menu::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getCommandIdAt", &Menu::GetCommandIdAt)
       .SetMethod("getLabelAt", &Menu::GetLabelAt)
       .SetMethod("getSublabelAt", &Menu::GetSublabelAt)
+      .SetMethod("getAcceleratorTextAt", &Menu::GetAcceleratorTextAt)
       .SetMethod("isItemCheckedAt", &Menu::IsItemCheckedAt)
       .SetMethod("isEnabledAt", &Menu::IsEnabledAt)
+      .SetMethod("worksWhenHiddenAt", &Menu::WorksWhenHiddenAt)
       .SetMethod("isVisibleAt", &Menu::IsVisibleAt)
       .SetMethod("popupAt", &Menu::PopupAt)
       .SetMethod("closePopupAt", &Menu::ClosePopupAt);
@@ -218,7 +244,9 @@ void Initialize(v8::Local<v8::Object> exports,
   Menu::SetConstructor(isolate, base::Bind(&Menu::New));
 
   mate::Dictionary dict(isolate, exports);
-  dict.Set("Menu", Menu::GetConstructor(isolate)->GetFunction());
+  dict.Set(
+      "Menu",
+      Menu::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
 #if defined(OS_MACOSX)
   dict.SetMethod("setApplicationMenu", &Menu::SetApplicationMenu);
   dict.SetMethod("sendActionToFirstResponder",
@@ -228,4 +256,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_menu, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_menu, Initialize)

atom/browser/api/atom_api_menu.h

@@ -47,12 +47,14 @@ class Menu : public mate::TrackableObject<Menu>,
   bool IsCommandIdChecked(int command_id) const override;
   bool IsCommandIdEnabled(int command_id) const override;
   bool IsCommandIdVisible(int command_id) const override;
+  bool ShouldCommandIdWorkWhenHidden(int command_id) const override;
   bool GetAcceleratorForCommandIdWithParams(
       int command_id,
       bool use_default_accelerator,
       ui::Accelerator* accelerator) const override;
+  bool ShouldRegisterAcceleratorForCommandId(int command_id) const override;
   void ExecuteCommand(int command_id, int event_flags) override;
-  void MenuWillShow(ui::SimpleMenuModel* source) override;
+  void OnMenuWillShow(ui::SimpleMenuModel* source) override;
 
   virtual void PopupAt(TopLevelWindow* window,
                        int x,
@@ -91,16 +93,20 @@ class Menu : public mate::TrackableObject<Menu>,
   int GetCommandIdAt(int index) const;
   base::string16 GetLabelAt(int index) const;
   base::string16 GetSublabelAt(int index) const;
+  base::string16 GetAcceleratorTextAt(int index) const;
   bool IsItemCheckedAt(int index) const;
   bool IsEnabledAt(int index) const;
   bool IsVisibleAt(int index) const;
+  bool WorksWhenHiddenAt(int index) const;
 
   // Stored delegate methods.
   base::Callback<bool(v8::Local<v8::Value>, int)> is_checked_;
   base::Callback<bool(v8::Local<v8::Value>, int)> is_enabled_;
   base::Callback<bool(v8::Local<v8::Value>, int)> is_visible_;
+  base::Callback<bool(v8::Local<v8::Value>, int)> works_when_hidden_;
   base::Callback<v8::Local<v8::Value>(v8::Local<v8::Value>, int, bool)>
       get_accelerator_;
+  base::Callback<bool(v8::Local<v8::Value>, int)> should_register_accelerator_;
   base::Callback<void(v8::Local<v8::Value>, v8::Local<v8::Value>, int)>
       execute_command_;
   base::Callback<void(v8::Local<v8::Value>)> menu_will_show_;

atom/browser/api/atom_api_menu_mac.mm

@@ -6,14 +6,15 @@
 
 #include "atom/browser/native_window.h"
 #include "atom/browser/unresponsive_suppressor.h"
+#include "atom/common/node_includes.h"
 #include "base/mac/scoped_sending_event.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/sys_string_conversions.h"
+#include "base/task/post_task.h"
+#include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 
-#include "atom/common/node_includes.h"
-
 using content::BrowserThread;
 
 namespace {
@@ -43,7 +44,7 @@ void MenuMac::PopupAt(TopLevelWindow* window,
   auto popup = base::Bind(&MenuMac::PopupOnUI, weak_factory_.GetWeakPtr(),
                           native_window->GetWeakPtr(), window->weak_map_id(), x,
                           y, positioning_item, callback);
-  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, popup);
+  base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI}, popup);
 }
 
 void MenuMac::PopupOnUI(const base::WeakPtr<NativeWindow>& native_window,
@@ -54,7 +55,7 @@ void MenuMac::PopupOnUI(const base::WeakPtr<NativeWindow>& native_window,
                         base::Closure callback) {
   if (!native_window)
     return;
-  NSWindow* nswindow = native_window->GetNativeWindow();
+  NSWindow* nswindow = native_window->GetNativeWindow().GetNativeNSWindow();
 
   auto close_callback = base::Bind(
       &MenuMac::OnClosed, weak_factory_.GetWeakPtr(), window_id, callback);
@@ -97,7 +98,7 @@ void MenuMac::PopupOnUI(const base::WeakPtr<NativeWindow>& native_window,
 
   [popup_controllers_[window_id] setCloseCallback:close_callback];
   // Make sure events can be pumped while the menu is up.
-  base::MessageLoop::ScopedNestableTaskAllower allow;
+  base::MessageLoopCurrent::ScopedNestableTaskAllower allow;
 
   // One of the events that could be pumped is |window.close()|.
   // User-initiated event-tracking loops protect against this by

atom/browser/api/atom_api_menu_views.cc

@@ -52,7 +52,7 @@ void MenuViews::PopupAt(TopLevelWindow* window,
       std::make_unique<MenuRunner>(model(), flags, close_callback);
   menu_runners_[window_id]->RunMenuAt(
       native_window->widget(), NULL, gfx::Rect(location, gfx::Size()),
-      views::MENU_ANCHOR_TOPLEFT, ui::MENU_SOURCE_MOUSE);
+      views::MenuAnchorPosition::kTopLeft, ui::MENU_SOURCE_MOUSE);
 }
 
 void MenuViews::ClosePopupAt(int32_t window_id) {

atom/browser/api/atom_api_net.cc

@@ -31,7 +31,9 @@ void Net::BuildPrototype(v8::Isolate* isolate,
 }
 
 v8::Local<v8::Value> Net::URLRequest(v8::Isolate* isolate) {
-  return URLRequest::GetConstructor(isolate)->GetFunction();
+  return URLRequest::GetConstructor(isolate)
+      ->GetFunction(isolate->GetCurrentContext())
+      .ToLocalChecked();
 }
 
 }  // namespace api
@@ -53,9 +55,10 @@ void Initialize(v8::Local<v8::Object> exports,
 
   mate::Dictionary dict(isolate, exports);
   dict.Set("net", Net::Create(isolate));
-  dict.Set("Net", Net::GetConstructor(isolate)->GetFunction());
+  dict.Set("Net",
+           Net::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_net, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_net, Initialize)

atom/browser/api/atom_api_net_log.cc

@@ -7,18 +7,18 @@
 #include <utility>
 
 #include "atom/browser/atom_browser_context.h"
-#include "atom/browser/atom_browser_main_parts.h"
+#include "atom/browser/net/system_network_context_manager.h"
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/file_path_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/command_line.h"
+#include "chrome/browser/browser_process.h"
 #include "components/net_log/chrome_net_log.h"
 #include "content/public/browser/storage_partition.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/handle.h"
 #include "net/url_request/url_request_context_getter.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {
@@ -27,8 +27,8 @@ NetLog::NetLog(v8::Isolate* isolate, AtomBrowserContext* browser_context)
     : browser_context_(browser_context) {
   Init(isolate);
 
-  net_log_writer_ =
-      atom::AtomBrowserMainParts::Get()->net_log()->net_export_file_writer();
+  net_log_writer_ = g_browser_process->system_network_context_manager()
+                        ->GetNetExportFileWriter();
   net_log_writer_->AddObserver(this);
 }
 
@@ -86,19 +86,18 @@ std::string NetLog::GetCurrentlyLoggingPath() const {
   return std::string();
 }
 
-void NetLog::StopLogging(mate::Arguments* args) {
-  net_log::NetExportFileWriter::FilePathCallback callback;
-  if (!args->GetNext(&callback)) {
-    args->ThrowError("Invalid callback function");
-    return;
-  }
+v8::Local<v8::Promise> NetLog::StopLogging(mate::Arguments* args) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
 
   if (IsCurrentlyLogging()) {
-    stop_callback_queue_.emplace_back(callback);
+    stop_callback_queue_.emplace_back(std::move(promise));
     net_log_writer_->StopNetLog(nullptr);
   } else {
-    callback.Run(base::FilePath());
+    promise.Resolve(base::FilePath());
   }
+
+  return handle;
 }
 
 void NetLog::OnNewState(const base::DictionaryValue& state) {
@@ -108,9 +107,12 @@ void NetLog::OnNewState(const base::DictionaryValue& state) {
     return;
 
   if (GetLoggingState() == "NOT_LOGGING") {
-    for (auto& callback : stop_callback_queue_) {
-      if (!callback.is_null())
-        net_log_writer_->GetFilePathToCompletedLog(callback);
+    for (auto& promise : stop_callback_queue_) {
+      // TODO(zcbenz): Remove the use of CopyablePromise when the
+      // GetFilePathToCompletedLog API accepts OnceCallback.
+      net_log_writer_->GetFilePathToCompletedLog(base::Bind(
+          util::CopyablePromise::ResolveCopyablePromise<const base::FilePath&>,
+          util::CopyablePromise(promise)));
     }
     stop_callback_queue_.clear();
   }

atom/browser/api/atom_api_net_log.h

@@ -10,6 +10,7 @@
 #include <string>
 
 #include "atom/browser/api/trackable_object.h"
+#include "atom/common/promise_util.h"
 #include "base/callback.h"
 #include "base/values.h"
 #include "components/net_log/net_export_file_writer.h"
@@ -34,7 +35,7 @@ class NetLog : public mate::TrackableObject<NetLog>,
   std::string GetLoggingState() const;
   bool IsCurrentlyLogging() const;
   std::string GetCurrentlyLoggingPath() const;
-  void StopLogging(mate::Arguments* args);
+  v8::Local<v8::Promise> StopLogging(mate::Arguments* args);
 
  protected:
   explicit NetLog(v8::Isolate* isolate, AtomBrowserContext* browser_context);
@@ -46,8 +47,7 @@ class NetLog : public mate::TrackableObject<NetLog>,
  private:
   AtomBrowserContext* browser_context_;
   net_log::NetExportFileWriter* net_log_writer_;
-  std::list<net_log::NetExportFileWriter::FilePathCallback>
-      stop_callback_queue_;
+  std::list<atom::util::Promise> stop_callback_queue_;
   std::unique_ptr<base::DictionaryValue> net_log_state_;
 
   DISALLOW_COPY_AND_ASSIGN(NetLog);

atom/browser/api/atom_api_notification.cc

@@ -5,27 +5,25 @@
 #include "atom/browser/api/atom_api_notification.h"
 
 #include "atom/browser/api/atom_api_menu.h"
+#include "atom/browser/atom_browser_client.h"
 #include "atom/browser/browser.h"
 #include "atom/common/native_mate_converters/gfx_converter.h"
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/guid.h"
 #include "base/strings/utf_string_conversions.h"
-#include "brightray/browser/browser_client.h"
 #include "native_mate/constructor.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
 #include "url/gurl.h"
-// Must be the last in the includes list.
-// See https://github.com/electron/electron/issues/10363
-#include "atom/common/node_includes.h"
 
 namespace mate {
 template <>
-struct Converter<brightray::NotificationAction> {
+struct Converter<atom::NotificationAction> {
   static bool FromV8(v8::Isolate* isolate,
                      v8::Local<v8::Value> val,
-                     brightray::NotificationAction* out) {
+                     atom::NotificationAction* out) {
     mate::Dictionary dict;
     if (!ConvertFromV8(isolate, val, &dict))
       return false;
@@ -38,7 +36,7 @@ struct Converter<brightray::NotificationAction> {
   }
 
   static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
-                                   brightray::NotificationAction val) {
+                                   atom::NotificationAction val) {
     mate::Dictionary dict = mate::Dictionary::CreateEmpty(isolate);
     dict.Set("text", val.text);
     dict.Set("type", val.type);
@@ -56,7 +54,8 @@ Notification::Notification(v8::Isolate* isolate,
                            mate::Arguments* args) {
   InitWith(isolate, wrapper);
 
-  presenter_ = brightray::BrowserClient::Get()->GetNotificationPresenter();
+  presenter_ = static_cast<AtomBrowserClient*>(AtomBrowserClient::Get())
+                   ->GetNotificationPresenter();
 
   mate::Dictionary opts;
   if (args->GetNext(&opts)) {
@@ -119,7 +118,7 @@ base::string16 Notification::GetSound() const {
   return sound_;
 }
 
-std::vector<brightray::NotificationAction> Notification::GetActions() const {
+std::vector<atom::NotificationAction> Notification::GetActions() const {
   return actions_;
 }
 
@@ -157,7 +156,7 @@ void Notification::SetSound(const base::string16& new_sound) {
 }
 
 void Notification::SetActions(
-    const std::vector<brightray::NotificationAction>& actions) {
+    const std::vector<atom::NotificationAction>& actions) {
   actions_ = actions;
 }
 
@@ -200,7 +199,7 @@ void Notification::Show() {
   if (presenter_) {
     notification_ = presenter_->CreateNotification(this, base::GenerateGUID());
     if (notification_) {
-      brightray::NotificationOptions options;
+      atom::NotificationOptions options;
       options.title = title_;
       options.subtitle = subtitle_;
       options.msg = body_;
@@ -218,7 +217,8 @@ void Notification::Show() {
 }
 
 bool Notification::IsSupported() {
-  return !!brightray::BrowserClient::Get()->GetNotificationPresenter();
+  return !!static_cast<AtomBrowserClient*>(AtomBrowserClient::Get())
+               ->GetNotificationPresenter();
 }
 
 // static
@@ -261,12 +261,13 @@ void Initialize(v8::Local<v8::Object> exports,
   Notification::SetConstructor(isolate, base::Bind(&Notification::New));
 
   mate::Dictionary dict(isolate, exports);
-  dict.Set("Notification",
-           Notification::GetConstructor(isolate)->GetFunction());
+  dict.Set("Notification", Notification::GetConstructor(isolate)
+                               ->GetFunction(context)
+                               .ToLocalChecked());
 
   dict.SetMethod("isSupported", &Notification::IsSupported);
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_common_notification, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_common_notification, Initialize)

atom/browser/api/atom_api_notification.h

@@ -10,10 +10,10 @@
 #include <vector>
 
 #include "atom/browser/api/trackable_object.h"
+#include "atom/browser/notifications/notification.h"
+#include "atom/browser/notifications/notification_delegate.h"
+#include "atom/browser/notifications/notification_presenter.h"
 #include "base/strings/utf_string_conversions.h"
-#include "brightray/browser/notification.h"
-#include "brightray/browser/notification_delegate.h"
-#include "brightray/browser/notification_presenter.h"
 #include "native_mate/handle.h"
 #include "ui/gfx/image/image.h"
 
@@ -22,7 +22,7 @@ namespace atom {
 namespace api {
 
 class Notification : public mate::TrackableObject<Notification>,
-                     public brightray::NotificationDelegate {
+                     public NotificationDelegate {
  public:
   static mate::WrappableBase* New(mate::Arguments* args);
   static bool IsSupported();
@@ -55,7 +55,7 @@ class Notification : public mate::TrackableObject<Notification>,
   bool GetHasReply() const;
   base::string16 GetReplyPlaceholder() const;
   base::string16 GetSound() const;
-  std::vector<brightray::NotificationAction> GetActions() const;
+  std::vector<atom::NotificationAction> GetActions() const;
   base::string16 GetCloseButtonText() const;
 
   // Prop Setters
@@ -66,7 +66,7 @@ class Notification : public mate::TrackableObject<Notification>,
   void SetHasReply(bool new_has_reply);
   void SetReplyPlaceholder(const base::string16& new_reply_placeholder);
   void SetSound(const base::string16& sound);
-  void SetActions(const std::vector<brightray::NotificationAction>& actions);
+  void SetActions(const std::vector<atom::NotificationAction>& actions);
   void SetCloseButtonText(const base::string16& text);
 
  private:
@@ -80,12 +80,12 @@ class Notification : public mate::TrackableObject<Notification>,
   bool has_reply_ = false;
   base::string16 reply_placeholder_;
   base::string16 sound_;
-  std::vector<brightray::NotificationAction> actions_;
+  std::vector<atom::NotificationAction> actions_;
   base::string16 close_button_text_;
 
-  brightray::NotificationPresenter* presenter_;
+  atom::NotificationPresenter* presenter_;
 
-  base::WeakPtr<brightray::Notification> notification_;
+  base::WeakPtr<atom::Notification> notification_;
 
   DISALLOW_COPY_AND_ASSIGN(Notification);
 };

atom/browser/api/atom_api_power_monitor.cc

@@ -6,12 +6,11 @@
 
 #include "atom/browser/browser.h"
 #include "atom/common/native_mate_converters/callback.h"
+#include "atom/common/node_includes.h"
 #include "base/power_monitor/power_monitor.h"
 #include "base/power_monitor/power_monitor_device_source.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 template <>
 struct Converter<ui::IdleState> {
@@ -84,19 +83,19 @@ void PowerMonitor::OnResume() {
   Emit("resume");
 }
 
-void PowerMonitor::QuerySystemIdleState(v8::Isolate* isolate,
-                                        int idle_threshold,
-                                        const ui::IdleCallback& callback) {
+ui::IdleState PowerMonitor::GetSystemIdleState(v8::Isolate* isolate,
+                                               int idle_threshold) {
   if (idle_threshold > 0) {
-    ui::CalculateIdleState(idle_threshold, callback);
+    return ui::CalculateIdleState(idle_threshold);
   } else {
     isolate->ThrowException(v8::Exception::TypeError(mate::StringToV8(
         isolate, "Invalid idle threshold, must be greater than 0")));
+    return ui::IDLE_STATE_UNKNOWN;
   }
 }
 
-void PowerMonitor::QuerySystemIdleTime(const ui::IdleTimeCallback& callback) {
-  ui::CalculateIdleTime(callback);
+int PowerMonitor::GetSystemIdleTime() {
+  return ui::CalculateIdleTime();
 }
 
 // static
@@ -122,8 +121,8 @@ void PowerMonitor::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("blockShutdown", &PowerMonitor::BlockShutdown)
       .SetMethod("unblockShutdown", &PowerMonitor::UnblockShutdown)
 #endif
-      .SetMethod("querySystemIdleState", &PowerMonitor::QuerySystemIdleState)
-      .SetMethod("querySystemIdleTime", &PowerMonitor::QuerySystemIdleTime);
+      .SetMethod("getSystemIdleState", &PowerMonitor::GetSystemIdleState)
+      .SetMethod("getSystemIdleTime", &PowerMonitor::GetSystemIdleTime);
 }
 
 }  // namespace api
@@ -141,10 +140,11 @@ void Initialize(v8::Local<v8::Object> exports,
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary dict(isolate, exports);
   dict.Set("powerMonitor", PowerMonitor::Create(isolate));
-  dict.Set("PowerMonitor",
-           PowerMonitor::GetConstructor(isolate)->GetFunction());
+  dict.Set("PowerMonitor", PowerMonitor::GetConstructor(isolate)
+                               ->GetFunction(context)
+                               .ToLocalChecked());
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_power_monitor, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_power_monitor, Initialize)

atom/browser/api/atom_api_power_monitor.h

@@ -46,10 +46,8 @@ class PowerMonitor : public mate::TrackableObject<PowerMonitor>,
   void OnResume() override;
 
  private:
-  void QuerySystemIdleState(v8::Isolate* isolate,
-                            int idle_threshold,
-                            const ui::IdleCallback& callback);
-  void QuerySystemIdleTime(const ui::IdleTimeCallback& callback);
+  ui::IdleState GetSystemIdleState(v8::Isolate* isolate, int idle_threshold);
+  int GetSystemIdleTime();
 
 #if defined(OS_WIN)
   // Static callback invoked when a message comes in to our messaging window.

atom/browser/api/atom_api_power_save_blocker.cc

@@ -6,11 +6,14 @@
 
 #include <string>
 
-#include "base/task_scheduler/post_task.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "base/task/post_task.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "content/public/common/service_manager_connection.h"
+#include "native_mate/dictionary.h"
+#include "services/device/public/mojom/constants.mojom.h"
+#include "services/device/public/mojom/wake_lock_provider.mojom.h"
+#include "services/service_manager/public/cpp/connector.h"
 
 namespace mate {
 
@@ -39,16 +42,19 @@ namespace atom {
 namespace api {
 
 PowerSaveBlocker::PowerSaveBlocker(v8::Isolate* isolate)
-    : current_blocker_type_(
-          device::mojom::WakeLockType::kPreventAppSuspension) {
+    : current_lock_type_(device::mojom::WakeLockType::kPreventAppSuspension),
+      is_wake_lock_active_(false) {
   Init(isolate);
 }
 
 PowerSaveBlocker::~PowerSaveBlocker() {}
 
 void PowerSaveBlocker::UpdatePowerSaveBlocker() {
-  if (power_save_blocker_types_.empty()) {
-    power_save_blocker_.reset();
+  if (wake_lock_types_.empty()) {
+    if (is_wake_lock_active_) {
+      GetWakeLock()->CancelWakeLock();
+      is_wake_lock_active_ = false;
+    }
     return;
   }
 
@@ -58,45 +64,57 @@ void PowerSaveBlocker::UpdatePowerSaveBlocker() {
   // higher precedence level than |WakeLockType::kPreventAppSuspension|.
   //
   // Only the highest-precedence blocker type takes effect.
-  device::mojom::WakeLockType new_blocker_type =
+  device::mojom::WakeLockType new_lock_type =
       device::mojom::WakeLockType::kPreventAppSuspension;
-  for (const auto& element : power_save_blocker_types_) {
+  for (const auto& element : wake_lock_types_) {
     if (element.second == device::mojom::WakeLockType::kPreventDisplaySleep) {
-      new_blocker_type = device::mojom::WakeLockType::kPreventDisplaySleep;
+      new_lock_type = device::mojom::WakeLockType::kPreventDisplaySleep;
       break;
     }
   }
 
-  if (!power_save_blocker_ || new_blocker_type != current_blocker_type_) {
-    auto new_blocker = std::make_unique<device::PowerSaveBlocker>(
-        new_blocker_type, device::mojom::WakeLockReason::kOther,
-        ATOM_PRODUCT_NAME, base::ThreadTaskRunnerHandle::Get(),
-        // This task runner may be used by some device service
-        // implementation bits to interface with dbus client code, which in
-        // turn imposes some subtle thread affinity on the clients. We
-        // therefore require a single-thread runner.
-        base::CreateSingleThreadTaskRunnerWithTraits(
-            {base::MayBlock(), base::TaskPriority::BACKGROUND}));
-    power_save_blocker_.swap(new_blocker);
-    current_blocker_type_ = new_blocker_type;
+  if (current_lock_type_ != new_lock_type) {
+    GetWakeLock()->ChangeType(new_lock_type, base::DoNothing());
+    current_lock_type_ = new_lock_type;
   }
+  if (!is_wake_lock_active_) {
+    GetWakeLock()->RequestWakeLock();
+    is_wake_lock_active_ = true;
+  }
+}
+
+device::mojom::WakeLock* PowerSaveBlocker::GetWakeLock() {
+  if (!wake_lock_) {
+    device::mojom::WakeLockProviderPtr wake_lock_provider;
+    DCHECK(content::ServiceManagerConnection::GetForProcess());
+    auto* connector =
+        content::ServiceManagerConnection::GetForProcess()->GetConnector();
+    connector->BindInterface(device::mojom::kServiceName,
+                             mojo::MakeRequest(&wake_lock_provider));
+
+    wake_lock_provider->GetWakeLockWithoutContext(
+        device::mojom::WakeLockType::kPreventAppSuspension,
+        device::mojom::WakeLockReason::kOther, ATOM_PRODUCT_NAME,
+        mojo::MakeRequest(&wake_lock_));
+  }
+  return wake_lock_.get();
 }
 
 int PowerSaveBlocker::Start(device::mojom::WakeLockType type) {
   static int count = 0;
-  power_save_blocker_types_[count] = type;
+  wake_lock_types_[count] = type;
   UpdatePowerSaveBlocker();
   return count++;
 }
 
 bool PowerSaveBlocker::Stop(int id) {
-  bool success = power_save_blocker_types_.erase(id) > 0;
+  bool success = wake_lock_types_.erase(id) > 0;
   UpdatePowerSaveBlocker();
   return success;
 }
 
 bool PowerSaveBlocker::IsStarted(int id) {
-  return power_save_blocker_types_.find(id) != power_save_blocker_types_.end();
+  return wake_lock_types_.find(id) != wake_lock_types_.end();
 }
 
 // static
@@ -132,4 +150,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_power_save_blocker, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_power_save_blocker, Initialize)

atom/browser/api/atom_api_power_save_blocker.h

@@ -10,7 +10,7 @@
 
 #include "atom/browser/api/trackable_object.h"
 #include "native_mate/handle.h"
-#include "services/device/wake_lock/power_save_blocker/power_save_blocker.h"
+#include "services/device/public/mojom/wake_lock.mojom.h"
 
 namespace mate {
 class Dictionary;
@@ -37,14 +37,19 @@ class PowerSaveBlocker : public mate::TrackableObject<PowerSaveBlocker> {
   bool Stop(int id);
   bool IsStarted(int id);
 
-  std::unique_ptr<device::PowerSaveBlocker> power_save_blocker_;
+  device::mojom::WakeLock* GetWakeLock();
 
-  // Current blocker type used by |power_save_blocker_|
-  device::mojom::WakeLockType current_blocker_type_;
+  // Current wake lock level.
+  device::mojom::WakeLockType current_lock_type_;
+
+  // Whether the wake lock is currently active.
+  bool is_wake_lock_active_;
 
   // Map from id to the corresponding blocker type for each request.
   using WakeLockTypeMap = std::map<int, device::mojom::WakeLockType>;
-  WakeLockTypeMap power_save_blocker_types_;
+  WakeLockTypeMap wake_lock_types_;
+
+  device::mojom::WakeLockPtr wake_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(PowerSaveBlocker);
 };

atom/browser/api/atom_api_protocol.cc

@@ -24,47 +24,119 @@
 
 using content::BrowserThread;
 
-namespace atom {
-
-namespace api {
-
 namespace {
 
 // List of registered custom standard schemes.
 std::vector<std::string> g_standard_schemes;
 
+struct SchemeOptions {
+  bool standard = false;
+  bool secure = false;
+  bool bypassCSP = false;
+  bool allowServiceWorkers = false;
+  bool supportFetchAPI = false;
+  bool corsEnabled = false;
+};
+
+struct CustomScheme {
+  std::string scheme;
+  SchemeOptions options;
+};
+
 }  // namespace
 
+namespace mate {
+
+template <>
+struct Converter<CustomScheme> {
+  static bool FromV8(v8::Isolate* isolate,
+                     v8::Local<v8::Value> val,
+                     CustomScheme* out) {
+    mate::Dictionary dict;
+    if (!ConvertFromV8(isolate, val, &dict))
+      return false;
+    if (!dict.Get("scheme", &(out->scheme)))
+      return false;
+    mate::Dictionary opt;
+    // options are optional. Default values specified in SchemeOptions are used
+    if (dict.Get("privileges", &opt)) {
+      opt.Get("standard", &(out->options.standard));
+      opt.Get("supportFetchAPI", &(out->options.supportFetchAPI));
+      opt.Get("secure", &(out->options.secure));
+      opt.Get("bypassCSP", &(out->options.bypassCSP));
+      opt.Get("allowServiceWorkers", &(out->options.allowServiceWorkers));
+      opt.Get("supportFetchAPI", &(out->options.supportFetchAPI));
+      opt.Get("corsEnabled", &(out->options.corsEnabled));
+    }
+    return true;
+  }
+};
+
+}  // namespace mate
+
+namespace atom {
+
+namespace api {
+
 std::vector<std::string> GetStandardSchemes() {
   return g_standard_schemes;
 }
 
-void RegisterStandardSchemes(const std::vector<std::string>& schemes,
-                             mate::Arguments* args) {
-  g_standard_schemes = schemes;
+void RegisterSchemesAsPrivileged(v8::Local<v8::Value> val,
+                                 mate::Arguments* args) {
+  std::vector<CustomScheme> custom_schemes;
+  if (!mate::ConvertFromV8(args->isolate(), val, &custom_schemes)) {
+    args->ThrowError("Argument must be an array of custom schemes.");
+    return;
+  }
 
-  mate::Dictionary opts;
-  bool secure = false;
-  args->GetNext(&opts) && opts.Get("secure", &secure);
-
-  // Dynamically register the schemes.
-  auto* policy = content::ChildProcessSecurityPolicy::GetInstance();
-  for (const std::string& scheme : schemes) {
-    url::AddStandardScheme(scheme.c_str(), url::SCHEME_WITH_HOST);
-    if (secure) {
-      url::AddSecureScheme(scheme.c_str());
+  std::vector<std::string> secure_schemes, cspbypassing_schemes, fetch_schemes,
+      service_worker_schemes, cors_schemes;
+  for (const auto& custom_scheme : custom_schemes) {
+    // Register scheme to privileged list (https, wss, data, chrome-extension)
+    if (custom_scheme.options.standard) {
+      auto* policy = content::ChildProcessSecurityPolicy::GetInstance();
+      url::AddStandardScheme(custom_scheme.scheme.c_str(),
+                             url::SCHEME_WITH_HOST);
+      g_standard_schemes.push_back(custom_scheme.scheme);
+      policy->RegisterWebSafeScheme(custom_scheme.scheme);
+    }
+    if (custom_scheme.options.secure) {
+      secure_schemes.push_back(custom_scheme.scheme);
+      url::AddSecureScheme(custom_scheme.scheme.c_str());
+    }
+    if (custom_scheme.options.bypassCSP) {
+      cspbypassing_schemes.push_back(custom_scheme.scheme);
+      url::AddCSPBypassingScheme(custom_scheme.scheme.c_str());
+    }
+    if (custom_scheme.options.corsEnabled) {
+      cors_schemes.push_back(custom_scheme.scheme);
+      url::AddCorsEnabledScheme(custom_scheme.scheme.c_str());
+    }
+    if (custom_scheme.options.supportFetchAPI) {
+      fetch_schemes.push_back(custom_scheme.scheme);
+    }
+    if (custom_scheme.options.allowServiceWorkers) {
+      service_worker_schemes.push_back(custom_scheme.scheme);
     }
-    policy->RegisterWebSafeScheme(scheme);
   }
 
-  // Add the schemes to command line switches, so child processes can also
-  // register them.
-  base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      atom::switches::kStandardSchemes, base::JoinString(schemes, ","));
-  if (secure) {
+  const auto AppendSchemesToCmdLine = [](const char* switch_name,
+                                         std::vector<std::string> schemes) {
+    // Add the schemes to command line switches, so child processes can also
+    // register them.
     base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-        atom::switches::kSecureSchemes, base::JoinString(schemes, ","));
-  }
+        switch_name, base::JoinString(schemes, ","));
+  };
+
+  AppendSchemesToCmdLine(atom::switches::kSecureSchemes, secure_schemes);
+  AppendSchemesToCmdLine(atom::switches::kBypassCSPSchemes,
+                         cspbypassing_schemes);
+  AppendSchemesToCmdLine(atom::switches::kCORSSchemes, cors_schemes);
+  AppendSchemesToCmdLine(atom::switches::kFetchSchemes, fetch_schemes);
+  AppendSchemesToCmdLine(atom::switches::kServiceWorkerSchemes,
+                         service_worker_schemes);
+  AppendSchemesToCmdLine(atom::switches::kStandardSchemes, g_standard_schemes);
 }
 
 Protocol::Protocol(v8::Isolate* isolate, AtomBrowserContext* browser_context)
@@ -73,20 +145,14 @@ Protocol::Protocol(v8::Isolate* isolate, AtomBrowserContext* browser_context)
 }
 
 Protocol::~Protocol() {}
-
-void Protocol::RegisterServiceWorkerSchemes(
-    const std::vector<std::string>& schemes) {
-  atom::AtomBrowserClient::SetCustomServiceWorkerSchemes(schemes);
-}
-
 void Protocol::UnregisterProtocol(const std::string& scheme,
                                   mate::Arguments* args) {
   CompletionCallback callback;
   args->GetNext(&callback);
   auto* getter = static_cast<URLRequestContextGetter*>(
       browser_context_->GetRequestContext());
-  content::BrowserThread::PostTaskAndReplyWithResult(
-      content::BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraitsAndReplyWithResult(
+      FROM_HERE, {content::BrowserThread::IO},
       base::BindOnce(&Protocol::UnregisterProtocolInIO,
                      base::RetainedRef(getter), scheme),
       base::BindOnce(&Protocol::OnIOCompleted, GetWeakPtr(), callback));
@@ -103,22 +169,26 @@ Protocol::ProtocolError Protocol::UnregisterProtocolInIO(
   return PROTOCOL_OK;
 }
 
-void Protocol::IsProtocolHandled(const std::string& scheme,
-                                 const BooleanCallback& callback) {
-  auto* getter = static_cast<URLRequestContextGetter*>(
-      browser_context_->GetRequestContext());
-  content::BrowserThread::PostTaskAndReplyWithResult(
-      content::BrowserThread::IO, FROM_HERE,
-      base::Bind(&Protocol::IsProtocolHandledInIO, base::RetainedRef(getter),
-                 scheme),
-      callback);
-}
-
-// static
-bool Protocol::IsProtocolHandledInIO(
+bool IsProtocolHandledInIO(
     scoped_refptr<URLRequestContextGetter> request_context_getter,
     const std::string& scheme) {
-  return request_context_getter->job_factory()->IsHandledProtocol(scheme);
+  bool is_handled =
+      request_context_getter->job_factory()->IsHandledProtocol(scheme);
+  return is_handled;
+}
+
+v8::Local<v8::Promise> Protocol::IsProtocolHandled(const std::string& scheme) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+  auto* getter = static_cast<URLRequestContextGetter*>(
+      browser_context_->GetRequestContext());
+
+  base::PostTaskWithTraitsAndReplyWithResult(
+      FROM_HERE, {content::BrowserThread::IO},
+      base::BindOnce(&IsProtocolHandledInIO, base::RetainedRef(getter), scheme),
+      base::BindOnce(util::Promise::ResolvePromise<bool>, std::move(promise)));
+
+  return handle;
 }
 
 void Protocol::UninterceptProtocol(const std::string& scheme,
@@ -127,8 +197,8 @@ void Protocol::UninterceptProtocol(const std::string& scheme,
   args->GetNext(&callback);
   auto* getter = static_cast<URLRequestContextGetter*>(
       browser_context_->GetRequestContext());
-  content::BrowserThread::PostTaskAndReplyWithResult(
-      content::BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraitsAndReplyWithResult(
+      FROM_HERE, {content::BrowserThread::IO},
       base::BindOnce(&Protocol::UninterceptProtocolInIO,
                      base::RetainedRef(getter), scheme),
       base::BindOnce(&Protocol::OnIOCompleted, GetWeakPtr(), callback));
@@ -188,8 +258,6 @@ void Protocol::BuildPrototype(v8::Isolate* isolate,
                               v8::Local<v8::FunctionTemplate> prototype) {
   prototype->SetClassName(mate::StringToV8(isolate, "Protocol"));
   mate::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
-      .SetMethod("registerServiceWorkerSchemes",
-                 &Protocol::RegisterServiceWorkerSchemes)
       .SetMethod("registerStringProtocol",
                  &Protocol::RegisterProtocol<URLRequestStringJob>)
       .SetMethod("registerBufferProtocol",
@@ -221,16 +289,16 @@ void Protocol::BuildPrototype(v8::Isolate* isolate,
 
 namespace {
 
-void RegisterStandardSchemes(const std::vector<std::string>& schemes,
-                             mate::Arguments* args) {
+void RegisterSchemesAsPrivileged(v8::Local<v8::Value> val,
+                                 mate::Arguments* args) {
   if (atom::Browser::Get()->is_ready()) {
     args->ThrowError(
-        "protocol.registerStandardSchemes should be called before "
+        "protocol.registerSchemesAsPrivileged should be called before "
         "app is ready");
     return;
   }
 
-  atom::api::RegisterStandardSchemes(schemes, args);
+  atom::api::RegisterSchemesAsPrivileged(val, args);
 }
 
 void Initialize(v8::Local<v8::Object> exports,
@@ -239,10 +307,10 @@ void Initialize(v8::Local<v8::Object> exports,
                 void* priv) {
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary dict(isolate, exports);
-  dict.SetMethod("registerStandardSchemes", &RegisterStandardSchemes);
+  dict.SetMethod("registerSchemesAsPrivileged", &RegisterSchemesAsPrivileged);
   dict.SetMethod("getStandardSchemes", &atom::api::GetStandardSchemes);
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_protocol, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_protocol, Initialize)

atom/browser/api/atom_api_protocol.h

@@ -14,8 +14,11 @@
 #include "atom/browser/api/trackable_object.h"
 #include "atom/browser/atom_browser_context.h"
 #include "atom/browser/net/atom_url_request_job_factory.h"
+#include "atom/common/promise_util.h"
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
+#include "base/task/post_task.h"
+#include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
 #include "native_mate/arguments.h"
 #include "native_mate/dictionary.h"
@@ -31,15 +34,15 @@ namespace atom {
 namespace api {
 
 std::vector<std::string> GetStandardSchemes();
-void RegisterStandardSchemes(const std::vector<std::string>& schemes,
-                             mate::Arguments* args);
+
+void RegisterSchemesAsPrivileged(v8::Local<v8::Value> val,
+                                 mate::Arguments* args);
 
 class Protocol : public mate::TrackableObject<Protocol> {
  public:
   using Handler =
       base::Callback<void(const base::DictionaryValue&, v8::Local<v8::Value>)>;
   using CompletionCallback = base::Callback<void(v8::Local<v8::Value>)>;
-  using BooleanCallback = base::Callback<void(bool)>;
 
   static mate::Handle<Protocol> Create(v8::Isolate* isolate,
                                        AtomBrowserContext* browser_context);
@@ -92,9 +95,6 @@ class Protocol : public mate::TrackableObject<Protocol> {
     DISALLOW_COPY_AND_ASSIGN(CustomProtocolHandler);
   };
 
-  // Register schemes that can handle service worker.
-  void RegisterServiceWorkerSchemes(const std::vector<std::string>& schemes);
-
   // Register the protocol with certain request job.
   template <typename RequestJob>
   void RegisterProtocol(const std::string& scheme,
@@ -104,8 +104,8 @@ class Protocol : public mate::TrackableObject<Protocol> {
     args->GetNext(&callback);
     auto* getter = static_cast<URLRequestContextGetter*>(
         browser_context_->GetRequestContext());
-    content::BrowserThread::PostTaskAndReplyWithResult(
-        content::BrowserThread::IO, FROM_HERE,
+    base::PostTaskWithTraitsAndReplyWithResult(
+        FROM_HERE, {content::BrowserThread::IO},
         base::BindOnce(&Protocol::RegisterProtocolInIO<RequestJob>,
                        base::RetainedRef(getter), isolate(), scheme, handler),
         base::BindOnce(&Protocol::OnIOCompleted, GetWeakPtr(), callback));
@@ -134,11 +134,7 @@ class Protocol : public mate::TrackableObject<Protocol> {
       const std::string& scheme);
 
   // Whether the protocol has handler registered.
-  void IsProtocolHandled(const std::string& scheme,
-                         const BooleanCallback& callback);
-  static bool IsProtocolHandledInIO(
-      scoped_refptr<URLRequestContextGetter> request_context_getter,
-      const std::string& scheme);
+  v8::Local<v8::Promise> IsProtocolHandled(const std::string& scheme);
 
   // Replace the protocol handler with a new one.
   template <typename RequestJob>
@@ -149,8 +145,8 @@ class Protocol : public mate::TrackableObject<Protocol> {
     args->GetNext(&callback);
     auto* getter = static_cast<URLRequestContextGetter*>(
         browser_context_->GetRequestContext());
-    content::BrowserThread::PostTaskAndReplyWithResult(
-        content::BrowserThread::IO, FROM_HERE,
+    base::PostTaskWithTraitsAndReplyWithResult(
+        FROM_HERE, {content::BrowserThread::IO},
         base::BindOnce(&Protocol::InterceptProtocolInIO<RequestJob>,
                        base::RetainedRef(getter), isolate(), scheme, handler),
         base::BindOnce(&Protocol::OnIOCompleted, GetWeakPtr(), callback));

atom/browser/api/atom_api_render_process_preferences.cc

@@ -7,12 +7,11 @@
 #include "atom/browser/api/atom_api_web_contents.h"
 #include "atom/browser/atom_browser_client.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "content/public/browser/render_process_host.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {
@@ -26,7 +25,7 @@ bool IsWebContents(v8::Isolate* isolate, content::RenderProcessHost* process) {
   if (!web_contents)
     return false;
 
-  auto api_web_contents = WebContents::CreateFrom(isolate, web_contents);
+  auto api_web_contents = WebContents::FromOrCreate(isolate, web_contents);
   auto type = api_web_contents->GetType();
   return type == WebContents::Type::BROWSER_WINDOW ||
          type == WebContents::Type::WEB_VIEW;
@@ -87,5 +86,5 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_render_process_preferences,
-                                  Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_render_process_preferences,
+                                 Initialize)

atom/browser/api/atom_api_screen.cc

@@ -10,6 +10,7 @@
 #include "atom/browser/api/atom_api_browser_window.h"
 #include "atom/browser/browser.h"
 #include "atom/common/native_mate_converters/gfx_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/bind.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
@@ -21,8 +22,6 @@
 #include "ui/display/win/screen_win.h"
 #endif
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {
@@ -164,9 +163,11 @@ void Initialize(v8::Local<v8::Object> exports,
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary dict(isolate, exports);
   dict.Set("screen", Screen::Create(isolate));
-  dict.Set("Screen", Screen::GetConstructor(isolate)->GetFunction());
+  dict.Set(
+      "Screen",
+      Screen::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_common_screen, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_common_screen, Initialize)

atom/browser/api/atom_api_session.cc

@@ -19,6 +19,7 @@
 #include "atom/browser/atom_browser_main_parts.h"
 #include "atom/browser/atom_permission_manager.h"
 #include "atom/browser/browser.h"
+#include "atom/browser/media/media_device_id_salt.h"
 #include "atom/browser/net/atom_cert_verifier.h"
 #include "atom/browser/session_preferences.h"
 #include "atom/common/native_mate_converters/callback.h"
@@ -27,11 +28,12 @@
 #include "atom/common/native_mate_converters/gurl_converter.h"
 #include "atom/common/native_mate_converters/net_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/files/file_path.h"
 #include "base/guid.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
-#include "brightray/browser/media/media_device_id_salt.h"
+#include "base/task/post_task.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/pref_names.h"
 #include "components/download/public/common/download_danger_type.h"
@@ -39,15 +41,17 @@
 #include "components/prefs/value_map_pref_store.h"
 #include "components/proxy_config/proxy_config_dictionary.h"
 #include "components/proxy_config/proxy_config_pref_names.h"
+#include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/download_item_utils.h"
 #include "content/public/browser/download_manager_delegate.h"
 #include "content/public/browser/storage_partition.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
+#include "net/base/completion_repeating_callback.h"
 #include "net/base/load_flags.h"
 #include "net/disk_cache/disk_cache.h"
-#include "net/dns/host_cache.h"
+#include "net/dns/host_cache.h"  // nogncheck
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_auth_preferences.h"
 #include "net/http/http_cache.h"
@@ -57,9 +61,6 @@
 #include "net/url_request/url_request_context_getter.h"
 #include "ui/base/l10n/l10n_util.h"
 
-#include "atom/common/node_includes.h"
-
-using atom::api::Cookies;
 using content::BrowserThread;
 using content::StoragePartition;
 
@@ -209,27 +210,32 @@ const char kPersistPrefix[] = "persist:";
 // Referenced session objects.
 std::map<uint32_t, v8::Global<v8::Object>> g_sessions;
 
-// Runs the callback in UI thread.
-void RunCallbackInUI(const base::Callback<void()>& callback) {
-  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, callback);
-}
-template <typename... T>
-void RunCallbackInUI(const base::Callback<void(T...)>& callback, T... result) {
-  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                          base::BindOnce(callback, result...));
+void ResolveOrRejectPromiseInUI(util::Promise promise, int net_error) {
+  if (net_error != net::OK) {
+    std::string err_msg = net::ErrorToString(net_error);
+    util::Promise::RejectPromise(std::move(promise), std::move(err_msg));
+  } else {
+    util::Promise::ResolveEmptyPromise(std::move(promise));
+  }
 }
 
 // Callback of HttpCache::GetBackend.
 void OnGetBackend(disk_cache::Backend** backend_ptr,
                   Session::CacheAction action,
-                  const net::CompletionCallback& callback,
+                  const util::CopyablePromise& promise,
                   int result) {
   if (result != net::OK) {
-    RunCallbackInUI(callback, result);
+    std::string err_msg =
+        "Failed to retrieve cache backend: " + net::ErrorToString(result);
+    util::Promise::RejectPromise(promise.GetPromise(), std::move(err_msg));
   } else if (backend_ptr && *backend_ptr) {
     if (action == Session::CacheAction::CLEAR) {
-      (*backend_ptr)
-          ->DoomAllEntries(base::Bind(&RunCallbackInUI<int>, callback));
+      auto success =
+          (*backend_ptr)
+              ->DoomAllEntries(base::BindOnce(&ResolveOrRejectPromiseInUI,
+                                              promise.GetPromise()));
+      if (success != net::ERR_IO_PENDING)
+        ResolveOrRejectPromiseInUI(promise.GetPromise(), success);
     } else if (action == Session::CacheAction::STATS) {
       base::StringPairs stats;
       (*backend_ptr)->GetStats(&stats);
@@ -237,30 +243,35 @@ void OnGetBackend(disk_cache::Backend** backend_ptr,
         if (stat.first == "Current size") {
           int current_size;
           base::StringToInt(stat.second, &current_size);
-          RunCallbackInUI(callback, current_size);
+          util::Promise::ResolvePromise<int>(promise.GetPromise(),
+                                             current_size);
           break;
         }
       }
     }
-  } else {
-    RunCallbackInUI<int>(callback, net::ERR_FAILED);
   }
 }
 
 void DoCacheActionInIO(
     const scoped_refptr<net::URLRequestContextGetter>& context_getter,
     Session::CacheAction action,
-    const net::CompletionCallback& callback) {
+    util::Promise promise) {
   auto* request_context = context_getter->GetURLRequestContext();
+
   auto* http_cache = request_context->http_transaction_factory()->GetCache();
-  if (!http_cache)
-    RunCallbackInUI<int>(callback, net::ERR_FAILED);
+  if (!http_cache) {
+    std::string err_msg =
+        "Failed to retrieve cache: " + net::ErrorToString(net::ERR_FAILED);
+    util::Promise::RejectPromise(std::move(promise), std::move(err_msg));
+    return;
+  }
 
   // Call GetBackend and make the backend's ptr accessable in OnGetBackend.
   using BackendPtr = disk_cache::Backend*;
   auto** backend_ptr = new BackendPtr(nullptr);
-  net::CompletionCallback on_get_backend =
-      base::Bind(&OnGetBackend, base::Owned(backend_ptr), action, callback);
+  net::CompletionRepeatingCallback on_get_backend =
+      base::Bind(&OnGetBackend, base::Owned(backend_ptr), action,
+                 util::CopyablePromise(promise));
   int rv = http_cache->GetBackend(backend_ptr, on_get_backend);
   if (rv != net::ERR_IO_PENDING)
     on_get_backend.Run(net::OK);
@@ -276,21 +287,22 @@ void SetCertVerifyProcInIO(
 
 void ClearHostResolverCacheInIO(
     const scoped_refptr<net::URLRequestContextGetter>& context_getter,
-    const base::Closure& callback) {
+    util::Promise promise) {
   auto* request_context = context_getter->GetURLRequestContext();
   auto* cache = request_context->host_resolver()->GetHostCache();
   if (cache) {
     cache->clear();
     DCHECK_EQ(0u, cache->size());
-    if (!callback.is_null())
-      RunCallbackInUI(callback);
+    base::PostTaskWithTraits(
+        FROM_HERE, {BrowserThread::UI},
+        base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
   }
 }
 
 void ClearAuthCacheInIO(
     const scoped_refptr<net::URLRequestContextGetter>& context_getter,
     const ClearAuthCacheOptions& options,
-    const base::Closure& callback) {
+    util::Promise promise) {
   auto* request_context = context_getter->GetURLRequestContext();
   auto* network_session =
       request_context->http_transaction_factory()->GetSession();
@@ -310,8 +322,9 @@ void ClearAuthCacheInIO(
     }
     network_session->CloseAllConnections();
   }
-  if (!callback.is_null())
-    RunCallbackInUI(callback);
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::UI},
+      base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
 }
 
 void AllowNTLMCredentialsForDomainsInIO(
@@ -327,11 +340,6 @@ void AllowNTLMCredentialsForDomainsInIO(
   }
 }
 
-void OnClearStorageDataDone(const base::Closure& callback) {
-  if (!callback.is_null())
-    callback.Run();
-}
-
 void DownloadIdCallback(content::DownloadManager* download_manager,
                         const base::FilePath& path,
                         const std::vector<GURL>& url_chain,
@@ -344,8 +352,8 @@ void DownloadIdCallback(content::DownloadManager* download_manager,
                         uint32_t id) {
   download_manager->CreateDownloadItem(
       base::GenerateGUID(), id, path, path, url_chain, GURL(), GURL(), GURL(),
-      GURL(), mime_type, mime_type, start_time, base::Time(), etag,
-      last_modified, offset, length, std::string(),
+      GURL(), base::nullopt, mime_type, mime_type, start_time, base::Time(),
+      etag, last_modified, offset, length, std::string(),
       download::DownloadItem::INTERRUPTED,
       download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
       download::DOWNLOAD_INTERRUPT_REASON_NETWORK_TIMEOUT, false, base::Time(),
@@ -358,8 +366,9 @@ void DestroyGlobalHandle(v8::Isolate* isolate,
   v8::HandleScope handle_scope(isolate);
   if (!global_handle.IsEmpty()) {
     v8::Local<v8::Value> local_handle = global_handle.Get(isolate);
-    if (local_handle->IsObject()) {
-      v8::Local<v8::Object> object = local_handle->ToObject();
+    v8::Local<v8::Object> object;
+    if (local_handle->IsObject() &&
+        local_handle->ToObject(isolate->GetCurrentContext()).ToLocal(&object)) {
       void* ptr = object->GetAlignedPointerFromInternalField(0);
       if (!ptr)
         return;
@@ -413,39 +422,59 @@ void Session::OnDownloadCreated(content::DownloadManager* manager,
   }
 }
 
-void Session::ResolveProxy(
-    const GURL& url,
-    const ResolveProxyHelper::ResolveProxyCallback& callback) {
-  browser_context_->GetResolveProxyHelper()->ResolveProxy(url, callback);
+v8::Local<v8::Promise> Session::ResolveProxy(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  GURL url;
+  args->GetNext(&url);
+
+  browser_context_->GetResolveProxyHelper()->ResolveProxy(
+      url,
+      base::Bind(util::CopyablePromise::ResolveCopyablePromise<std::string>,
+                 util::CopyablePromise(promise)));
+
+  return handle;
 }
 
 template <Session::CacheAction action>
-void Session::DoCacheAction(const net::CompletionCallback& callback) {
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+v8::Local<v8::Promise> Session::DoCacheAction() {
+  v8::Isolate* isolate = v8::Isolate::GetCurrent();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&DoCacheActionInIO,
                      WrapRefCounted(browser_context_->GetRequestContext()),
-                     action, callback));
+                     action, std::move(promise)));
+
+  return handle;
 }
 
-void Session::ClearStorageData(mate::Arguments* args) {
-  // clearStorageData([options, callback])
+v8::Local<v8::Promise> Session::ClearStorageData(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   ClearStorageDataOptions options;
-  base::Closure callback;
   args->GetNext(&options);
-  args->GetNext(&callback);
 
   auto* storage_partition =
       content::BrowserContext::GetStoragePartition(browser_context(), nullptr);
   if (options.storage_types & StoragePartition::REMOVE_DATA_MASK_COOKIES) {
     // Reset media device id salt when cookies are cleared.
     // https://w3c.github.io/mediacapture-main/#dom-mediadeviceinfo-deviceid
-    brightray::MediaDeviceIDSalt::Reset(browser_context()->prefs());
+    MediaDeviceIDSalt::Reset(browser_context()->prefs());
   }
+
   storage_partition->ClearData(
-      options.storage_types, options.quota_types, options.origin,
-      content::StoragePartition::OriginMatcherFunction(), base::Time(),
-      base::Time::Max(), base::Bind(&OnClearStorageDataDone, callback));
+      options.storage_types, options.quota_types, options.origin, base::Time(),
+      base::Time::Max(),
+      base::Bind(util::CopyablePromise::ResolveEmptyCopyablePromise,
+                 util::CopyablePromise(promise)));
+  return handle;
 }
 
 void Session::FlushStorageData() {
@@ -454,11 +483,17 @@ void Session::FlushStorageData() {
   storage_partition->Flush();
 }
 
-void Session::SetProxy(const mate::Dictionary& options,
-                       const base::Closure& callback) {
+v8::Local<v8::Promise> Session::SetProxy(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  mate::Dictionary options;
+  args->GetNext(&options);
+
   if (!browser_context_->in_memory_pref_store()) {
-    callback.Run();
-    return;
+    promise.Resolve();
+    return handle;
   }
 
   std::string proxy_rules, bypass_list, pac_url;
@@ -471,17 +506,22 @@ void Session::SetProxy(const mate::Dictionary& options,
   if (!pac_url.empty()) {
     browser_context_->in_memory_pref_store()->SetValue(
         proxy_config::prefs::kProxy,
-        ProxyConfigDictionary::CreatePacScript(pac_url,
-                                               true /* pac_mandatory */),
+        std::make_unique<base::Value>(ProxyConfigDictionary::CreatePacScript(
+            pac_url, true /* pac_mandatory */)),
         WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
   } else {
     browser_context_->in_memory_pref_store()->SetValue(
         proxy_config::prefs::kProxy,
-        ProxyConfigDictionary::CreateFixedServers(proxy_rules, bypass_list),
+        std::make_unique<base::Value>(ProxyConfigDictionary::CreateFixedServers(
+            proxy_rules, bypass_list)),
         WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
   }
 
-  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE,
+      base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
+
+  return handle;
 }
 
 void Session::SetDownloadPath(const base::FilePath& path) {
@@ -532,8 +572,8 @@ void Session::SetCertVerifyProc(v8::Local<v8::Value> val,
     return;
   }
 
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&SetCertVerifyProcInIO,
                      WrapRefCounted(browser_context_->GetRequestContext()),
                      base::Bind(&WrapVerifyProc, proc)));
@@ -541,14 +581,33 @@ void Session::SetCertVerifyProc(v8::Local<v8::Value> val,
 
 void Session::SetPermissionRequestHandler(v8::Local<v8::Value> val,
                                           mate::Arguments* args) {
-  AtomPermissionManager::RequestHandler handler;
-  if (!(val->IsNull() || mate::ConvertFromV8(args->isolate(), val, &handler))) {
+  auto* permission_manager = static_cast<AtomPermissionManager*>(
+      browser_context()->GetPermissionControllerDelegate());
+  if (val->IsNull()) {
+    permission_manager->SetPermissionRequestHandler(
+        AtomPermissionManager::RequestHandler());
+    return;
+  }
+  using StatusCallback =
+      base::RepeatingCallback<void(blink::mojom::PermissionStatus)>;
+  using RequestHandler =
+      base::Callback<void(content::WebContents*, content::PermissionType,
+                          StatusCallback, const base::Value&)>;
+  auto handler = std::make_unique<RequestHandler>();
+  if (!mate::ConvertFromV8(args->isolate(), val, handler.get())) {
     args->ThrowError("Must pass null or function");
     return;
   }
-  auto* permission_manager = static_cast<AtomPermissionManager*>(
-      browser_context()->GetPermissionControllerDelegate());
-  permission_manager->SetPermissionRequestHandler(handler);
+  permission_manager->SetPermissionRequestHandler(base::BindRepeating(
+      [](RequestHandler* handler, content::WebContents* web_contents,
+         content::PermissionType permission_type,
+         AtomPermissionManager::StatusCallback callback,
+         const base::Value& details) {
+        handler->Run(web_contents, permission_type,
+                     base::AdaptCallbackForRepeating(std::move(callback)),
+                     details);
+      },
+      base::Owned(std::move(handler))));
 }
 
 void Session::SetPermissionCheckHandler(v8::Local<v8::Value> val,
@@ -563,36 +622,41 @@ void Session::SetPermissionCheckHandler(v8::Local<v8::Value> val,
   permission_manager->SetPermissionCheckHandler(handler);
 }
 
-void Session::ClearHostResolverCache(mate::Arguments* args) {
-  base::Closure callback;
-  args->GetNext(&callback);
+v8::Local<v8::Promise> Session::ClearHostResolverCache(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
 
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&ClearHostResolverCacheInIO,
                      WrapRefCounted(browser_context_->GetRequestContext()),
-                     callback));
+                     std::move(promise)));
+  return handle;
 }
 
-void Session::ClearAuthCache(mate::Arguments* args) {
+v8::Local<v8::Promise> Session::ClearAuthCache(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   ClearAuthCacheOptions options;
   if (!args->GetNext(&options)) {
-    args->ThrowError("Must specify options object");
-    return;
+    promise.RejectWithErrorMessage("Must specify options object");
+    return handle;
   }
-  base::Closure callback;
-  args->GetNext(&callback);
 
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&ClearAuthCacheInIO,
                      WrapRefCounted(browser_context_->GetRequestContext()),
-                     options, callback));
+                     options, std::move(promise)));
+  return handle;
 }
 
 void Session::AllowNTLMCredentialsForDomains(const std::string& domains) {
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&AllowNTLMCredentialsForDomainsInIO,
                      WrapRefCounted(browser_context_->GetRequestContext()),
                      domains));
@@ -616,16 +680,17 @@ std::string Session::GetUserAgent() {
   return browser_context_->GetUserAgent();
 }
 
-void Session::GetBlobData(const std::string& uuid,
-                          const AtomBlobReader::CompletionCallback& callback) {
-  if (callback.is_null())
-    return;
+v8::Local<v8::Promise> Session::GetBlobData(v8::Isolate* isolate,
+                                            const std::string& uuid) {
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
 
   AtomBlobReader* blob_reader = browser_context()->GetBlobReader();
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&AtomBlobReader::StartReading,
-                     base::Unretained(blob_reader), uuid, callback));
+                     base::Unretained(blob_reader), uuid, std::move(promise)));
+  return handle;
 }
 
 void Session::CreateInterruptedDownload(const mate::Dictionary& options) {
@@ -783,6 +848,9 @@ void Session::BuildPrototype(v8::Isolate* isolate,
 
 namespace {
 
+using atom::api::Cookies;
+using atom::api::NetLog;
+using atom::api::Protocol;
 using atom::api::Session;
 
 v8::Local<v8::Value> FromPartition(const std::string& partition,
@@ -802,11 +870,21 @@ void Initialize(v8::Local<v8::Object> exports,
                 void* priv) {
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary dict(isolate, exports);
-  dict.Set("Session", Session::GetConstructor(isolate)->GetFunction());
-  dict.Set("Cookies", Cookies::GetConstructor(isolate)->GetFunction());
+  dict.Set(
+      "Session",
+      Session::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
+  dict.Set(
+      "Cookies",
+      Cookies::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
+  dict.Set(
+      "NetLog",
+      NetLog::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
+  dict.Set(
+      "Protocol",
+      Protocol::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
   dict.SetMethod("fromPartition", &FromPartition);
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_session, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_session, Initialize)

atom/browser/api/atom_api_session.h

@@ -11,10 +11,10 @@
 #include "atom/browser/api/trackable_object.h"
 #include "atom/browser/atom_blob_reader.h"
 #include "atom/browser/net/resolve_proxy_helper.h"
+#include "atom/common/promise_util.h"
 #include "base/values.h"
 #include "content/public/browser/download_manager.h"
 #include "native_mate/handle.h"
-#include "net/base/completion_callback.h"
 
 class GURL;
 
@@ -62,13 +62,12 @@ class Session : public mate::TrackableObject<Session>,
                              v8::Local<v8::FunctionTemplate> prototype);
 
   // Methods.
-  void ResolveProxy(const GURL& url,
-                    const ResolveProxyHelper::ResolveProxyCallback& callback);
+  v8::Local<v8::Promise> ResolveProxy(mate::Arguments* args);
   template <CacheAction action>
-  void DoCacheAction(const net::CompletionCallback& callback);
-  void ClearStorageData(mate::Arguments* args);
+  v8::Local<v8::Promise> DoCacheAction();
+  v8::Local<v8::Promise> ClearStorageData(mate::Arguments* args);
   void FlushStorageData();
-  void SetProxy(const mate::Dictionary& options, const base::Closure& callback);
+  v8::Local<v8::Promise> SetProxy(mate::Arguments* args);
   void SetDownloadPath(const base::FilePath& path);
   void EnableNetworkEmulation(const mate::Dictionary& options);
   void DisableNetworkEmulation();
@@ -77,13 +76,13 @@ class Session : public mate::TrackableObject<Session>,
                                    mate::Arguments* args);
   void SetPermissionCheckHandler(v8::Local<v8::Value> val,
                                  mate::Arguments* args);
-  void ClearHostResolverCache(mate::Arguments* args);
-  void ClearAuthCache(mate::Arguments* args);
+  v8::Local<v8::Promise> ClearHostResolverCache(mate::Arguments* args);
+  v8::Local<v8::Promise> ClearAuthCache(mate::Arguments* args);
   void AllowNTLMCredentialsForDomains(const std::string& domains);
   void SetUserAgent(const std::string& user_agent, mate::Arguments* args);
   std::string GetUserAgent();
-  void GetBlobData(const std::string& uuid,
-                   const AtomBlobReader::CompletionCallback& callback);
+  v8::Local<v8::Promise> GetBlobData(v8::Isolate* isolate,
+                                     const std::string& uuid);
   void CreateInterruptedDownload(const mate::Dictionary& options);
   void SetPreloads(const std::vector<base::FilePath::StringType>& preloads);
   std::vector<base::FilePath::StringType> GetPreloads() const;

atom/browser/api/atom_api_system_preferences.cc

@@ -8,6 +8,7 @@
 #include "atom/common/native_mate_converters/value_converter.h"
 #include "atom/common/node_includes.h"
 #include "native_mate/dictionary.h"
+#include "ui/gfx/animation/animation.h"
 #include "ui/gfx/color_utils.h"
 
 namespace atom {
@@ -37,6 +38,25 @@ bool SystemPreferences::IsInvertedColorScheme() {
   return color_utils::IsInvertedColorScheme();
 }
 
+#if !defined(OS_WIN)
+bool SystemPreferences::IsHighContrastColorScheme() {
+  return false;
+}
+#endif  // !defined(OS_WIN)
+
+v8::Local<v8::Value> SystemPreferences::GetAnimationSettings(
+    v8::Isolate* isolate) {
+  mate::Dictionary dict = mate::Dictionary::CreateEmpty(isolate);
+  dict.SetHidden("simple", true);
+  dict.Set("shouldRenderRichAnimation",
+           gfx::Animation::ShouldRenderRichAnimation());
+  dict.Set("scrollAnimationsEnabledBySystem",
+           gfx::Animation::ScrollAnimationsEnabledBySystem());
+  dict.Set("prefersReducedMotion", gfx::Animation::PrefersReducedMotion());
+
+  return dict.GetHandle();
+}
+
 // static
 mate::Handle<SystemPreferences> SystemPreferences::Create(
     v8::Isolate* isolate) {
@@ -49,10 +69,13 @@ void SystemPreferences::BuildPrototype(
     v8::Local<v8::FunctionTemplate> prototype) {
   prototype->SetClassName(mate::StringToV8(isolate, "SystemPreferences"));
   mate::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
-#if defined(OS_WIN)
-      .SetMethod("getAccentColor", &SystemPreferences::GetAccentColor)
-      .SetMethod("isAeroGlassEnabled", &SystemPreferences::IsAeroGlassEnabled)
+#if defined(OS_WIN) || defined(OS_MACOSX)
       .SetMethod("getColor", &SystemPreferences::GetColor)
+      .SetMethod("getAccentColor", &SystemPreferences::GetAccentColor)
+#endif
+
+#if defined(OS_WIN)
+      .SetMethod("isAeroGlassEnabled", &SystemPreferences::IsAeroGlassEnabled)
 #elif defined(OS_MACOSX)
       .SetMethod("postNotification", &SystemPreferences::PostNotification)
       .SetMethod("subscribeNotification",
@@ -83,10 +106,22 @@ void SystemPreferences::BuildPrototype(
                  &SystemPreferences::GetAppLevelAppearance)
       .SetMethod("setAppLevelAppearance",
                  &SystemPreferences::SetAppLevelAppearance)
+      .SetMethod("getSystemColor", &SystemPreferences::GetSystemColor)
+      .SetMethod("canPromptTouchID", &SystemPreferences::CanPromptTouchID)
+      .SetMethod("promptTouchID", &SystemPreferences::PromptTouchID)
+      .SetMethod("isTrustedAccessibilityClient",
+                 &SystemPreferences::IsTrustedAccessibilityClient)
+      .SetMethod("getMediaAccessStatus",
+                 &SystemPreferences::GetMediaAccessStatus)
+      .SetMethod("askForMediaAccess", &SystemPreferences::AskForMediaAccess)
 #endif
       .SetMethod("isInvertedColorScheme",
                  &SystemPreferences::IsInvertedColorScheme)
-      .SetMethod("isDarkMode", &SystemPreferences::IsDarkMode);
+      .SetMethod("isHighContrastColorScheme",
+                 &SystemPreferences::IsHighContrastColorScheme)
+      .SetMethod("isDarkMode", &SystemPreferences::IsDarkMode)
+      .SetMethod("getAnimationSettings",
+                 &SystemPreferences::GetAnimationSettings);
 }
 
 }  // namespace api
@@ -104,10 +139,11 @@ void Initialize(v8::Local<v8::Object> exports,
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary dict(isolate, exports);
   dict.Set("systemPreferences", SystemPreferences::Create(isolate));
-  dict.Set("SystemPreferences",
-           SystemPreferences::GetConstructor(isolate)->GetFunction());
+  dict.Set("SystemPreferences", SystemPreferences::GetConstructor(isolate)
+                                    ->GetFunction(context)
+                                    .ToLocalChecked());
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_system_preferences, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_system_preferences, Initialize)

atom/browser/api/atom_api_system_preferences.h

@@ -9,6 +9,7 @@
 #include <string>
 
 #include "atom/browser/api/event_emitter.h"
+#include "atom/common/promise_util.h"
 #include "base/callback.h"
 #include "base/values.h"
 #include "native_mate/handle.h"
@@ -48,11 +49,12 @@ class SystemPreferences : public mate::EventEmitter<SystemPreferences>
   static void BuildPrototype(v8::Isolate* isolate,
                              v8::Local<v8::FunctionTemplate> prototype);
 
-#if defined(OS_WIN)
-  bool IsAeroGlassEnabled();
-
+#if defined(OS_WIN) || defined(OS_MACOSX)
   std::string GetAccentColor();
   std::string GetColor(const std::string& color, mate::Arguments* args);
+#endif
+#if defined(OS_WIN)
+  bool IsAeroGlassEnabled();
 
   void InitializeWindow();
 
@@ -67,7 +69,8 @@ class SystemPreferences : public mate::EventEmitter<SystemPreferences>
       base::Callback<void(const std::string&, const base::DictionaryValue&)>;
 
   void PostNotification(const std::string& name,
-                        const base::DictionaryValue& user_info);
+                        const base::DictionaryValue& user_info,
+                        mate::Arguments* args);
   int SubscribeNotification(const std::string& name,
                             const NotificationCallback& callback);
   void UnsubscribeNotification(int id);
@@ -90,6 +93,21 @@ class SystemPreferences : public mate::EventEmitter<SystemPreferences>
   void RemoveUserDefault(const std::string& name);
   bool IsSwipeTrackingFromScrollEventsEnabled();
 
+  std::string GetSystemColor(const std::string& color, mate::Arguments* args);
+
+  bool CanPromptTouchID();
+  v8::Local<v8::Promise> PromptTouchID(v8::Isolate* isolate,
+                                       const std::string& reason);
+
+  static bool IsTrustedAccessibilityClient(bool prompt);
+
+  // TODO(codebytere): Write tests for these methods once we
+  // are running tests on a Mojave machine
+  std::string GetMediaAccessStatus(const std::string& media_type,
+                                   mate::Arguments* args);
+  v8::Local<v8::Promise> AskForMediaAccess(v8::Isolate* isolate,
+                                           const std::string& media_type);
+
   // TODO(MarshallOfSound): Write tests for these methods once we
   // are running tests on a Mojave machine
   v8::Local<v8::Value> GetEffectiveAppearance(v8::Isolate* isolate);
@@ -98,15 +116,14 @@ class SystemPreferences : public mate::EventEmitter<SystemPreferences>
 #endif
   bool IsDarkMode();
   bool IsInvertedColorScheme();
+  bool IsHighContrastColorScheme();
+  v8::Local<v8::Value> GetAnimationSettings(v8::Isolate* isolate);
 
  protected:
   explicit SystemPreferences(v8::Isolate* isolate);
   ~SystemPreferences() override;
 
 #if defined(OS_MACOSX)
-  void DoPostNotification(const std::string& name,
-                          const base::DictionaryValue& user_info,
-                          NotificationCenterKind kind);
   int DoSubscribeNotification(const std::string& name,
                               const NotificationCallback& callback,
                               NotificationCenterKind kind);
@@ -139,6 +156,8 @@ class SystemPreferences : public mate::EventEmitter<SystemPreferences>
 
   bool invertered_color_scheme_;
 
+  bool high_contrast_color_scheme_;
+
   std::unique_ptr<gfx::ScopedSysColorChangeListener> color_change_listener_;
 #endif
   DISALLOW_COPY_AND_ASSIGN(SystemPreferences);

atom/browser/api/atom_api_system_preferences_mac.mm

@@ -6,13 +6,22 @@
 
 #include <map>
 
+#import <AVFoundation/AVFoundation.h>
 #import <Cocoa/Cocoa.h>
+#import <LocalAuthentication/LocalAuthentication.h>
+#import <Security/Security.h>
 
 #include "atom/browser/mac/atom_application.h"
 #include "atom/browser/mac/dict_util.h"
+#include "atom/browser/ui/cocoa/NSColor+Hex.h"
 #include "atom/common/native_mate_converters/gurl_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "base/mac/scoped_cftyperef.h"
+#include "base/mac/sdk_forward_declarations.h"
+#include "base/sequenced_task_runner.h"
+#include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
+#include "base/threading/sequenced_task_runner_handle.h"
 #include "base/values.h"
 #include "native_mate/object_template_builder.h"
 #include "net/base/mac/url_conversions.h"
@@ -53,11 +62,11 @@ struct Converter<NSAppearance*> {
       return v8::Null(isolate);
     }
 
-    if (val.name == NSAppearanceNameAqua) {
+    if ([val.name isEqualToString:NSAppearanceNameAqua]) {
       return mate::ConvertToV8(isolate, "light");
     }
     if (@available(macOS 10.14, *)) {
-      if (val.name == NSAppearanceNameDarkAqua) {
+      if ([val.name isEqualToString:NSAppearanceNameDarkAqua]) {
         return mate::ConvertToV8(isolate, "dark");
       }
     }
@@ -78,12 +87,45 @@ int g_next_id = 0;
 // The map to convert |id| to |int|.
 std::map<int, id> g_id_map;
 
+AVMediaType ParseMediaType(const std::string& media_type) {
+  if (media_type == "camera") {
+    return AVMediaTypeVideo;
+  } else if (media_type == "microphone") {
+    return AVMediaTypeAudio;
+  } else {
+    return nil;
+  }
+}
+
+std::string ConvertAuthorizationStatus(AVAuthorizationStatusMac status) {
+  switch (status) {
+    case AVAuthorizationStatusNotDeterminedMac:
+      return "not-determined";
+    case AVAuthorizationStatusRestrictedMac:
+      return "restricted";
+    case AVAuthorizationStatusDeniedMac:
+      return "denied";
+    case AVAuthorizationStatusAuthorizedMac:
+      return "granted";
+    default:
+      return "unknown";
+  }
+}
+
 }  // namespace
 
-void SystemPreferences::PostNotification(
-    const std::string& name,
-    const base::DictionaryValue& user_info) {
-  DoPostNotification(name, user_info, kNSDistributedNotificationCenter);
+void SystemPreferences::PostNotification(const std::string& name,
+                                         const base::DictionaryValue& user_info,
+                                         mate::Arguments* args) {
+  bool immediate = false;
+  args->GetNext(&immediate);
+
+  NSDistributedNotificationCenter* center =
+      [NSDistributedNotificationCenter defaultCenter];
+  [center postNotificationName:base::SysUTF8ToNSString(name)
+                        object:nil
+                      userInfo:DictionaryValueToNSDictionary(user_info)
+            deliverImmediately:immediate];
 }
 
 int SystemPreferences::SubscribeNotification(
@@ -100,7 +142,10 @@ void SystemPreferences::UnsubscribeNotification(int request_id) {
 void SystemPreferences::PostLocalNotification(
     const std::string& name,
     const base::DictionaryValue& user_info) {
-  DoPostNotification(name, user_info, kNSNotificationCenter);
+  NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
+  [center postNotificationName:base::SysUTF8ToNSString(name)
+                        object:nil
+                      userInfo:DictionaryValueToNSDictionary(user_info)];
 }
 
 int SystemPreferences::SubscribeLocalNotification(
@@ -116,7 +161,11 @@ void SystemPreferences::UnsubscribeLocalNotification(int request_id) {
 void SystemPreferences::PostWorkspaceNotification(
     const std::string& name,
     const base::DictionaryValue& user_info) {
-  DoPostNotification(name, user_info, kNSWorkspaceNotificationCenter);
+  NSNotificationCenter* center =
+      [[NSWorkspace sharedWorkspace] notificationCenter];
+  [center postNotificationName:base::SysUTF8ToNSString(name)
+                        object:nil
+                      userInfo:DictionaryValueToNSDictionary(user_info)];
 }
 
 int SystemPreferences::SubscribeWorkspaceNotification(
@@ -130,29 +179,6 @@ void SystemPreferences::UnsubscribeWorkspaceNotification(int request_id) {
   DoUnsubscribeNotification(request_id, kNSWorkspaceNotificationCenter);
 }
 
-void SystemPreferences::DoPostNotification(
-    const std::string& name,
-    const base::DictionaryValue& user_info,
-    NotificationCenterKind kind) {
-  NSNotificationCenter* center;
-  switch (kind) {
-    case kNSDistributedNotificationCenter:
-      center = [NSDistributedNotificationCenter defaultCenter];
-      break;
-    case kNSNotificationCenter:
-      center = [NSNotificationCenter defaultCenter];
-      break;
-    case kNSWorkspaceNotificationCenter:
-      center = [[NSWorkspace sharedWorkspace] notificationCenter];
-      break;
-    default:
-      break;
-  }
-  [center postNotificationName:base::SysUTF8ToNSString(name)
-                        object:nil
-                      userInfo:DictionaryValueToNSDictionary(user_info)];
-}
-
 int SystemPreferences::DoSubscribeNotification(
     const std::string& name,
     const NotificationCallback& callback,
@@ -360,6 +386,239 @@ void SystemPreferences::SetUserDefault(const std::string& name,
   }
 }
 
+std::string SystemPreferences::GetAccentColor() {
+  NSColor* sysColor = nil;
+  if (@available(macOS 10.14, *))
+    sysColor = [NSColor controlAccentColor];
+
+  return base::SysNSStringToUTF8([sysColor RGBAValue]);
+}
+
+std::string SystemPreferences::GetSystemColor(const std::string& color,
+                                              mate::Arguments* args) {
+  NSColor* sysColor = nil;
+  if (color == "blue") {
+    sysColor = [NSColor systemBlueColor];
+  } else if (color == "brown") {
+    sysColor = [NSColor systemBrownColor];
+  } else if (color == "gray") {
+    sysColor = [NSColor systemGrayColor];
+  } else if (color == "green") {
+    sysColor = [NSColor systemGreenColor];
+  } else if (color == "orange") {
+    sysColor = [NSColor systemOrangeColor];
+  } else if (color == "pink") {
+    sysColor = [NSColor systemPinkColor];
+  } else if (color == "purple") {
+    sysColor = [NSColor systemPurpleColor];
+  } else if (color == "red") {
+    sysColor = [NSColor systemRedColor];
+  } else if (color == "yellow") {
+    sysColor = [NSColor systemYellowColor];
+  } else {
+    args->ThrowError("Unknown system color: " + color);
+    return "";
+  }
+
+  return base::SysNSStringToUTF8([sysColor hexadecimalValue]);
+}
+
+bool SystemPreferences::CanPromptTouchID() {
+  if (@available(macOS 10.12.2, *)) {
+    base::scoped_nsobject<LAContext> context([[LAContext alloc] init]);
+    if (![context
+            canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics
+                        error:nil])
+      return false;
+    if (@available(macOS 10.13.2, *))
+      return [context biometryType] == LABiometryTypeTouchID;
+    return true;
+  }
+  return false;
+}
+
+v8::Local<v8::Promise> SystemPreferences::PromptTouchID(
+    v8::Isolate* isolate,
+    const std::string& reason) {
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  if (@available(macOS 10.12.2, *)) {
+    base::scoped_nsobject<LAContext> context([[LAContext alloc] init]);
+    base::ScopedCFTypeRef<SecAccessControlRef> access_control =
+        base::ScopedCFTypeRef<SecAccessControlRef>(
+            SecAccessControlCreateWithFlags(
+                kCFAllocatorDefault,
+                kSecAttrAccessibleWhenUnlockedThisDeviceOnly,
+                kSecAccessControlPrivateKeyUsage |
+                    kSecAccessControlUserPresence,
+                nullptr));
+
+    scoped_refptr<base::SequencedTaskRunner> runner =
+        base::SequencedTaskRunnerHandle::Get();
+
+    __block util::Promise p = std::move(promise);
+    [context
+        evaluateAccessControl:access_control
+                    operation:LAAccessControlOperationUseKeySign
+              localizedReason:[NSString stringWithUTF8String:reason.c_str()]
+                        reply:^(BOOL success, NSError* error) {
+                          if (!success) {
+                            std::string err_msg = std::string(
+                                [error.localizedDescription UTF8String]);
+                            runner->PostTask(
+                                FROM_HERE,
+                                base::BindOnce(util::Promise::RejectPromise,
+                                               std::move(p),
+                                               std::move(err_msg)));
+                          } else {
+                            runner->PostTask(
+                                FROM_HERE,
+                                base::BindOnce(
+                                    util::Promise::ResolveEmptyPromise,
+                                    std::move(p)));
+                          }
+                        }];
+  } else {
+    promise.RejectWithErrorMessage(
+        "This API is not available on macOS versions older than 10.12.2");
+  }
+  return handle;
+}
+
+// static
+bool SystemPreferences::IsTrustedAccessibilityClient(bool prompt) {
+  NSDictionary* options = @{(id)kAXTrustedCheckOptionPrompt : @(prompt)};
+  return AXIsProcessTrustedWithOptions((CFDictionaryRef)options);
+}
+
+std::string SystemPreferences::GetColor(const std::string& color,
+                                        mate::Arguments* args) {
+  NSColor* sysColor = nil;
+  if (color == "alternate-selected-control-text") {
+    sysColor = [NSColor alternateSelectedControlTextColor];
+  } else if (color == "control-background") {
+    sysColor = [NSColor controlBackgroundColor];
+  } else if (color == "control") {
+    sysColor = [NSColor controlColor];
+  } else if (color == "control-text") {
+    sysColor = [NSColor controlTextColor];
+  } else if (color == "disabled-control") {
+    sysColor = [NSColor disabledControlTextColor];
+  } else if (color == "find-highlight") {
+    if (@available(macOS 10.14, *))
+      sysColor = [NSColor findHighlightColor];
+  } else if (color == "grid") {
+    sysColor = [NSColor gridColor];
+  } else if (color == "header-text") {
+    sysColor = [NSColor headerTextColor];
+  } else if (color == "highlight") {
+    sysColor = [NSColor highlightColor];
+  } else if (color == "keyboard-focus-indicator") {
+    sysColor = [NSColor keyboardFocusIndicatorColor];
+  } else if (color == "label") {
+    sysColor = [NSColor labelColor];
+  } else if (color == "link") {
+    sysColor = [NSColor linkColor];
+  } else if (color == "placeholder-text") {
+    sysColor = [NSColor placeholderTextColor];
+  } else if (color == "quaternary-label") {
+    sysColor = [NSColor quaternaryLabelColor];
+  } else if (color == "scrubber-textured-background") {
+    if (@available(macOS 10.12.2, *))
+      sysColor = [NSColor scrubberTexturedBackgroundColor];
+  } else if (color == "secondary-label") {
+    sysColor = [NSColor secondaryLabelColor];
+  } else if (color == "selected-content-background") {
+    if (@available(macOS 10.14, *))
+      sysColor = [NSColor selectedContentBackgroundColor];
+  } else if (color == "selected-control") {
+    sysColor = [NSColor selectedControlColor];
+  } else if (color == "selected-control-text") {
+    sysColor = [NSColor selectedControlTextColor];
+  } else if (color == "selected-menu-item-text") {
+    sysColor = [NSColor selectedMenuItemTextColor];
+  } else if (color == "selected-text-background") {
+    sysColor = [NSColor selectedTextBackgroundColor];
+  } else if (color == "selected-text") {
+    sysColor = [NSColor selectedTextColor];
+  } else if (color == "separator") {
+    if (@available(macOS 10.14, *))
+      sysColor = [NSColor separatorColor];
+  } else if (color == "shadow") {
+    sysColor = [NSColor shadowColor];
+  } else if (color == "tertiary-label") {
+    sysColor = [NSColor tertiaryLabelColor];
+  } else if (color == "text-background") {
+    sysColor = [NSColor textBackgroundColor];
+  } else if (color == "text") {
+    sysColor = [NSColor textColor];
+  } else if (color == "under-page-background") {
+    sysColor = [NSColor underPageBackgroundColor];
+  } else if (color == "unemphasized-selected-content-background") {
+    if (@available(macOS 10.14, *))
+      sysColor = [NSColor unemphasizedSelectedContentBackgroundColor];
+  } else if (color == "unemphasized-selected-text-background") {
+    if (@available(macOS 10.14, *))
+      sysColor = [NSColor unemphasizedSelectedTextBackgroundColor];
+  } else if (color == "unemphasized-selected-text") {
+    if (@available(macOS 10.14, *))
+      sysColor = [NSColor unemphasizedSelectedTextColor];
+  } else if (color == "window-background") {
+    sysColor = [NSColor windowBackgroundColor];
+  } else if (color == "window-frame-text") {
+    sysColor = [NSColor windowFrameTextColor];
+  } else {
+    args->ThrowError("Unknown color: " + color);
+    return "";
+  }
+
+  return base::SysNSStringToUTF8([sysColor hexadecimalValue]);
+}
+
+std::string SystemPreferences::GetMediaAccessStatus(
+    const std::string& media_type,
+    mate::Arguments* args) {
+  if (auto type = ParseMediaType(media_type)) {
+    if (@available(macOS 10.14, *)) {
+      return ConvertAuthorizationStatus(
+          [AVCaptureDevice authorizationStatusForMediaType:type]);
+    } else {
+      // access always allowed pre-10.14 Mojave
+      return ConvertAuthorizationStatus(AVAuthorizationStatusAuthorizedMac);
+    }
+  } else {
+    args->ThrowError("Invalid media type");
+    return std::string();
+  }
+}
+
+v8::Local<v8::Promise> SystemPreferences::AskForMediaAccess(
+    v8::Isolate* isolate,
+    const std::string& media_type) {
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  if (auto type = ParseMediaType(media_type)) {
+    if (@available(macOS 10.14, *)) {
+      __block util::Promise p = std::move(promise);
+      [AVCaptureDevice requestAccessForMediaType:type
+                               completionHandler:^(BOOL granted) {
+                                 dispatch_async(dispatch_get_main_queue(), ^{
+                                   p.Resolve(!!granted);
+                                 });
+                               }];
+    } else {
+      // access always allowed pre-10.14 Mojave
+      promise.Resolve(true);
+    }
+  } else {
+    promise.RejectWithErrorMessage("Invalid media type");
+  }
+
+  return handle;
+}
+
 void SystemPreferences::RemoveUserDefault(const std::string& name) {
   NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
   [defaults removeObjectForKey:base::SysUTF8ToNSString(name)];

atom/browser/api/atom_api_system_preferences_win.cc

@@ -20,6 +20,18 @@ namespace {
 const wchar_t kSystemPreferencesWindowClass[] =
     L"Electron_SystemPreferencesHostWindow";
 
+bool g_is_high_contract_color_scheme = false;
+bool g_is_high_contract_color_scheme_initialized = false;
+
+void UpdateHighContrastColorScheme() {
+  HIGHCONTRAST high_contrast = {0};
+  high_contrast.cbSize = sizeof(HIGHCONTRAST);
+  g_is_high_contract_color_scheme =
+      SystemParametersInfo(SPI_GETHIGHCONTRAST, 0, &high_contrast, 0) &&
+      ((high_contrast.dwFlags & HCF_HIGHCONTRASTON) != 0);
+  g_is_high_contract_color_scheme_initialized = true;
+}
+
 }  // namespace
 
 namespace api {
@@ -28,6 +40,12 @@ bool SystemPreferences::IsAeroGlassEnabled() {
   return ui::win::IsAeroGlassEnabled();
 }
 
+bool SystemPreferences::IsHighContrastColorScheme() {
+  if (!g_is_high_contract_color_scheme_initialized)
+    UpdateHighContrastColorScheme();
+  return g_is_high_contract_color_scheme;
+}
+
 std::string hexColorDWORDToRGBA(DWORD color) {
   DWORD rgba = color << 8 | color >> 24;
   std::ostringstream stream;
@@ -119,6 +137,7 @@ std::string SystemPreferences::GetColor(const std::string& color,
 
 void SystemPreferences::InitializeWindow() {
   invertered_color_scheme_ = IsInvertedColorScheme();
+  high_contrast_color_scheme_ = IsHighContrastColorScheme();
 
   // Wait until app is ready before creating sys color listener
   // Creating this listener before the app is ready causes global shortcuts
@@ -169,6 +188,9 @@ LRESULT CALLBACK SystemPreferences::WndProc(HWND hwnd,
       Emit("accent-color-changed", hexColorDWORDToRGBA(new_color));
       current_color_ = new_color_string;
     }
+  } else if (message == WM_SYSCOLORCHANGE ||
+             (message == WM_SETTINGCHANGE && wparam == SPI_SETHIGHCONTRAST)) {
+    UpdateHighContrastColorScheme();
   }
   return ::DefWindowProc(hwnd, message, wparam, lparam);
 }
@@ -179,6 +201,13 @@ void SystemPreferences::OnSysColorChange() {
     invertered_color_scheme_ = new_invertered_color_scheme;
     Emit("inverted-color-scheme-changed", new_invertered_color_scheme);
   }
+
+  bool new_high_contrast_color_scheme = IsHighContrastColorScheme();
+  if (new_high_contrast_color_scheme != high_contrast_color_scheme_) {
+    high_contrast_color_scheme_ = new_high_contrast_color_scheme;
+    Emit("high-contrast-color-scheme-changed", new_high_contrast_color_scheme);
+  }
+
   Emit("color-changed");
 }
 

atom/browser/api/atom_api_top_level_window.cc

@@ -18,8 +18,10 @@
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "atom/common/options_switches.h"
 #include "electron/buildflags/buildflags.h"
+#include "gin/converter.h"
 #include "native_mate/handle.h"
 #include "native_mate/persistent_dictionary.h"
 
@@ -32,8 +34,6 @@
 #include "ui/base/win/shell.h"
 #endif
 
-#include "atom/common/node_includes.h"
-
 #if defined(OS_WIN)
 namespace mate {
 
@@ -158,7 +158,7 @@ void TopLevelWindow::OnWindowClosed() {
   Emit("closed");
 
   RemoveFromParentChildWindows();
-  ResetBrowserView();
+  TopLevelWindow::ResetBrowserViews();
 
   // Destroy the native class when window is closed.
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, GetDestroyClosure());
@@ -266,7 +266,7 @@ void TopLevelWindow::OnWindowAlwaysOnTopChanged() {
   Emit("always-on-top-changed", IsAlwaysOnTop());
 }
 
-void TopLevelWindow::OnExecuteWindowsCommand(const std::string& command_name) {
+void TopLevelWindow::OnExecuteAppCommand(const std::string& command_name) {
   Emit("app-command", command_name);
 }
 
@@ -293,6 +293,7 @@ void TopLevelWindow::OnWindowMessage(UINT message,
 #endif
 
 void TopLevelWindow::SetContentView(mate::Handle<View> view) {
+  ResetBrowserViews();
   content_view_.Reset(isolate(), view.ToV8());
   window_->SetContentView(view->view());
 }
@@ -546,11 +547,9 @@ std::vector<int> TopLevelWindow::GetPosition() {
   return result;
 }
 
-#if defined(OS_WIN) || defined(OS_MACOSX)
 void TopLevelWindow::MoveTop() {
   window_->MoveTop();
 }
-#endif
 
 void TopLevelWindow::SetTitle(const std::string& title) {
   window_->SetTitle(title);
@@ -568,6 +567,14 @@ void TopLevelWindow::SetSkipTaskbar(bool skip) {
   window_->SetSkipTaskbar(skip);
 }
 
+void TopLevelWindow::SetExcludedFromShownWindowsMenu(bool excluded) {
+  window_->SetExcludedFromShownWindowsMenu(excluded);
+}
+
+bool TopLevelWindow::IsExcludedFromShownWindowsMenu() {
+  return window_->IsExcludedFromShownWindowsMenu();
+}
+
 void TopLevelWindow::SetSimpleFullScreen(bool simple_fullscreen) {
   window_->SetSimpleFullScreen(simple_fullscreen);
 }
@@ -641,9 +648,11 @@ void TopLevelWindow::SetFocusable(bool focusable) {
 }
 
 void TopLevelWindow::SetMenu(v8::Isolate* isolate, v8::Local<v8::Value> value) {
+  auto context = isolate->GetCurrentContext();
   mate::Handle<Menu> menu;
-  if (value->IsObject() &&
-      mate::V8ToString(value->ToObject()->GetConstructorName()) == "Menu" &&
+  v8::Local<v8::Object> object;
+  if (value->IsObject() && value->ToObject(context).ToLocal(&object) &&
+      gin::V8ToString(isolate, object->GetConstructorName()) == "Menu" &&
       mate::ConvertFromV8(isolate, value, &menu) && !menu.IsEmpty()) {
     menu_.Reset(isolate, menu.ToV8());
     window_->SetMenu(menu->model());
@@ -656,6 +665,11 @@ void TopLevelWindow::SetMenu(v8::Isolate* isolate, v8::Local<v8::Value> value) {
   }
 }
 
+void TopLevelWindow::RemoveMenu() {
+  menu_.Reset();
+  window_->SetMenu(nullptr);
+}
+
 void TopLevelWindow::SetParentWindow(v8::Local<v8::Value> value,
                                      mate::Arguments* args) {
   if (IsModal()) {
@@ -669,6 +683,7 @@ void TopLevelWindow::SetParentWindow(v8::Local<v8::Value> value,
     parent_window_.Reset();
     window_->SetParentWindow(nullptr);
   } else if (mate::ConvertFromV8(isolate(), value, &parent)) {
+    RemoveFromParentChildWindows();
     parent_window_.Reset(isolate(), value);
     window_->SetParentWindow(parent->window_.get());
     parent->child_windows_.Set(isolate(), weak_map_id(), GetWrapper());
@@ -678,21 +693,43 @@ void TopLevelWindow::SetParentWindow(v8::Local<v8::Value> value,
 }
 
 void TopLevelWindow::SetBrowserView(v8::Local<v8::Value> value) {
-  ResetBrowserView();
+  ResetBrowserViews();
+  AddBrowserView(value);
+}
 
+void TopLevelWindow::AddBrowserView(v8::Local<v8::Value> value) {
   mate::Handle<BrowserView> browser_view;
-  if (value->IsNull() || value->IsUndefined()) {
-    window_->SetBrowserView(nullptr);
-  } else if (mate::ConvertFromV8(isolate(), value, &browser_view)) {
-    window_->SetBrowserView(browser_view->view());
-    browser_view->web_contents()->SetOwnerWindow(window_.get());
-    browser_view_.Reset(isolate(), value);
+  if (value->IsObject() &&
+      mate::ConvertFromV8(isolate(), value, &browser_view)) {
+    auto get_that_view = browser_views_.find(browser_view->weak_map_id());
+    if (get_that_view == browser_views_.end()) {
+      window_->AddBrowserView(browser_view->view());
+      browser_view->web_contents()->SetOwnerWindow(window_.get());
+      browser_views_[browser_view->weak_map_id()].Reset(isolate(), value);
+    }
   }
 }
 
+void TopLevelWindow::RemoveBrowserView(v8::Local<v8::Value> value) {
+  mate::Handle<BrowserView> browser_view;
+  if (value->IsObject() &&
+      mate::ConvertFromV8(isolate(), value, &browser_view)) {
+    auto get_that_view = browser_views_.find(browser_view->weak_map_id());
+    if (get_that_view != browser_views_.end()) {
+      window_->RemoveBrowserView(browser_view->view());
+      browser_view->web_contents()->SetOwnerWindow(nullptr);
+
+      (*get_that_view).second.Reset(isolate(), value);
+      browser_views_.erase(get_that_view);
+    }
+  }
+}
 v8::Local<v8::Value> TopLevelWindow::GetNativeWindowHandle() {
-  gfx::AcceleratedWidget handle = window_->GetAcceleratedWidget();
-  return ToBuffer(isolate(), static_cast<void*>(&handle), sizeof(handle));
+  // TODO(MarshallOfSound): Replace once
+  // https://chromium-review.googlesource.com/c/chromium/src/+/1253094/ has
+  // landed
+  NativeWindowHandle handle = window_->GetNativeWindowHandle();
+  return ToBuffer(isolate(), &handle, sizeof(handle));
 }
 
 void TopLevelWindow::SetProgressBar(double progress, mate::Arguments* args) {
@@ -737,7 +774,7 @@ void TopLevelWindow::SetAutoHideCursor(bool auto_hide) {
 
 void TopLevelWindow::SetVibrancy(v8::Isolate* isolate,
                                  v8::Local<v8::Value> value) {
-  std::string type = mate::V8ToString(value);
+  std::string type = gin::V8ToString(isolate, value);
   window_->SetVibrancy(type);
 }
 
@@ -841,12 +878,29 @@ std::vector<v8::Local<v8::Object>> TopLevelWindow::GetChildWindows() const {
   return child_windows_.Values(isolate());
 }
 
-v8::Local<v8::Value> TopLevelWindow::GetBrowserView() const {
-  if (browser_view_.IsEmpty()) {
+v8::Local<v8::Value> TopLevelWindow::GetBrowserView(
+    mate::Arguments* args) const {
+  if (browser_views_.size() == 0) {
+    return v8::Null(isolate());
+  } else if (browser_views_.size() == 1) {
+    auto first_view = browser_views_.begin();
+    return v8::Local<v8::Value>::New(isolate(), (*first_view).second);
+  } else {
+    args->ThrowError(
+        "BrowserWindow have multiple BrowserViews, "
+        "Use getBrowserViews() instead");
     return v8::Null(isolate());
   }
+}
 
-  return v8::Local<v8::Value>::New(isolate(), browser_view_);
+std::vector<v8::Local<v8::Value>> TopLevelWindow::GetBrowserViews() const {
+  std::vector<v8::Local<v8::Value>> ret;
+
+  for (auto const& views_iter : browser_views_) {
+    ret.push_back(v8::Local<v8::Value>::New(isolate(), views_iter.second));
+  }
+
+  return ret;
 }
 
 bool TopLevelWindow::IsModal() const {
@@ -938,17 +992,21 @@ int32_t TopLevelWindow::GetID() const {
   return weak_map_id();
 }
 
-void TopLevelWindow::ResetBrowserView() {
-  if (browser_view_.IsEmpty())
-    return;
+void TopLevelWindow::ResetBrowserViews() {
+  for (auto& item : browser_views_) {
+    mate::Handle<BrowserView> browser_view;
+    if (mate::ConvertFromV8(isolate(),
+                            v8::Local<v8::Value>::New(isolate(), item.second),
+                            &browser_view) &&
+        !browser_view.IsEmpty()) {
+      window_->RemoveBrowserView(browser_view->view());
+      browser_view->web_contents()->SetOwnerWindow(nullptr);
+    }
 
-  mate::Handle<BrowserView> browser_view;
-  if (mate::ConvertFromV8(isolate(), GetBrowserView(), &browser_view) &&
-      !browser_view.IsEmpty()) {
-    browser_view->web_contents()->SetOwnerWindow(nullptr);
+    item.second.Reset();
   }
 
-  browser_view_.Reset();
+  browser_views_.clear();
 }
 
 void TopLevelWindow::RemoveFromParentChildWindows() {
@@ -1015,9 +1073,7 @@ void TopLevelWindow::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("setResizable", &TopLevelWindow::SetResizable)
       .SetMethod("isResizable", &TopLevelWindow::IsResizable)
       .SetMethod("setMovable", &TopLevelWindow::SetMovable)
-#if defined(OS_WIN) || defined(OS_MACOSX)
       .SetMethod("moveTop", &TopLevelWindow::MoveTop)
-#endif
       .SetMethod("isMovable", &TopLevelWindow::IsMovable)
       .SetMethod("setMinimizable", &TopLevelWindow::SetMinimizable)
       .SetMethod("isMinimizable", &TopLevelWindow::IsMinimizable)
@@ -1056,10 +1112,11 @@ void TopLevelWindow::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("setContentProtection", &TopLevelWindow::SetContentProtection)
       .SetMethod("setFocusable", &TopLevelWindow::SetFocusable)
       .SetMethod("setMenu", &TopLevelWindow::SetMenu)
-#if !defined(OS_WIN)
+      .SetMethod("removeMenu", &TopLevelWindow::RemoveMenu)
       .SetMethod("setParentWindow", &TopLevelWindow::SetParentWindow)
-#endif
       .SetMethod("setBrowserView", &TopLevelWindow::SetBrowserView)
+      .SetMethod("addBrowserView", &TopLevelWindow::AddBrowserView)
+      .SetMethod("removeBrowserView", &TopLevelWindow::RemoveBrowserView)
       .SetMethod("getNativeWindowHandle",
                  &TopLevelWindow::GetNativeWindowHandle)
       .SetMethod("setProgressBar", &TopLevelWindow::SetProgressBar)
@@ -1085,6 +1142,9 @@ void TopLevelWindow::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("addTabbedWindow", &TopLevelWindow::AddTabbedWindow)
       .SetMethod("setWindowButtonVisibility",
                  &TopLevelWindow::SetWindowButtonVisibility)
+      .SetProperty("excludedFromShownWindowsMenu",
+                   &TopLevelWindow::IsExcludedFromShownWindowsMenu,
+                   &TopLevelWindow::SetExcludedFromShownWindowsMenu)
 #endif
       .SetMethod("setAutoHideMenuBar", &TopLevelWindow::SetAutoHideMenuBar)
       .SetMethod("isMenuBarAutoHide", &TopLevelWindow::IsMenuBarAutoHide)
@@ -1097,6 +1157,7 @@ void TopLevelWindow::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getParentWindow", &TopLevelWindow::GetParentWindow)
       .SetMethod("getChildWindows", &TopLevelWindow::GetChildWindows)
       .SetMethod("getBrowserView", &TopLevelWindow::GetBrowserView)
+      .SetMethod("getBrowserViews", &TopLevelWindow::GetBrowserViews)
       .SetMethod("isModal", &TopLevelWindow::IsModal)
       .SetMethod("setThumbarButtons", &TopLevelWindow::SetThumbarButtons)
 #if defined(TOOLKIT_VIEWS)
@@ -1131,8 +1192,9 @@ void Initialize(v8::Local<v8::Object> exports,
   v8::Isolate* isolate = context->GetIsolate();
   TopLevelWindow::SetConstructor(isolate, base::Bind(&TopLevelWindow::New));
 
-  mate::Dictionary constructor(
-      isolate, TopLevelWindow::GetConstructor(isolate)->GetFunction());
+  mate::Dictionary constructor(isolate, TopLevelWindow::GetConstructor(isolate)
+                                            ->GetFunction(context)
+                                            .ToLocalChecked());
   constructor.SetMethod("fromId",
                         &mate::TrackableObject<TopLevelWindow>::FromWeakMapID);
   constructor.SetMethod("getAllWindows",
@@ -1144,4 +1206,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_top_level_window, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_top_level_window, Initialize)

atom/browser/api/atom_api_top_level_window.h

@@ -14,6 +14,8 @@
 #include "atom/browser/native_window.h"
 #include "atom/browser/native_window_observer.h"
 #include "atom/common/api/atom_api_native_image.h"
+#include "base/task/post_task.h"
+#include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
 #include "native_mate/handle.h"
 
@@ -78,7 +80,7 @@ class TopLevelWindow : public mate::TrackableObject<TopLevelWindow>,
   void OnWindowEnterHtmlFullScreen() override;
   void OnWindowLeaveHtmlFullScreen() override;
   void OnWindowAlwaysOnTopChanged() override;
-  void OnExecuteWindowsCommand(const std::string& command_name) override;
+  void OnExecuteAppCommand(const std::string& command_name) override;
   void OnTouchBarItemResult(const std::string& item_id,
                             const base::DictionaryValue& details) override;
   void OnNewWindowForTab() override;
@@ -124,9 +126,7 @@ class TopLevelWindow : public mate::TrackableObject<TopLevelWindow>,
   void SetResizable(bool resizable);
   bool IsResizable();
   void SetMovable(bool movable);
-#if defined(OS_WIN) || defined(OS_MACOSX)
   void MoveTop();
-#endif
   bool IsMovable();
   void SetMinimizable(bool minimizable);
   bool IsMinimizable();
@@ -145,6 +145,8 @@ class TopLevelWindow : public mate::TrackableObject<TopLevelWindow>,
   std::string GetTitle();
   void FlashFrame(bool flash);
   void SetSkipTaskbar(bool skip);
+  void SetExcludedFromShownWindowsMenu(bool excluded);
+  bool IsExcludedFromShownWindowsMenu();
   void SetSimpleFullScreen(bool simple_fullscreen);
   bool IsSimpleFullScreen();
   void SetKiosk(bool kiosk);
@@ -163,8 +165,13 @@ class TopLevelWindow : public mate::TrackableObject<TopLevelWindow>,
   void SetContentProtection(bool enable);
   void SetFocusable(bool focusable);
   void SetMenu(v8::Isolate* isolate, v8::Local<v8::Value> menu);
+  void RemoveMenu();
   void SetParentWindow(v8::Local<v8::Value> value, mate::Arguments* args);
   virtual void SetBrowserView(v8::Local<v8::Value> value);
+  virtual void AddBrowserView(v8::Local<v8::Value> value);
+  virtual void RemoveBrowserView(v8::Local<v8::Value> value);
+  virtual std::vector<v8::Local<v8::Value>> GetBrowserViews() const;
+  virtual void ResetBrowserViews();
   v8::Local<v8::Value> GetNativeWindowHandle();
   void SetProgressBar(double progress, mate::Arguments* args);
   void SetOverlayIcon(const gfx::Image& overlay,
@@ -195,7 +202,7 @@ class TopLevelWindow : public mate::TrackableObject<TopLevelWindow>,
   v8::Local<v8::Value> GetContentView() const;
   v8::Local<v8::Value> GetParentWindow() const;
   std::vector<v8::Local<v8::Object>> GetChildWindows() const;
-  v8::Local<v8::Value> GetBrowserView() const;
+  v8::Local<v8::Value> GetBrowserView(mate::Arguments* args) const;
   bool IsModal() const;
 
   // Extra APIs added in JS.
@@ -226,8 +233,8 @@ class TopLevelWindow : public mate::TrackableObject<TopLevelWindow>,
 
   template <typename... Args>
   void EmitEventSoon(base::StringPiece eventName) {
-    content::BrowserThread::PostTask(
-        content::BrowserThread::UI, FROM_HERE,
+    base::PostTaskWithTraits(
+        FROM_HERE, {content::BrowserThread::UI},
         base::BindOnce(base::IgnoreResult(&TopLevelWindow::Emit<Args...>),
                        weak_factory_.GetWeakPtr(), eventName));
   }
@@ -238,7 +245,7 @@ class TopLevelWindow : public mate::TrackableObject<TopLevelWindow>,
 #endif
 
   v8::Global<v8::Value> content_view_;
-  v8::Global<v8::Value> browser_view_;
+  std::map<int32_t, v8::Global<v8::Value>> browser_views_;
   v8::Global<v8::Value> menu_;
   v8::Global<v8::Value> parent_window_;
   KeyWeakMap<int> child_windows_;

atom/browser/api/atom_api_tray.cc

@@ -59,11 +59,7 @@ Tray::Tray(v8::Isolate* isolate,
   InitWith(isolate, wrapper);
 }
 
-Tray::~Tray() {
-  // Destroy the native tray in next tick.
-  base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE,
-                                                  tray_icon_.release());
-}
+Tray::~Tray() = default;
 
 // static
 mate::WrappableBase* Tray::New(mate::Handle<NativeImage> image,
@@ -159,7 +155,17 @@ void Tray::SetToolTip(const std::string& tool_tip) {
 }
 
 void Tray::SetTitle(const std::string& title) {
+#if defined(OS_MACOSX)
   tray_icon_->SetTitle(title);
+#endif
+}
+
+std::string Tray::GetTitle() {
+#if defined(OS_MACOSX)
+  return tray_icon_->GetTitle();
+#else
+  return "";
+#endif
 }
 
 void Tray::SetHighlightMode(TrayIcon::HighlightMode mode) {
@@ -227,6 +233,7 @@ void Tray::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("setPressedImage", &Tray::SetPressedImage)
       .SetMethod("setToolTip", &Tray::SetToolTip)
       .SetMethod("setTitle", &Tray::SetTitle)
+      .SetMethod("getTitle", &Tray::GetTitle)
       .SetMethod("setHighlightMode", &Tray::SetHighlightMode)
       .SetMethod("setIgnoreDoubleClickEvents",
                  &Tray::SetIgnoreDoubleClickEvents)
@@ -254,9 +261,11 @@ void Initialize(v8::Local<v8::Object> exports,
   Tray::SetConstructor(isolate, base::Bind(&Tray::New));
 
   mate::Dictionary dict(isolate, exports);
-  dict.Set("Tray", Tray::GetConstructor(isolate)->GetFunction());
+  dict.Set(
+      "Tray",
+      Tray::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
 }
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_tray, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_tray, Initialize)

atom/browser/api/atom_api_tray.h

@@ -69,6 +69,7 @@ class Tray : public mate::TrackableObject<Tray>, public TrayIconObserver {
   void SetPressedImage(v8::Isolate* isolate, mate::Handle<NativeImage> image);
   void SetToolTip(const std::string& tool_tip);
   void SetTitle(const std::string& title);
+  std::string GetTitle();
   void SetHighlightMode(TrayIcon::HighlightMode mode);
   void SetIgnoreDoubleClickEvents(bool ignore);
   bool GetIgnoreDoubleClickEvents();

atom/browser/api/atom_api_url_request.cc

@@ -354,7 +354,7 @@ void URLRequest::OnReceivedRedirect(
 }
 
 void URLRequest::OnAuthenticationRequired(
-    scoped_refptr<const net::AuthChallengeInfo> auth_info) {
+    const net::AuthChallengeInfo& auth_info) {
   if (request_state_.Canceled() || request_state_.Closed()) {
     return;
   }
@@ -364,7 +364,7 @@ void URLRequest::OnAuthenticationRequired(
     return;
   }
 
-  Emit("login", auth_info.get(),
+  Emit("login", auth_info,
        base::Bind(&AtomURLRequest::PassLoginInformation, atom_request_));
 }
 

atom/browser/api/atom_api_url_request.h

@@ -105,8 +105,7 @@ class URLRequest : public mate::EventEmitter<URLRequest> {
       const std::string& method,
       const GURL& url,
       scoped_refptr<net::HttpResponseHeaders> response_headers);
-  void OnAuthenticationRequired(
-      scoped_refptr<const net::AuthChallengeInfo> auth_info);
+  void OnAuthenticationRequired(const net::AuthChallengeInfo& auth_info);
   void OnResponseStarted(
       scoped_refptr<net::HttpResponseHeaders> response_headers);
   void OnResponseData(scoped_refptr<const net::IOBufferWithSize> data);

atom/browser/api/atom_api_view.cc

@@ -4,9 +4,8 @@
 
 #include "atom/browser/api/atom_api_view.h"
 
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
 
 namespace atom {
 
@@ -76,8 +75,9 @@ void Initialize(v8::Local<v8::Object> exports,
   v8::Isolate* isolate = context->GetIsolate();
   View::SetConstructor(isolate, base::Bind(&View::New));
 
-  mate::Dictionary constructor(isolate,
-                               View::GetConstructor(isolate)->GetFunction());
+  mate::Dictionary constructor(
+      isolate,
+      View::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
 
   mate::Dictionary dict(isolate, exports);
   dict.Set("View", constructor);
@@ -85,4 +85,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_view, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_view, Initialize)

atom/browser/api/atom_api_web_contents.h

@@ -5,6 +5,7 @@
 #ifndef ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_
 #define ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_
 
+#include <map>
 #include <memory>
 #include <string>
 #include <vector>
@@ -15,24 +16,29 @@
 #include "atom/browser/common_web_contents_delegate.h"
 #include "atom/browser/ui/autofill_popup.h"
 #include "base/observer_list.h"
+#include "base/observer_list_types.h"
 #include "content/common/cursors/webcursor.h"
 #include "content/public/browser/keyboard_event_processing_result.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_binding_set.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/favicon_url.h"
+#include "electron/atom/common/api/api.mojom.h"
 #include "electron/buildflags/buildflags.h"
 #include "native_mate/handle.h"
-#include "printing/backend/print_backend.h"
+#include "printing/buildflags/buildflags.h"
+#include "services/service_manager/public/cpp/binder_registry.h"
 #include "ui/gfx/image/image.h"
 
+#if BUILDFLAG(ENABLE_PRINTING)
+#include "atom/browser/printing/print_preview_message_handler.h"
+#include "printing/backend/print_backend.h"
+#endif
+
 namespace blink {
 struct WebDeviceEmulationParams;
 }
 
-namespace brightray {
-class InspectableWebContents;
-}
-
 namespace mate {
 class Arguments;
 class Dictionary;
@@ -46,12 +52,12 @@ namespace atom {
 
 class AtomBrowserContext;
 class AtomJavaScriptDialogManager;
+class InspectableWebContents;
 class WebContentsZoomController;
 class WebViewGuestDelegate;
 class FrameSubscriber;
 
 #if BUILDFLAG(ENABLE_OSR)
-class OffScreenWebContentsView;
 class OffScreenRenderWidgetHostView;
 #endif
 
@@ -59,16 +65,20 @@ namespace api {
 
 // Certain events are only in WebContentsDelegate, provide our own Observer to
 // dispatch those events.
-class ExtendedWebContentsObserver {
+class ExtendedWebContentsObserver : public base::CheckedObserver {
  public:
   virtual void OnCloseContents() {}
   virtual void OnRendererResponsive() {}
+
+ protected:
+  ~ExtendedWebContentsObserver() override {}
 };
 
 // Wrapper around the content::WebContents.
 class WebContents : public mate::TrackableObject<WebContents>,
                     public CommonWebContentsDelegate,
-                    public content::WebContentsObserver {
+                    public content::WebContentsObserver,
+                    public mojom::ElectronBrowser {
  public:
   enum Type {
     BACKGROUND_PAGE,  // A DevTools extension background page.
@@ -79,29 +89,51 @@ class WebContents : public mate::TrackableObject<WebContents>,
     OFF_SCREEN,       // Used for offscreen rendering
   };
 
-  // For node.js callback function type: function(error, buffer)
-  using PrintToPDFCallback =
-      base::Callback<void(v8::Local<v8::Value>, v8::Local<v8::Value>)>;
-
-  // Create from an existing WebContents.
-  static mate::Handle<WebContents> CreateFrom(
-      v8::Isolate* isolate,
-      content::WebContents* web_contents);
-  static mate::Handle<WebContents> CreateFrom(
-      v8::Isolate* isolate,
-      content::WebContents* web_contents,
-      Type type);
-
-  // Create a new WebContents.
+  // Create a new WebContents and return the V8 wrapper of it.
   static mate::Handle<WebContents> Create(v8::Isolate* isolate,
                                           const mate::Dictionary& options);
 
+  // Create a new V8 wrapper for an existing |web_content|.
+  //
+  // The lifetime of |web_contents| will be managed by this class.
+  static mate::Handle<WebContents> CreateAndTake(
+      v8::Isolate* isolate,
+      std::unique_ptr<content::WebContents> web_contents,
+      Type type);
+
+  // Get the V8 wrapper of |web_content|, return empty handle if not wrapped.
+  static mate::Handle<WebContents> From(v8::Isolate* isolate,
+                                        content::WebContents* web_content);
+
+  // Get the V8 wrapper of the |web_contents|, or create one if not existed.
+  //
+  // The lifetime of |web_contents| is NOT managed by this class, and the type
+  // of this wrapper is always REMOTE.
+  static mate::Handle<WebContents> FromOrCreate(
+      v8::Isolate* isolate,
+      content::WebContents* web_contents);
+
   static void BuildPrototype(v8::Isolate* isolate,
                              v8::Local<v8::FunctionTemplate> prototype);
 
-  // Notifies to destroy any guest web contents before destroying self.
+  base::WeakPtr<WebContents> GetWeakPtr() { return weak_factory_.GetWeakPtr(); }
+
+  // Destroy the managed content::WebContents instance.
+  //
+  // Note: The |async| should only be |true| when users are expecting to use the
+  // webContents immediately after the call. Always pass |false| if you are not
+  // sure.
+  // See https://github.com/electron/electron/issues/8930.
+  //
+  // Note: When destroying a webContents member inside a destructor, the |async|
+  // should always be |false|, otherwise the destroy task might be delayed after
+  // normal shutdown procedure, resulting in an assertion.
+  // The normal pattern for calling this method in destructor is:
+  // api_web_contents_->DestroyWebContents(!Browser::Get()->is_shutting_down())
+  // See https://github.com/electron/electron/issues/15133.
   void DestroyWebContents(bool async);
 
+  void SetBackgroundThrottling(bool allowed);
   int GetProcessID() const;
   base::ProcessId GetOSProcessID() const;
   Type GetType() const;
@@ -124,9 +156,8 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void SetUserAgent(const std::string& user_agent, mate::Arguments* args);
   std::string GetUserAgent();
   void InsertCSS(const std::string& css);
-  bool SavePage(const base::FilePath& full_file_path,
-                const content::SavePageType& save_type,
-                const SavePageHandler::SavePageCallback& callback);
+  v8::Local<v8::Promise> SavePage(const base::FilePath& full_file_path,
+                                  const content::SavePageType& save_type);
   void OpenDevTools(mate::Arguments* args);
   void CloseDevTools();
   bool IsDevToolsOpened();
@@ -135,22 +166,22 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void EnableDeviceEmulation(const blink::WebDeviceEmulationParams& params);
   void DisableDeviceEmulation();
   void InspectElement(int x, int y);
+  void InspectSharedWorker();
   void InspectServiceWorker();
-  void HasServiceWorker(const base::Callback<void(bool)>&);
-  void UnregisterServiceWorker(const base::Callback<void(bool)>&);
   void SetIgnoreMenuShortcuts(bool ignore);
   void SetAudioMuted(bool muted);
   bool IsAudioMuted();
   bool IsCurrentlyAudible();
-  void Print(mate::Arguments* args);
-  std::vector<printing::PrinterBasicInfo> GetPrinterList();
   void SetEmbedder(const WebContents* embedder);
   void SetDevToolsWebContents(const WebContents* devtools);
   v8::Local<v8::Value> GetNativeView() const;
 
+#if BUILDFLAG(ENABLE_PRINTING)
+  void Print(mate::Arguments* args);
+  std::vector<printing::PrinterBasicInfo> GetPrinterList();
   // Print current page as PDF.
-  void PrintToPDF(const base::DictionaryValue& setting,
-                  const PrintToPDFCallback& callback);
+  v8::Local<v8::Promise> PrintToPDF(const base::DictionaryValue& settings);
+#endif
 
   // DevTools workspace api.
   void AddWorkSpace(mate::Arguments* args, const base::FilePath& path);
@@ -190,6 +221,12 @@ class WebContents : public mate::TrackableObject<WebContents>,
                                 const base::ListValue& args,
                                 int32_t sender_id = 0);
 
+  bool SendIPCMessageToFrame(bool internal,
+                             bool send_to_all,
+                             int32_t frame_id,
+                             const std::string& channel,
+                             const base::ListValue& args);
+
   // Send WebInputEvent to the page.
   void SendInputEvent(v8::Isolate* isolate, v8::Local<v8::Value> input_event);
 
@@ -202,12 +239,13 @@ class WebContents : public mate::TrackableObject<WebContents>,
 
   // Captures the page with |rect|, |callback| would be called when capturing is
   // done.
-  void CapturePage(mate::Arguments* args);
+  v8::Local<v8::Promise> CapturePage(mate::Arguments* args);
 
   // Methods for creating <webview>.
   bool IsGuest() const;
   void AttachToIframe(content::WebContents* embedder_web_contents,
                       int embedder_frame_id);
+  void DetachFromOuterFrame();
 
   // Methods for offscreen rendering
   bool IsOffScreen() const;
@@ -249,6 +287,8 @@ class WebContents : public mate::TrackableObject<WebContents>,
   v8::Local<v8::Value> GetWebPreferences(v8::Isolate* isolate) const;
   v8::Local<v8::Value> GetLastWebPreferences(v8::Isolate* isolate) const;
 
+  bool IsRemoteModuleEnabled() const;
+
   // Returns the owner window.
   v8::Local<v8::Value> GetOwnerBrowserWindow() const;
 
@@ -256,8 +296,8 @@ class WebContents : public mate::TrackableObject<WebContents>,
   // the specified URL.
   void GrantOriginAccess(const GURL& url);
 
-  bool TakeHeapSnapshot(const base::FilePath& file_path,
-                        const std::string& channel);
+  void TakeHeapSnapshot(const base::FilePath& file_path,
+                        base::Callback<void(bool)>);
 
   // Properties.
   int32_t ID() const;
@@ -272,27 +312,34 @@ class WebContents : public mate::TrackableObject<WebContents>,
     observers_.AddObserver(obs);
   }
   void RemoveObserver(ExtendedWebContentsObserver* obs) {
-    observers_.RemoveObserver(obs);
+    // Trying to remove from an empty collection leads to an access violation
+    if (observers_.might_have_observers())
+      observers_.RemoveObserver(obs);
   }
 
   bool EmitNavigationEvent(const std::string& event,
                            content::NavigationHandle* navigation_handle);
 
  protected:
+  // Does not manage lifetime of |web_contents|.
+  WebContents(v8::Isolate* isolate, content::WebContents* web_contents);
+  // Takes over ownership of |web_contents|.
   WebContents(v8::Isolate* isolate,
-              content::WebContents* web_contents,
+              std::unique_ptr<content::WebContents> web_contents,
               Type type);
+  // Creates a new content::WebContents.
   WebContents(v8::Isolate* isolate, const mate::Dictionary& options);
   ~WebContents() override;
 
-  void InitWithSessionAndOptions(v8::Isolate* isolate,
-                                 content::WebContents* web_contents,
-                                 mate::Handle<class Session> session,
-                                 const mate::Dictionary& options);
+  void InitWithSessionAndOptions(
+      v8::Isolate* isolate,
+      std::unique_ptr<content::WebContents> web_contents,
+      mate::Handle<class Session> session,
+      const mate::Dictionary& options);
 
   // content::WebContentsDelegate:
   bool DidAddMessageToConsole(content::WebContents* source,
-                              int32_t level,
+                              blink::mojom::ConsoleMessageLevel level,
                               const base::string16& message,
                               int32_t line_no,
                               const base::string16& source_id) override;
@@ -319,7 +366,7 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void CloseContents(content::WebContents* source) override;
   void ActivateContents(content::WebContents* contents) override;
   void UpdateTargetURL(content::WebContents* source, const GURL& url) override;
-  void HandleKeyboardEvent(
+  bool HandleKeyboardEvent(
       content::WebContents* source,
       const content::NativeWebKeyboardEvent& event) override;
   content::KeyboardEventProcessingResult PreHandleKeyboardEvent(
@@ -337,7 +384,8 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void RendererResponsive(
       content::WebContents* source,
       content::RenderWidgetHost* render_widget_host) override;
-  bool HandleContextMenu(const content::ContextMenuParams& params) override;
+  bool HandleContextMenu(content::RenderFrameHost* render_frame_host,
+                         const content::ContextMenuParams& params) override;
   bool OnGoToEntryOffset(int offset) override;
   void FindReply(content::WebContents* web_contents,
                  int request_id,
@@ -347,7 +395,7 @@ class WebContents : public mate::TrackableObject<WebContents>,
                  bool final_update) override;
   bool CheckMediaAccessPermission(content::RenderFrameHost* render_frame_host,
                                   const GURL& security_origin,
-                                  content::MediaStreamType type) override;
+                                  blink::MediaStreamType type) override;
   void RequestMediaAccessPermission(
       content::WebContents* web_contents,
       const content::MediaStreamRequest& request,
@@ -363,10 +411,14 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void OnAudioStateChanged(bool audible) override;
 
   // content::WebContentsObserver:
-  void BeforeUnloadFired(const base::TimeTicks& proceed_time) override;
+  void BeforeUnloadFired(bool proceed,
+                         const base::TimeTicks& proceed_time) override;
   void RenderViewCreated(content::RenderViewHost*) override;
+  void RenderViewHostChanged(content::RenderViewHost* old_host,
+                             content::RenderViewHost* new_host) override;
   void RenderViewDeleted(content::RenderViewHost*) override;
   void RenderProcessGone(base::TerminationStatus status) override;
+  void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
   void DocumentLoadedInFrame(
       content::RenderFrameHost* render_frame_host) override;
   void DidFinishLoad(content::RenderFrameHost* render_frame_host,
@@ -395,17 +447,22 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void PluginCrashed(const base::FilePath& plugin_path,
                      base::ProcessId plugin_pid) override;
   void MediaStartedPlaying(const MediaPlayerInfo& video_type,
-                           const MediaPlayerId& id) override;
+                           const content::MediaPlayerId& id) override;
   void MediaStoppedPlaying(
       const MediaPlayerInfo& video_type,
-      const MediaPlayerId& id,
+      const content::MediaPlayerId& id,
       content::WebContentsObserver::MediaStoppedReason reason) override;
-  void DidChangeThemeColor(SkColor theme_color) override;
+  void DidChangeThemeColor(base::Optional<SkColor> theme_color) override;
+  void OnInterfaceRequestFromFrame(
+      content::RenderFrameHost* render_frame_host,
+      const std::string& interface_name,
+      mojo::ScopedMessagePipeHandle* interface_pipe) override;
+  void DidAcquireFullscreen(content::RenderFrameHost* rfh) override;
 
-  // brightray::InspectableWebContentsDelegate:
+  // InspectableWebContentsDelegate:
   void DevToolsReloadPage() override;
 
-  // brightray::InspectableWebContentsViewDelegate:
+  // InspectableWebContentsViewDelegate:
   void DevToolsFocused() override;
   void DevToolsOpened() override;
   void DevToolsClosed() override;
@@ -421,35 +478,37 @@ class WebContents : public mate::TrackableObject<WebContents>,
   struct FrameDispatchHelper;
   AtomBrowserContext* GetBrowserContext() const;
 
+  // Binds the given request for the ElectronBrowser API. When the
+  // RenderFrameHost is destroyed, all related bindings will be removed.
+  void BindElectronBrowser(mojom::ElectronBrowserRequest request,
+                           content::RenderFrameHost* render_frame_host);
+  void OnElectronBrowserConnectionError();
+
   uint32_t GetNextRequestId() { return ++request_id_; }
 
 #if BUILDFLAG(ENABLE_OSR)
-  OffScreenWebContentsView* GetOffScreenWebContentsView() const;
+  OffScreenWebContentsView* GetOffScreenWebContentsView() const override;
   OffScreenRenderWidgetHostView* GetOffScreenRenderWidgetHostView() const;
 #endif
 
+  // mojom::ElectronBrowser
+  void Message(bool internal,
+               const std::string& channel,
+               base::Value arguments) override;
+  void MessageSync(bool internal,
+                   const std::string& channel,
+                   base::Value arguments,
+                   MessageSyncCallback callback) override;
+  void MessageTo(bool internal,
+                 bool send_to_all,
+                 int32_t web_contents_id,
+                 const std::string& channel,
+                 base::Value arguments) override;
+  void MessageHost(const std::string& channel, base::Value arguments) override;
+
   // Called when we receive a CursorChange message from chromium.
   void OnCursorChange(const content::WebCursor& cursor);
 
-  // Called when received a message from renderer.
-  void OnRendererMessage(content::RenderFrameHost* frame_host,
-                         const std::string& channel,
-                         const base::ListValue& args);
-
-  // Called when received a synchronous message from renderer.
-  void OnRendererMessageSync(content::RenderFrameHost* frame_host,
-                             const std::string& channel,
-                             const base::ListValue& args,
-                             IPC::Message* message);
-
-  // Called when received a message from renderer to be forwarded.
-  void OnRendererMessageTo(content::RenderFrameHost* frame_host,
-                           bool internal,
-                           bool send_to_all,
-                           int32_t web_contents_id,
-                           const std::string& channel,
-                           const base::ListValue& args);
-
   // Called when received a synchronous message from renderer to
   // set temporary zoom level.
   void OnSetTemporaryZoomLevel(content::RenderFrameHost* frame_host,
@@ -470,7 +529,6 @@ class WebContents : public mate::TrackableObject<WebContents>,
 
   std::unique_ptr<AtomJavaScriptDialogManager> dialog_manager_;
   std::unique_ptr<WebViewGuestDelegate> guest_delegate_;
-
   std::unique_ptr<FrameSubscriber> frame_subscriber_;
 
   // The host webcontents that may contain this webcontents.
@@ -494,6 +552,17 @@ class WebContents : public mate::TrackableObject<WebContents>,
   // Observers of this WebContents.
   base::ObserverList<ExtendedWebContentsObserver> observers_;
 
+  // The ID of the process of the currently committed RenderViewHost.
+  // -1 means no speculative RVH has been committed yet.
+  int currently_committed_process_id_ = -1;
+
+  service_manager::BinderRegistryWithArgs<content::RenderFrameHost*> registry_;
+  mojo::BindingSet<mojom::ElectronBrowser, content::RenderFrameHost*> bindings_;
+  std::map<content::RenderFrameHost*, std::vector<mojo::BindingId>>
+      frame_to_bindings_map_;
+
+  base::WeakPtrFactory<WebContents> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(WebContents);
 };
 

atom/browser/api/atom_api_web_contents_impl.cc

@@ -0,0 +1,62 @@
+// Copyright (c) 2018 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/api/atom_api_web_contents.h"
+
+#include "content/browser/frame_host/frame_tree.h"           // nogncheck
+#include "content/browser/frame_host/frame_tree_node.h"      // nogncheck
+#include "content/browser/web_contents/web_contents_impl.h"  // nogncheck
+#include "content/public/browser/guest_mode.h"
+
+#if BUILDFLAG(ENABLE_OSR)
+#include "atom/browser/osr/osr_render_widget_host_view.h"
+#include "atom/browser/osr/osr_web_contents_view.h"
+#endif
+
+// Including both web_contents_impl.h and node.h would introduce a error, we
+// have to isolate the usage of WebContentsImpl into a clean file to fix it:
+// error C2371: 'ssize_t': redefinition; different basic types
+
+namespace atom {
+
+namespace api {
+
+void WebContents::DetachFromOuterFrame() {
+  // See detach_webview_frame.patch on how to detach.
+  DCHECK(content::GuestMode::IsCrossProcessFrameGuest(web_contents()));
+  int frame_tree_node_id =
+      static_cast<content::WebContentsImpl*>(web_contents())
+          ->GetOuterDelegateFrameTreeNodeId();
+  if (frame_tree_node_id != content::FrameTreeNode::kFrameTreeNodeInvalidId) {
+    auto* node = content::FrameTreeNode::GloballyFindByID(frame_tree_node_id);
+    DCHECK(node->parent());
+    node->frame_tree()->RemoveFrame(node);
+  }
+}
+
+#if BUILDFLAG(ENABLE_OSR)
+OffScreenWebContentsView* WebContents::GetOffScreenWebContentsView() const {
+  if (IsOffScreen()) {
+    const auto* impl =
+        static_cast<const content::WebContentsImpl*>(web_contents());
+    return static_cast<OffScreenWebContentsView*>(impl->GetView());
+  } else {
+    return nullptr;
+  }
+}
+
+OffScreenRenderWidgetHostView* WebContents::GetOffScreenRenderWidgetHostView()
+    const {
+  if (IsOffScreen()) {
+    return static_cast<OffScreenRenderWidgetHostView*>(
+        web_contents()->GetRenderWidgetHostView());
+  } else {
+    return nullptr;
+  }
+}
+#endif
+
+}  // namespace api
+
+}  // namespace atom

atom/browser/api/atom_api_web_contents_mac.mm

@@ -17,7 +17,7 @@ bool WebContents::IsFocused() const {
     return false;
 
   if (GetType() != BACKGROUND_PAGE) {
-    auto window = [web_contents()->GetNativeView() window];
+    auto window = [web_contents()->GetNativeView().GetNativeNSView() window];
     // On Mac the render widget host view does not lose focus when the window
     // loses focus so check if the top level window is the key window.
     if (window && ![window isKeyWindow])

atom/browser/api/atom_api_web_contents_osr.cc

@@ -1,33 +0,0 @@
-// Copyright (c) 2018 GitHub, Inc.
-// Use of this source code is governed by the MIT license that can be
-// found in the LICENSE file.
-
-#include "atom/browser/api/atom_api_web_contents.h"
-
-#include "atom/browser/osr/osr_render_widget_host_view.h"
-#include "atom/browser/osr/osr_web_contents_view.h"
-#include "content/browser/web_contents/web_contents_impl.h"
-
-// Including both web_contents_impl.h and node.h would introduce a error, we
-// have to isolate the usage of WebContentsImpl into a clean file to fix it:
-// error C2371: 'ssize_t': redefinition; different basic types
-
-namespace atom {
-
-namespace api {
-
-OffScreenWebContentsView* WebContents::GetOffScreenWebContentsView() const {
-  const auto* impl =
-      static_cast<const content::WebContentsImpl*>(web_contents());
-  return static_cast<OffScreenWebContentsView*>(impl->GetView());
-}
-
-OffScreenRenderWidgetHostView* WebContents::GetOffScreenRenderWidgetHostView()
-    const {
-  return static_cast<OffScreenRenderWidgetHostView*>(
-      web_contents()->GetRenderWidgetHostView());
-}
-
-}  // namespace api
-
-}  // namespace atom

atom/browser/api/atom_api_web_contents_view.cc

@@ -5,8 +5,10 @@
 #include "atom/browser/api/atom_api_web_contents_view.h"
 
 #include "atom/browser/api/atom_api_web_contents.h"
+#include "atom/browser/browser.h"
+#include "atom/browser/ui/inspectable_web_contents_view.h"
 #include "atom/common/api/constructor.h"
-#include "brightray/browser/inspectable_web_contents_view.h"
+#include "atom/common/node_includes.h"
 #include "content/public/browser/web_contents_user_data.h"
 #include "native_mate/dictionary.h"
 
@@ -14,8 +16,6 @@
 #include "atom/browser/ui/cocoa/delayed_native_view_host.h"
 #endif
 
-#include "atom/common/node_includes.h"
-
 namespace {
 
 // Used to indicate whether a WebContents already has a view.
@@ -30,12 +30,14 @@ class WebContentsViewRelay
 
   atom::api::WebContentsView* view_ = nullptr;
 
+  WEB_CONTENTS_USER_DATA_KEY_DECL();
+
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewRelay);
 };
 
-}  // namespace
+WEB_CONTENTS_USER_DATA_KEY_IMPL(WebContentsViewRelay)
 
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(WebContentsViewRelay);
+}  // namespace
 
 namespace atom {
 
@@ -43,7 +45,7 @@ namespace api {
 
 WebContentsView::WebContentsView(v8::Isolate* isolate,
                                  mate::Handle<WebContents> web_contents,
-                                 brightray::InspectableWebContents* iwc)
+                                 InspectableWebContents* iwc)
 #if defined(OS_MACOSX)
     : View(new DelayedNativeViewHost(iwc->GetView()->GetNativeView())),
 #else
@@ -64,8 +66,11 @@ WebContentsView::WebContentsView(v8::Isolate* isolate,
 }
 
 WebContentsView::~WebContentsView() {
-  if (api_web_contents_)
-    api_web_contents_->DestroyWebContents(false /* async */);
+  if (api_web_contents_) {  // destroy() is called
+    // Destroy WebContents asynchronously unless app is shutting down,
+    // because destroy() might be called inside WebContents's event handler.
+    api_web_contents_->DestroyWebContents(!Browser::Get()->is_shutting_down());
+  }
 }
 
 void WebContentsView::WebContentsDestroyed() {
@@ -125,4 +130,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_web_contents_view, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_web_contents_view, Initialize)

atom/browser/api/atom_api_web_contents_view.h

@@ -9,12 +9,10 @@
 #include "content/public/browser/web_contents_observer.h"
 #include "native_mate/handle.h"
 
-namespace brightray {
-class InspectableWebContents;
-}
-
 namespace atom {
 
+class InspectableWebContents;
+
 namespace api {
 
 class WebContents;
@@ -30,7 +28,7 @@ class WebContentsView : public View, public content::WebContentsObserver {
  protected:
   WebContentsView(v8::Isolate* isolate,
                   mate::Handle<WebContents> web_contents,
-                  brightray::InspectableWebContents* iwc);
+                  InspectableWebContents* iwc);
   ~WebContentsView() override;
 
   // content::WebContentsObserver:

atom/browser/api/atom_api_web_request.cc

@@ -12,6 +12,8 @@
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/net_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "base/task/post_task.h"
+#include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
@@ -29,7 +31,7 @@ struct Converter<URLPattern> {
     if (!ConvertFromV8(isolate, val, &pattern))
       return false;
     *out = URLPattern(URLPattern::SCHEME_ALL);
-    return out->Parse(pattern) == URLPattern::PARSE_SUCCESS;
+    return out->Parse(pattern) == URLPattern::ParseResult::kSuccess;
   }
 };
 
@@ -97,8 +99,8 @@ void WebRequest::SetListener(Method method, Event type, mate::Arguments* args) {
       browser_context_->GetRequestContext());
   if (!url_request_context_getter)
     return;
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&CallNetworkDelegateMethod<Method, Event, Listener>,
                      base::RetainedRef(url_request_context_getter), method,
                      type, std::move(patterns), std::move(listener)));

atom/browser/api/atom_api_web_view_manager.cc

@@ -7,14 +7,11 @@
 #include "atom/browser/web_view_manager.h"
 #include "atom/common/native_mate_converters/content_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "atom/common/options_switches.h"
 #include "content/public/browser/browser_context.h"
 #include "native_mate/dictionary.h"
 
-// Must be the last in the includes list.
-// See https://github.com/electron/electron/issues/10363
-#include "atom/common/node_includes.h"
-
 using atom::WebContentsPreferences;
 
 namespace {
@@ -55,4 +52,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_web_view_manager, Initialize)
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_web_view_manager, Initialize)

atom/browser/api/event.cc

@@ -4,6 +4,8 @@
 
 #include "atom/browser/api/event.h"
 
+#include <utility>
+
 #include "atom/common/api/api_messages.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
@@ -20,11 +22,11 @@ Event::Event(v8::Isolate* isolate) {
 Event::~Event() {}
 
 void Event::SetSenderAndMessage(content::RenderFrameHost* sender,
-                                IPC::Message* message) {
+                                base::Optional<MessageSyncCallback> callback) {
   DCHECK(!sender_);
-  DCHECK(!message_);
+  DCHECK(!callback_);
   sender_ = sender;
-  message_ = message;
+  callback_ = std::move(callback);
 
   Observe(content::WebContents::FromRenderFrameHost(sender));
 }
@@ -33,7 +35,7 @@ void Event::RenderFrameDeleted(content::RenderFrameHost* rfh) {
   if (sender_ != rfh)
     return;
   sender_ = nullptr;
-  message_ = nullptr;
+  callback_.reset();
 }
 
 void Event::RenderFrameHostChanged(content::RenderFrameHost* old_rfh,
@@ -46,22 +48,23 @@ void Event::FrameDeleted(content::RenderFrameHost* rfh) {
   if (sender_ != rfh)
     return;
   sender_ = nullptr;
-  message_ = nullptr;
+  callback_.reset();
 }
 
 void Event::PreventDefault(v8::Isolate* isolate) {
-  GetWrapper()->Set(StringToV8(isolate, "defaultPrevented"), v8::True(isolate));
+  GetWrapper()
+      ->Set(isolate->GetCurrentContext(),
+            StringToV8(isolate, "defaultPrevented"), v8::True(isolate))
+      .Check();
 }
 
 bool Event::SendReply(const base::ListValue& result) {
-  if (message_ == nullptr || sender_ == nullptr)
+  if (!callback_ || sender_ == nullptr)
     return false;
 
-  AtomFrameHostMsg_Message_Sync::WriteReplyParams(message_, result);
-  bool success = sender_->Send(message_);
-  message_ = nullptr;
-  sender_ = nullptr;
-  return success;
+  std::move(*callback_).Run(result.Clone());
+  callback_.reset();
+  return true;
 }
 
 // static

atom/browser/api/event.h

@@ -5,7 +5,9 @@
 #ifndef ATOM_BROWSER_API_EVENT_H_
 #define ATOM_BROWSER_API_EVENT_H_
 
+#include "base/optional.h"
 #include "content/public/browser/web_contents_observer.h"
+#include "electron/atom/common/api/api.mojom.h"
 #include "native_mate/handle.h"
 #include "native_mate/wrappable.h"
 
@@ -17,6 +19,7 @@ namespace mate {
 
 class Event : public Wrappable<Event>, public content::WebContentsObserver {
  public:
+  using MessageSyncCallback = atom::mojom::ElectronBrowser::MessageSyncCallback;
   static Handle<Event> Create(v8::Isolate* isolate);
 
   static void BuildPrototype(v8::Isolate* isolate,
@@ -24,7 +27,7 @@ class Event : public Wrappable<Event>, public content::WebContentsObserver {
 
   // Pass the sender and message to be replied.
   void SetSenderAndMessage(content::RenderFrameHost* sender,
-                           IPC::Message* message);
+                           base::Optional<MessageSyncCallback> callback);
 
   // event.PreventDefault().
   void PreventDefault(v8::Isolate* isolate);
@@ -45,7 +48,7 @@ class Event : public Wrappable<Event>, public content::WebContentsObserver {
  private:
   // Replyer for the synchronous messages.
   content::RenderFrameHost* sender_ = nullptr;
-  IPC::Message* message_ = nullptr;
+  base::Optional<MessageSyncCallback> callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Event);
 };

atom/browser/api/event_emitter.cc

@@ -4,14 +4,16 @@
 
 #include "atom/browser/api/event_emitter.h"
 
+#include <utility>
+
 #include "atom/browser/api/event.h"
+#include "atom/common/node_includes.h"
+#include "content/public/browser/render_frame_host.h"
 #include "native_mate/arguments.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
 #include "ui/events/event_constants.h"
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 
 namespace {
@@ -34,28 +36,34 @@ v8::Local<v8::Object> CreateEventObject(v8::Isolate* isolate) {
   }
 
   return v8::Local<v8::ObjectTemplate>::New(isolate, event_template)
-      ->NewInstance();
+      ->NewInstance(isolate->GetCurrentContext())
+      .ToLocalChecked();
 }
 
 }  // namespace
 
 namespace internal {
 
-v8::Local<v8::Object> CreateJSEvent(v8::Isolate* isolate,
-                                    v8::Local<v8::Object> object,
-                                    content::RenderFrameHost* sender,
-                                    IPC::Message* message) {
+v8::Local<v8::Object> CreateJSEvent(
+    v8::Isolate* isolate,
+    v8::Local<v8::Object> object,
+    content::RenderFrameHost* sender,
+    base::Optional<atom::mojom::ElectronBrowser::MessageSyncCallback>
+        callback) {
   v8::Local<v8::Object> event;
-  bool use_native_event = sender && message;
+  bool use_native_event = sender && callback;
 
   if (use_native_event) {
     mate::Handle<mate::Event> native_event = mate::Event::Create(isolate);
-    native_event->SetSenderAndMessage(sender, message);
+    native_event->SetSenderAndMessage(sender, std::move(callback));
     event = v8::Local<v8::Object>::Cast(native_event.ToV8());
   } else {
     event = CreateEventObject(isolate);
   }
-  mate::Dictionary(isolate, event).Set("sender", object);
+  mate::Dictionary dict(isolate, event);
+  dict.Set("sender", object);
+  if (sender)
+    dict.Set("frameId", sender->GetRoutingID());
   return event;
 }
 
@@ -74,6 +82,7 @@ v8::Local<v8::Object> CreateEventFromFlags(v8::Isolate* isolate, int flags) {
   obj.Set("ctrlKey", static_cast<bool>(flags & ui::EF_CONTROL_DOWN));
   obj.Set("altKey", static_cast<bool>(flags & ui::EF_ALT_DOWN));
   obj.Set("metaKey", static_cast<bool>(flags & ui::EF_COMMAND_DOWN));
+  obj.Set("triggeredByAccelerator", static_cast<bool>(flags));
   return obj.GetHandle();
 }
 

atom/browser/api/event_emitter.h

@@ -5,27 +5,28 @@
 #ifndef ATOM_BROWSER_API_EVENT_EMITTER_H_
 #define ATOM_BROWSER_API_EVENT_EMITTER_H_
 
+#include <utility>
 #include <vector>
 
 #include "atom/common/api/event_emitter_caller.h"
+#include "base/optional.h"
+#include "content/public/browser/browser_thread.h"
+#include "electron/atom/common/api/api.mojom.h"
 #include "native_mate/wrappable.h"
 
 namespace content {
 class RenderFrameHost;
 }
 
-namespace IPC {
-class Message;
-}
-
 namespace mate {
 
 namespace internal {
 
-v8::Local<v8::Object> CreateJSEvent(v8::Isolate* isolate,
-                                    v8::Local<v8::Object> object,
-                                    content::RenderFrameHost* sender,
-                                    IPC::Message* message);
+v8::Local<v8::Object> CreateJSEvent(
+    v8::Isolate* isolate,
+    v8::Local<v8::Object> object,
+    content::RenderFrameHost* sender,
+    base::Optional<atom::mojom::ElectronBrowser::MessageSyncCallback> callback);
 v8::Local<v8::Object> CreateCustomEvent(v8::Isolate* isolate,
                                         v8::Local<v8::Object> object,
                                         v8::Local<v8::Object> event);
@@ -68,23 +69,25 @@ class EventEmitter : public Wrappable<T> {
   // this.emit(name, new Event(), args...);
   template <typename... Args>
   bool Emit(const base::StringPiece& name, const Args&... args) {
-    return EmitWithSender(name, nullptr, nullptr, args...);
+    return EmitWithSender(name, nullptr, base::nullopt, args...);
   }
 
   // this.emit(name, new Event(sender, message), args...);
   template <typename... Args>
-  bool EmitWithSender(const base::StringPiece& name,
-                      content::RenderFrameHost* sender,
-                      IPC::Message* message,
-                      const Args&... args) {
+  bool EmitWithSender(
+      const base::StringPiece& name,
+      content::RenderFrameHost* sender,
+      base::Optional<atom::mojom::ElectronBrowser::MessageSyncCallback>
+          callback,
+      const Args&... args) {
     v8::Locker locker(isolate());
     v8::HandleScope handle_scope(isolate());
     v8::Local<v8::Object> wrapper = GetWrapper();
     if (wrapper.IsEmpty()) {
       return false;
     }
-    v8::Local<v8::Object> event =
-        internal::CreateJSEvent(isolate(), wrapper, sender, message);
+    v8::Local<v8::Object> event = internal::CreateJSEvent(
+        isolate(), wrapper, sender, std::move(callback));
     return EmitWithEvent(name, event, args...);
   }
 
@@ -97,11 +100,17 @@ class EventEmitter : public Wrappable<T> {
   bool EmitWithEvent(const base::StringPiece& name,
                      v8::Local<v8::Object> event,
                      const Args&... args) {
+    DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
     v8::Locker locker(isolate());
     v8::HandleScope handle_scope(isolate());
     EmitEvent(isolate(), GetWrapper(), name, event, args...);
-    return event->Get(StringToV8(isolate(), "defaultPrevented"))
-        ->BooleanValue();
+    auto context = isolate()->GetCurrentContext();
+    v8::Local<v8::Value> defaultPrevented;
+    if (event->Get(context, StringToV8(isolate(), "defaultPrevented"))
+            .ToLocal(&defaultPrevented)) {
+      return defaultPrevented->BooleanValue(isolate());
+    }
+    return false;
   }
 
   DISALLOW_COPY_AND_ASSIGN(EventEmitter);