Bump v18.2.4

Co-authored-by: Milan Burda <milan.burda@gmail.com>

.circleci/.gitignore

@@ -0,0 +1 @@
+config-staging

.circleci/config/build.js

@@ -0,0 +1,34 @@
+const cp = require('child_process');
+const fs = require('fs-extra');
+const path = require('path');
+const yaml = require('js-yaml');
+
+const STAGING_DIR = path.resolve(__dirname, '..', 'config-staging');
+
+function copyAndExpand(dir = './') {
+    const absDir = path.resolve(__dirname, dir);
+    const targetDir = path.resolve(STAGING_DIR, dir);
+
+    if (!fs.existsSync(targetDir)) {
+        fs.mkdirSync(targetDir);
+    }
+
+    for (const file of fs.readdirSync(absDir)) {
+        if (!file.endsWith('.yml')) {
+            if (fs.statSync(path.resolve(absDir, file)).isDirectory()) {
+                copyAndExpand(path.join(dir, file));
+            }
+            continue;
+        }
+
+        fs.writeFileSync(path.resolve(targetDir, file), yaml.dump(yaml.load(fs.readFileSync(path.resolve(absDir, file), 'utf8')), {
+            noRefs: true,
+        }));
+    }
+}
+
+if (fs.pathExists(STAGING_DIR)) fs.removeSync(STAGING_DIR);
+copyAndExpand();
+
+const output = cp.spawnSync(process.env.CIRCLECI_BINARY || 'circleci', ['config', 'pack', STAGING_DIR]);
+fs.writeFileSync(path.resolve(STAGING_DIR, 'built.yml'), output.stdout.toString());

.circleci/config/jobs/lint.yml

@@ -0,0 +1,51 @@
+executor:
+  name: linux-docker
+  size: medium
+steps:
+  - checkout:
+      path: src/electron
+  - run:
+      name: Setup third_party Depot Tools
+      command: |
+        # "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 src/third_party/depot_tools
+        echo 'export PATH="$PATH:'"$PWD"'/src/third_party/depot_tools"' >> $BASH_ENV
+  - run:
+      name: Download GN Binary
+      command: |
+        chromium_revision="$(grep -A1 chromium_version src/electron/DEPS | tr -d '\n' | cut -d\' -f4)"
+        gn_version="$(curl -sL "https://chromium.googlesource.com/chromium/src/+/${chromium_revision}/DEPS?format=TEXT" | base64 -d | grep gn_version | head -n1 | cut -d\' -f4)"
+
+        cipd ensure -ensure-file - -root . \<<-CIPD
+        \$ServiceURL https://chrome-infra-packages.appspot.com/
+        @Subdir src/buildtools/linux64
+        gn/gn/linux-amd64 $gn_version
+        CIPD
+
+        echo 'export CHROMIUM_BUILDTOOLS_PATH="'"$PWD"'/src/buildtools"' >> $BASH_ENV
+  - run:
+      name: Download clang-format Binary
+      command: |
+        chromium_revision="$(grep -A1 chromium_version src/electron/DEPS | tr -d '\n' | cut -d\' -f4)"
+
+        sha1_path='buildtools/linux64/clang-format.sha1'
+        curl -sL "https://chromium.googlesource.com/chromium/src/+/${chromium_revision}/${sha1_path}?format=TEXT" | base64 -d > "src/${sha1_path}"
+
+        download_from_google_storage.py --no_resume --no_auth --bucket chromium-clang-format -s "src/${sha1_path}"
+  - run:
+      name: Run Lint
+      command: |
+        # 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.
+
+        cd src/electron
+        node script/yarn install --frozen-lockfile
+        node script/yarn lint
+  - run:
+      name: Run Script Typechecker
+      command: |
+        cd src/electron
+        node script/yarn tsc -p tsconfig.script.json

.circleci/config/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "@electron/circleci-config",
+  "version": "0.0.0",
+  "private": true,
+  "license": "MIT",
+  "dependencies": {
+    "fs-extra": "^10.1.0",
+    "js-yaml": "^4.1.0"
+  }
+}

.circleci/config/yarn.lock

@@ -0,0 +1,43 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+argparse@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"
+  integrity sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==
+
+fs-extra@^10.1.0:
+  version "10.1.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-10.1.0.tgz#02873cfbc4084dde127eaa5f9905eef2325d1abf"
+  integrity sha512-oRXApq54ETRj4eMiFzGnHWGy+zo5raudjuxN0b8H7s/RU2oW0Wvsx9O0ACRN/kRq9E8Vu/ReskGB5o3ji+FzHQ==
+  dependencies:
+    graceful-fs "^4.2.0"
+    jsonfile "^6.0.1"
+    universalify "^2.0.0"
+
+graceful-fs@^4.1.6, graceful-fs@^4.2.0:
+  version "4.2.10"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.10.tgz#147d3a006da4ca3ce14728c7aefc287c367d7a6c"
+  integrity sha512-9ByhssR2fPVsNZj478qUUbKfmL0+t5BDVyjShtyZZLiK7ZDAArFFfopyOTj0M05wE2tJPisA4iTnnXl2YoPvOA==
+
+js-yaml@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.1.0.tgz#c1fb65f8f5017901cdd2c951864ba18458a10602"
+  integrity sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==
+  dependencies:
+    argparse "^2.0.1"
+
+jsonfile@^6.0.1:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-6.1.0.tgz#bc55b2634793c679ec6403094eb13698a6ec0aae"
+  integrity sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==
+  dependencies:
+    universalify "^2.0.0"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
+universalify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-2.0.0.tgz#75a4984efedc4b08975c5aeb73f530d02df25717"
+  integrity sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==

.devcontainer/README.md

@@ -0,0 +1,59 @@
+# Electron Dev on Codespaces
+
+Welcome to the Codespaces Electron Developer Environment.
+
+## Quick Start
+
+Upon creation of your codespace you should have [build tools](https://github.com/electron/build-tools) installed and an initialized gclient checkout of Electron.  In order to build electron you'll need to run the following commands.
+
+```bash
+e sync -vv
+e build
+```
+
+The initial sync will take approximately ~30 minutes and the build will take ~8 minutes.  Incremental syncs and incremental builds are substantially quicker.
+
+## Directory Structure
+
+Codespaces doesn't lean very well into gclient based checkouts, the directory structure is slightly strange.  There are two locations for the `electron` checkout that both map to the same files under the hood.
+
+```graphql
+# Primary gclient checkout container
+/workspaces/gclient/*
+  └─ src/* - # Chromium checkout
+     └─ electron - # Electron checkout
+# Symlinked Electron checkout (identical to the above)
+/workspaces/electron
+```
+
+## Goma
+
+If you are a maintainer [with Goma access](../docs/development/goma.md) it should be automatically configured and authenticated when you spin up a new codespaces instance.  You can validate this by checking `e d goma_auth info` or by checking that your build-tools configuration has a goma mode of `cluster`.
+
+## Running Electron
+
+You can run Electron in a few ways.  If you just want to see if it launches:
+
+```bash
+# Enter an interactive JS prompt headlessly
+xvfb-run e start -i
+```
+
+But if you want to actually see Electron you will need to use the built-in VNC capability.  If you click "Ports" in codespaces and then open the `VNC web client` forwarded port you should see a web based VNC portal in your browser.  When you are asked for a password use `builduser`.
+
+Once in the VNC UI you can open `Applications -> System -> XTerm` which will open a VNC based terminal app and then you can run `e start` like normal and Electron will open in your VNC session.
+
+## Running Tests
+
+You run tests via build-tools and `xvfb`.
+
+```bash
+# Run all tests
+xvfb-run e test
+
+# Run the main process tests
+xvfb-run e test --runners=main
+
+# Run the old remote tests
+xvfb-run e test --runners=remote
+```

.devcontainer/devcontainer.json

@@ -0,0 +1,43 @@
+{
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "buildtools",
+	"onCreateCommand": ".devcontainer/on-create-command.sh",
+	"workspaceFolder": "/workspaces/gclient/src/electron",
+	"extensions": [
+		"joeleinbinder.mojom-language",
+		"rafaelmaiolla.diff",
+		"surajbarkale.ninja",
+		"ms-vscode.cpptools",
+		"mutantdino.resourcemonitor",
+		"dbaeumer.vscode-eslint",
+		"shakram02.bash-beautify",
+		"marshallofsound.gnls-electron"
+	],
+	"settings": {
+		"[gn]": {
+			"editor.formatOnSave": true
+		},
+		"editor.tabSize": 2,
+		"bashBeautify.tabSize": 2
+	},
+	"forwardPorts": [8088, 6080, 5901],
+	"portsAttributes": {
+		"8088": {
+			"label": "Goma Control Panel",
+			"onAutoForward": "silent"
+		},
+		"6080": {
+			"label": "VNC web client (noVNC)",
+			"onAutoForward": "silent"
+		},
+		"5901": {
+			"label": "VNC TCP port",
+			"onAutoForward": "silent"
+		}
+	},
+	"hostRequirements": {
+		"storage": "32gb",
+		"cpus": 8
+	},
+	"remoteUser": "builduser"
+}

.devcontainer/docker-compose.yml

@@ -0,0 +1,19 @@
+version: '3'
+
+services:
+  buildtools:
+    image: ghcr.io/electron/devcontainer:27db4a3e3512bfd2e47f58cea69922da0835f1d9
+
+    volumes:
+      - ..:/workspaces/gclient/src/electron:cached
+
+      - /var/run/docker.sock:/var/run/docker.sock 
+
+    command: /bin/sh -c "while sleep 1000; do :; done"  
+
+    user: builduser
+
+    cap_add:
+      - SYS_PTRACE
+    security_opt:
+      - seccomp:unconfined

.devcontainer/on-create-command.sh

@@ -0,0 +1,74 @@
+#!/bin/bash
+
+set -eo pipefail
+
+buildtools=$HOME/.electron_build_tools
+gclient_root=/workspaces/gclient
+buildtools_configs=/workspaces/buildtools-configs
+
+export PATH="$PATH:$buildtools/src"
+
+# Create the persisted buildtools config folder
+mkdir -p $buildtools_configs
+rm -f $buildtools/configs
+ln -s $buildtools_configs $buildtools/configs
+
+# Write the gclient config if it does not already exist
+if [ ! -f $gclient_root/.gclient ]; then
+  echo "solutions = [
+      { \"name\"        : \"src/electron\",
+          \"url\"         : \"https://github.com/electron/electron\",
+          \"deps_file\"   : \"DEPS\",
+          \"managed\"     : False,
+          \"custom_deps\" : {
+          },
+          \"custom_vars\": {},
+      },
+    ]
+  " >$gclient_root/.gclient
+fi
+
+# Write the default buildtools config file if it does
+# not already exist
+if [ ! -f $buildtools/configs/evm.testing.json ]; then
+  write_config() {
+    echo "
+        {
+            \"root\": \"/workspaces/gclient\",
+            \"goma\": \"$1\",
+            \"gen\": {
+                \"args\": [
+                    \"import(\\\"//electron/build/args/testing.gn\\\")\",
+                    \"import(\\\"/home/builduser/.electron_build_tools/third_party/goma.gn\\\")\"
+                ],
+                \"out\": \"Testing\"
+            },
+            \"env\": {
+                \"CHROMIUM_BUILDTOOLS_PATH\": \"/workspaces/gclient/src/buildtools\",
+                \"GIT_CACHE_PATH\": \"/workspaces/gclient/.git-cache\"
+            },
+            \"remotes\": {
+                \"electron\": {
+                    \"origin\": \"https://github.com/electron/electron.git\"
+                }
+            }
+        }
+    " >$buildtools/configs/evm.testing.json
+  }
+
+  # Start out as cache only
+  write_config cache-only
+
+  e use testing
+
+  # Attempt to auth to the goma service via codespaces tokens
+  # if it works we can use the goma cluster
+  export NOTGOMA_CODESPACES_TOKEN=$GITHUB_TOKEN
+  if e d goma_auth login; then
+    write_config cluster
+  fi
+else
+  # Even if the config file existed we still need to re-auth with the goma
+  # cluster
+  NOTGOMA_CODESPACES_TOKEN=$GITHUB_TOKEN e d goma_auth login || true
+fi

.dockerignore

@@ -1,3 +1,2 @@
 *
 !tools/xvfb-init.sh
-!build/install-build-deps.sh

.env.example

@@ -4,4 +4,3 @@
 APPVEYOR_CLOUD_TOKEN=
 CIRCLE_TOKEN=
 ELECTRON_GITHUB_TOKEN=
-VSTS_TOKEN=

.eslintrc.json

@@ -6,39 +6,47 @@
     "browser": true
   },
   "rules": {
+    "semi": ["error", "always"],
     "no-var": "error",
-    "no-unused-vars": 0,
-    "no-global-assign": 0,
+    "no-unused-vars": "off",
+    "no-global-assign": "off",
+    "guard-for-in": "error",
     "@typescript-eslint/no-unused-vars": ["error", {
       "vars": "all",
       "args": "after-used",
-      "ignoreRestSiblings": false
+      "ignoreRestSiblings": true
     }],
     "prefer-const": ["error", {
       "destructuring": "all"
     }],
     "standard/no-callback-literal": "off",
-    "node/no-deprecated-api": 0
+    "node/no-deprecated-api": "off"
   },
   "parserOptions": {
     "ecmaVersion": 6,
     "sourceType": "module"
   },
-  "globals": {
-    "standardScheme": "readonly"
-  },
   "overrides": [
     {
       "files": "*.js",
       "rules": {
-          "@typescript-eslint/no-unused-vars": "off"
+        "@typescript-eslint/no-unused-vars": "off"
+      }
+    },
+    {
+      "files": "*.ts",
+      "rules": {
+        "no-undef": "off",
+        "no-redeclare": "off",
+        "@typescript-eslint/no-redeclare": ["error"],
+        "no-use-before-define": "off"
       }
     },
     {
       "files": "*.d.ts",
       "rules": {
-          "no-useless-constructor": "off",
-          "@typescript-eslint/no-unused-vars": "off"
+        "no-useless-constructor": "off",
+        "@typescript-eslint/no-unused-vars": "off"
       }
     }
   ]

.gitattributes

@@ -1,3 +1,14 @@
 # `git apply` and friends don't understand CRLF, even on windows. Force those
 # files to be checked out with LF endings even if core.autocrlf is true.
 *.patch text eol=lf
+patches/**/.patches merge=union
+
+# Source code and markdown files should always use LF as line ending.
+*.cc text eol=lf
+*.mm text eol=lf
+*.h text eol=lf
+*.js text eol=lf
+*.ts text eol=lf
+*.py text eol=lf
+*.ps1 text eol=lf
+*.md text eol=lf

.github/CODEOWNERS

@@ -3,20 +3,17 @@
 # https://help.github.com/articles/about-codeowners
 # https://git-scm.com/docs/gitignore
 
-# Most stuff in here is owned by the Community & Safety WG...
-/.github/*                              @electron/wg-community
-
-# ...except the Admin WG maintains this file.
-/.github/CODEOWNERS                     @electron/wg-admin
-
 # Upgrades WG
-/patches/                               @electron/wg-upgrades
+/patches/                               @electron/wg-upgrades @electron/wg-security
 DEPS                                    @electron/wg-upgrades
 
-# Docs & Tooling WG
-/default_app/ @electron/wg-docs-tools
-/docs/                                  @electron/wg-docs-tools
-
 # Releases WG
 /npm/                                   @electron/wg-releases
-/script/release                         @electron/wg-releases
+/script/release                         @electron/wg-releases
+
+# Security WG
+/lib/browser/devtools.ts                @electron/wg-security
+/lib/browser/guest-view-manager.ts      @electron/wg-security
+/lib/browser/guest-window-proxy.ts      @electron/wg-security
+/lib/browser/rpc-server.ts              @electron/wg-security
+/lib/renderer/security-warnings.ts      @electron/wg-security

.github/ISSUE_TEMPLATE/Bug_report.md

@@ -1,58 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve Electron
-
----
-
-<!--  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.
-* [ ] I have searched the issue tracker for an issue that matches the one I want to file, without success.
-
-### 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 an example.
--->
-
-<!--
-For bugs that can be encapsulated in a small experiment, you can use Electron Fiddle (https://github.com/electron/fiddle) to publish your example to a GitHub Gist and link it your bug report.
--->
-
-<!--
-If Fiddle is insufficient to produce an example, please provide an example 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.
--->
-
-<!--
-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. -->

.github/ISSUE_TEMPLATE/Feature_request.md

@@ -1,27 +0,0 @@
----
-name: Feature request
-about: Suggest an idea for Electron
-
----
-
-<!--  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.
-* [ ] I have searched the issue tracker for a feature request that matches the one I want to file, without success.
-
-### 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/bug_report.yml

@@ -0,0 +1,77 @@
+name: Bug Report
+description: Report an Electron bug
+title: "[Bug]: "
+labels: "bug :beetle:"
+body:
+- type: checkboxes
+  attributes:
+    label: Preflight Checklist
+    description: Please ensure you've completed all of the following.
+    options:
+      - label: I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/main/CONTRIBUTING.md) for this project.
+        required: true
+      - label: I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/main/CODE_OF_CONDUCT.md) that this project adheres to.
+        required: true
+      - label: I have searched the [issue tracker](https://www.github.com/electron/electron/issues) for a bug report that matches the one I want to file, without success.
+        required: true
+- type: input
+  attributes:
+    label: Electron Version
+    description: What version of Electron are you using?
+    placeholder: 12.0.0
+  validations:
+    required: true
+- type: dropdown
+  attributes:
+    label: What operating system are you using?
+    options:
+      - Windows
+      - macOS
+      - Ubuntu
+      - Other Linux
+      - Other (specify below)
+  validations:
+    required: true
+- type: input
+  attributes:
+    label: Operating System Version
+    description: What operating system version are you using? On Windows, click Start button > Settings > System > About. On macOS, click the Apple Menu > About This Mac. On Linux, use lsb_release or uname -a.
+    placeholder: "e.g. Windows 10 version 1909, macOS Catalina 10.15.7, or Ubuntu 20.04"
+  validations:
+    required: true
+- type: dropdown
+  attributes:
+    label: What arch are you using?
+    options:
+      - x64
+      - ia32
+      - arm64 (including Apple Silicon)
+      - Other (specify below)
+  validations:
+    required: true
+- type: input
+  attributes:
+    label: Last Known Working Electron version
+    description: What is the last version of Electron this worked in, if applicable?
+    placeholder: 11.0.0
+- type: textarea
+  attributes:
+    label: Expected Behavior
+    description: A clear and concise description of what you expected to happen.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Actual Behavior
+    description: A clear description of what actually happens.
+  validations:
+    required: true
+- type: input
+  attributes:
+    label: Testcase Gist URL
+    description: If you can reproduce the issue in a standalone test case, please use [Electron Fiddle](https://github.com/electron/fiddle) to create one and to publish it as a [GitHub gist](https://gist.github.com) and put the gist URL here. This is **the best way** to ensure this issue is triaged quickly.
+    placeholder: https://gist.github.com/...
+- type: textarea
+  attributes:
+    label: Additional Information
+    description: If your problem needs further explanation, or if the issue you're seeing cannot be reproduced in a gist, please add more information here.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,40 @@
+name: Feature Request
+description: Suggest an idea for Electron
+title: "[Feature Request]: "
+labels: "enhancement :sparkles:"
+body:
+- type: checkboxes
+  attributes:
+    label: Preflight Checklist
+    description: Please ensure you've completed all of the following.
+    options:
+      - label: I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/main/CONTRIBUTING.md) for this project.
+        required: true
+      - label: I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/main/CODE_OF_CONDUCT.md) that this project adheres to.
+        required: true
+      - label: I have searched the [issue tracker](https://www.github.com/electron/electron/issues) for a feature request that matches the one I want to file, without success.
+        required: true
+- type: textarea
+  attributes:
+    label: Problem Description
+    description: Please add a clear and concise description of the problem you are seeking to solve with this feature request.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Proposed Solution
+    description: Describe the solution you'd like in a clear and concise manner.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Alternatives Considered
+    description: A clear and concise description of any alternative solutions or features you've considered. 
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Additional Information
+    description: Add any other context about the problem here.
+  validations:
+    required: false

.github/ISSUE_TEMPLATE/mac_app_store_private_api_rejection.md

@@ -1,25 +0,0 @@
----
-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/mac_app_store_private_api_rejection.yml

@@ -0,0 +1,30 @@
+name: Report Mac App Store Private API Rejection
+description: Your app was rejected from the Mac App Store for using private API's
+title: "[MAS Rejection]: "
+body:
+- type: checkboxes
+  attributes:
+    label: Preflight Checklist
+    description: Please ensure you've completed all of the following.
+    options:
+      - label: I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/main/CONTRIBUTING.md) for this project.
+        required: true
+      - label: I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/main/CODE_OF_CONDUCT.md) that this project adheres to.
+        required: true
+- type: input
+  attributes:
+    label: Electron Version
+    description: What version of Electron are you using?
+    placeholder: 12.0.0
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Rejection Email
+    description: Paste the contents of your rejection email here, censoring any private information such as app names.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Additional Information
+    description: Add any other context about the problem here.

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,7 +3,7 @@
 Thank you for your Pull Request. Please provide a description above and review
 the requirements below.
 
-Contributors guide: https://github.com/electron/electron/blob/master/CONTRIBUTING.md
+Contributors guide: https://github.com/electron/electron/blob/main/CONTRIBUTING.md
 -->
 
 #### Checklist
@@ -11,11 +11,10 @@ Contributors guide: https://github.com/electron/electron/blob/master/CONTRIBUTIN
 
 - [ ] PR description included and stakeholders cc'd
 - [ ] `npm test` passes
-- [ ] tests are [changed or added](https://github.com/electron/electron/blob/master/docs/development/testing.md)
+- [ ] tests are [changed or added](https://github.com/electron/electron/blob/main/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
 
-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 -->
+Notes: <!-- Please add a one-line description for app developers to read in the release notes, or 'none' 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

@@ -2,7 +2,7 @@
 newPRWelcomeComment: |
   💖 Thanks for opening this pull request! 💖
 
-  We use [semantic commit messages](https://github.com/electron/electron/blob/master/docs/development/pull-requests.md#commit-message-guidelines) to streamline the release process. Before your pull request can be merged, you should **update your pull request title** to start with a semantic prefix.
+  We use [semantic commit messages](https://github.com/electron/electron/blob/main/docs/development/pull-requests.md#commit-message-guidelines) to streamline the release process. Before your pull request can be merged, you should **update your pull request title** to start with a semantic prefix.
 
   Examples of commit messages with semantic prefixes:
 
@@ -12,9 +12,9 @@ newPRWelcomeComment: |
 
   Things that will help get your PR across the finish line:
 
-  - Follow the JavaScript, C++, and Python [coding style](https://github.com/electron/electron/blob/master/docs/development/coding-style.md).
+  - Follow the JavaScript, C++, and Python [coding style](https://github.com/electron/electron/blob/main/docs/development/coding-style.md).
   - Run `npm run lint` locally to catch formatting errors earlier.
-  - Document any user-facing changes you've made following the [documentation styleguide](https://github.com/electron/electron/blob/master/docs/styleguide.md).
+  - Document any user-facing changes you've made following the [documentation styleguide](https://github.com/electron/electron/blob/main/docs/styleguide.md).
   - Include tests when adding/changing behavior.
   - Include screenshots and animated GIFs whenever possible.
 
@@ -33,7 +33,9 @@ authorizedUsers:
   - codebytere
   - deepak1556
   - jkleinsc
+  - loc
   - MarshallOfSound
   - miniak
+  - mlaurencin
   - nornagon
   - zcbenz

.github/semantic.yml

@@ -0,0 +1,2 @@
+# Always validate the PR title, and ignore the commits
+titleOnly: true

.github/workflows/semantic.yml

@@ -0,0 +1,20 @@
+name: "Check Semantic Commit"
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+
+jobs:
+  main:
+    name: Validate PR Title
+    runs-on: ubuntu-latest
+    steps:
+      - name: semantic-pull-request
+        uses: amannn/action-semantic-pull-request@v4
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          validateSingleCommit: false

.gitignore

@@ -17,24 +17,6 @@
 *.xcodeproj
 /.idea/
 /dist/
-/external_binaries/
-/out/
-/vendor/.gclient
-/vendor/debian_jessie_mips64-sysroot/
-/vendor/debian_stretch_amd64-sysroot/
-/vendor/debian_stretch_arm-sysroot/
-/vendor/debian_stretch_arm64-sysroot/
-/vendor/debian_stretch_i386-sysroot/
-/vendor/gcc-4.8.3-d197-n64-loongson/
-/vendor/readme-gcc483-loongson.txt
-/vendor/download/
-/vendor/llvm-build/
-/vendor/llvm/
-/vendor/npm/
-/vendor/python_26/
-/vendor/native_mksnapshot
-/vendor/LICENSES.chromium.html
-/vendor/pyyaml
 node_modules/
 SHASUMS256.txt
 **/package-lock.json
@@ -44,6 +26,7 @@ compile_commands.json
 # npm package
 /npm/dist
 /npm/path.txt
+/npm/checksums.json
 
 .npmrc
 
@@ -55,7 +38,7 @@ electron.d.ts
 spec/.hash
 
 # Eslint Cache
-.eslintcache
+.eslintcache*
 
 # Generated native addon files
 /spec-main/fixtures/native-addon/echo/build/
@@ -65,4 +48,9 @@ ts-gen
 
 # Used to accelerate CI builds
 .depshash
-.depshash-target
+.depshash-target
+
+# Used to accelerate builds after sync
+patches/mtime-cache.json
+
+spec/fixtures/logo.png

.gitmodules

@@ -1,6 +0,0 @@
-[submodule "vendor/requests"]
-	path = vendor/requests
-	url = https://github.com/kennethreitz/requests
-[submodule "vendor/boto"]
-	path = vendor/boto
-	url = https://github.com/boto/boto.git

.husky/.gitignore

@@ -0,0 +1 @@
+_

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+npm run precommit

.husky/pre-push

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+npm run prepack

.markdownlint.autofix.json

@@ -0,0 +1,6 @@
+{
+  "default": false,
+  "no-trailing-spaces": {
+    "br_spaces": 0
+  }
+}

.markdownlint.json

@@ -0,0 +1,29 @@
+{
+  "commands-show-output": false,
+  "first-line-h1": false,
+  "header-increment": false,
+  "line-length": {
+    "code_blocks": false,
+    "tables": false,
+    "stern": true,
+    "line_length": -1
+  },
+  "no-bare-urls": false,
+  "no-blanks-blockquote": false,
+  "no-duplicate-header": {
+    "allow_different_nesting": true
+  },
+  "no-emphasis-as-header": false,
+  "no-hard-tabs": {
+    "code_blocks": false
+  },
+  "no-space-in-emphasis": false,
+  "no-trailing-punctuation": false,
+  "no-trailing-spaces": {
+    "br_spaces": 0
+  },
+  "single-h1": false,
+  "no-inline-html": {
+    "allowed_elements": ["br"]
+  }
+}

.nvmrc

@@ -0,0 +1 @@
+14

CODE_OF_CONDUCT.md

@@ -1,46 +1,135 @@
-# Contributor Covenant Code of Conduct:
+# Code of Conduct
 
-## Our Pledge
+As a member project of the OpenJS Foundation, Electron uses [Contributor Covenant v2.0](https://contributor-covenant.org/version/2/0/code_of_conduct) as their code of conduct. The full text is included [below](#contributor-covenant-code-of-conduct) in English, and translations are available from the Contributor Covenant organisation:
 
-In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation.
+* [contributor-covenant.org/translations](https://www.contributor-covenant.org/translations)
+* [github.com/ContributorCovenant](https://github.com/ContributorCovenant/contributor_covenant/tree/release/content/version/2/0)
 
-## Our Standards
+## Contributor Covenant Code of Conduct
 
-Examples of behavior that contributes to creating a positive environment include:
+### Our Pledge
 
-* Using welcoming and inclusive language
-* Being respectful of differing viewpoints and experiences
-* Gracefully accepting constructive criticism
-* Focusing on what is best for the community
-* Showing empathy towards other community members
+We as members, contributors, and leaders pledge to make participation in our
+community a harassment-free experience for everyone, regardless of age, body
+size, visible or invisible disability, ethnicity, sex characteristics, gender
+identity and expression, level of experience, education, socio-economic status,
+nationality, personal appearance, race, religion, or sexual identity
+and orientation.
 
-Examples of unacceptable behavior by participants include:
+We pledge to act and interact in ways that contribute to an open, welcoming,
+diverse, inclusive, and healthy community.
 
-* The use of sexualized language or imagery and unwelcome sexual attention or advances
-* Trolling, insulting/derogatory comments, and personal or political attacks
+### Our Standards
+
+Examples of behavior that contributes to a positive environment for our
+community include:
+
+* Demonstrating empathy and kindness toward other people
+* Being respectful of differing opinions, viewpoints, and experiences
+* Giving and gracefully accepting constructive feedback
+* Accepting responsibility and apologizing to those affected by our mistakes,
+  and learning from the experience
+* Focusing on what is best not just for us as individuals, but for the
+  overall community
+
+Examples of unacceptable behavior include:
+
+* The use of sexualized language or imagery, and sexual attention or
+  advances of any kind
+* Trolling, insulting or derogatory comments, and personal or political attacks
 * Public or private harassment
-* Publishing others' private information, such as a physical or electronic address, without explicit permission
-* Other conduct which could reasonably be considered inappropriate in a professional setting
+* Publishing others' private information, such as a physical or email
+  address, without their explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
 
-## Our Responsibilities
+### Enforcement Responsibilities
 
-Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior.
+Community leaders are responsible for clarifying and enforcing our standards of
+acceptable behavior and will take appropriate and fair corrective action in
+response to any behavior that they deem inappropriate, threatening, offensive,
+or harmful.
 
-Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful.
+Community leaders have the right and responsibility to remove, edit, or reject
+comments, commits, code, wiki edits, issues, and other contributions that are
+not aligned to this Code of Conduct, and will communicate reasons for moderation
+decisions when appropriate.
 
-## Scope
+### Scope
 
-This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers.
+This Code of Conduct applies within all community spaces, and also applies when
+an individual is officially representing the community in public spaces.
+Examples of representing our community include using an official e-mail address,
+posting via an official social media account, or acting as an appointed
+representative at an online or offline event.
 
-## Enforcement
+### Enforcement
 
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at [coc@electronjs.org](mailto:coc@electronjs.org). All complaints will be reviewed and investigated and will result in a response that is deemed necessary and appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported to the community leaders responsible for enforcement at
+[coc@electronjs.org](mailto:coc@electronjs.org).
+All complaints will be reviewed and investigated promptly and fairly.
 
-Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership.
+All community leaders are obligated to respect the privacy and security of the
+reporter of any incident.
 
-## Attribution
+### Enforcement Guidelines
 
-This Code of Conduct is adapted from the [Contributor-Covenant][homepage], version 1.4, available at [https://contributor-covenant.org/version/1/4][version]
+Community leaders will follow these Community Impact Guidelines in determining
+the consequences for any action they deem in violation of this Code of Conduct:
 
-[homepage]: https://contributor-covenant.org
-[version]: https://contributor-covenant.org/version/1/4/
+#### 1. Correction
+
+**Community Impact**: Use of inappropriate language or other behavior deemed
+unprofessional or unwelcome in the community.
+
+**Consequence**: A private, written warning from community leaders, providing
+clarity around the nature of the violation and an explanation of why the
+behavior was inappropriate. A public apology may be requested.
+
+#### 2. Warning
+
+**Community Impact**: A violation through a single incident or series
+of actions.
+
+**Consequence**: A warning with consequences for continued behavior. No
+interaction with the people involved, including unsolicited interaction with
+those enforcing the Code of Conduct, for a specified period of time. This
+includes avoiding interactions in community spaces as well as external channels
+like social media. Violating these terms may lead to a temporary or
+permanent ban.
+
+#### 3. Temporary Ban
+
+**Community Impact**: A serious violation of community standards, including
+sustained inappropriate behavior.
+
+**Consequence**: A temporary ban from any sort of interaction or public
+communication with the community for a specified period of time. No public or
+private interaction with the people involved, including unsolicited interaction
+with those enforcing the Code of Conduct, is allowed during this period.
+Violating these terms may lead to a permanent ban.
+
+#### 4. Permanent Ban
+
+**Community Impact**: Demonstrating a pattern of violation of community
+standards, including sustained inappropriate behavior,  harassment of an
+individual, or aggression toward or disparagement of classes of individuals.
+
+**Consequence**: A permanent ban from any sort of public interaction within
+the community.
+
+### Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 2.0, available at
+https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
+
+Community Impact Guidelines were inspired by [Mozilla's code of conduct
+enforcement ladder](https://github.com/mozilla/diversity).
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see the FAQ at
+https://www.contributor-covenant.org/faq. Translations are available at
+https://www.contributor-covenant.org/translations.

CONTRIBUTING.md

@@ -22,21 +22,21 @@ Issues are created [here](https://github.com/electron/electron/issues/new).
 
 ### Issue Closure
 
-Bug reports will be closed if the issue has been inactive and the latest affected version no longer receives support. At the moment, Electron maintains its three latest major versions, with a new major version being released every 12 weeks. (For more information on Electron's release cadence, see [this blog post](https://electronjs.org/blog/12-week-cadence).)
+Bug reports will be closed if the issue has been inactive and the latest affected version no longer receives support. At the moment, Electron maintains its three latest major versions, with a new major version being released every 8 weeks. (For more information on Electron's release cadence, see [this blog post](https://electronjs.org/blog/8-week-cadence).)
 
 _If an issue has been closed and you still feel it's relevant, feel free to ping a maintainer or add a comment!_
 
 ### Languages
 
 We accept issues in *any* language.
-When an issue is posted in a language besides English, it is acceptable and encouraged to post an English-translated copy as a reply. 
+When an issue is posted in a language besides English, it is acceptable and encouraged to post an English-translated copy as a reply.
 Anyone may post the translated reply.
 In most cases, a quick pass through translation software is sufficient.
 Having the original text _as well as_ the translation can help mitigate translation errors.
 
 Responses to posted issues may or may not be in the original language.
 
-**Please note** that using non-English as an attempt to circumvent our [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) will be an immediate, and possibly indefinite, ban from the project.
+**Please note** that using non-English as an attempt to circumvent our [Code of Conduct](https://github.com/electron/electron/blob/main/CODE_OF_CONDUCT.md) will be an immediate, and possibly indefinite, ban from the project.
 
 ## [Pull Requests](https://electronjs.org/docs/development/pull-requests)
 
@@ -47,17 +47,17 @@ dependencies, and tools contained in the `electron/electron` repository.
   * [Step 1: Fork](https://electronjs.org/docs/development/pull-requests#step-1-fork)
   * [Step 2: Build](https://electronjs.org/docs/development/pull-requests#step-2-build)
   * [Step 3: Branch](https://electronjs.org/docs/development/pull-requests#step-3-branch)
-* [The Process of Making Changes](https://electronjs.org/docs/development/pull-requests#the-process-of-making-changes)
+* [Making Changes](https://electronjs.org/docs/development/pull-requests#making-changes)
   * [Step 4: Code](https://electronjs.org/docs/development/pull-requests#step-4-code)
   * [Step 5: Commit](https://electronjs.org/docs/development/pull-requests#step-5-commit)
     * [Commit message guidelines](https://electronjs.org/docs/development/pull-requests#commit-message-guidelines)
   * [Step 6: Rebase](https://electronjs.org/docs/development/pull-requests#step-6-rebase)
   * [Step 7: Test](https://electronjs.org/docs/development/pull-requests#step-7-test)
   * [Step 8: Push](https://electronjs.org/docs/development/pull-requests#step-8-push)
-  * [Step 8: Opening the Pull Request](https://electronjs.org/docs/development/pull-requests#step-8-opening-the-pull-request)
-  * [Step 9: Discuss and Update](#step-9-discuss-and-update)
+  * [Step 9: Opening the Pull Request](https://electronjs.org/docs/development/pull-requests#step-9-opening-the-pull-request)
+  * [Step 10: Discuss and Update](https://electronjs.org/docs/development/pull-requests#step-10-discuss-and-update)
     * [Approval and Request Changes Workflow](https://electronjs.org/docs/development/pull-requests#approval-and-request-changes-workflow)
-  * [Step 10: Landing](https://electronjs.org/docs/development/pull-requests#step-10-landing)
+  * [Step 11: Landing](https://electronjs.org/docs/development/pull-requests#step-11-landing)
   * [Continuous Integration Testing](https://electronjs.org/docs/development/pull-requests#continuous-integration-testing)
 
 ## Style Guides
@@ -66,5 +66,5 @@ See [Coding Style](https://electronjs.org/docs/development/coding-style) for inf
 
 ## Further Reading
 
-For more in-depth guides on developing Electron, see 
+For more in-depth guides on developing Electron, see
 [/docs/development](/docs/development/README.md)

DEPS

@@ -5,29 +5,34 @@ gclient_gn_args = [
   'checkout_android_native_support',
   'checkout_libaom',
   'checkout_nacl',
+  'checkout_pgo_profiles',
   'checkout_oculus_sdk',
   'checkout_openxr',
-  'checkout_google_benchmark'
+  'checkout_google_benchmark',
+  'mac_xcode_version',
+  'generate_location_tags',
 ]
 
 vars = {
   'chromium_version':
-    '2102ff0fb03469ca5ff317a168e6ad99ca0f23f1',
+    '100.0.4896.160',
   'node_version':
-    'v12.14.1',
+    'v16.13.2',
   'nan_version':
-    '2ee313aaca52e2b478965ac50eb5082520380d1b',
+    # The following commit hash of NAN is v2.14.2 with *only* changes to the
+    # test suite. This should be updated to a specific tag when one becomes
+    # available.
+    '65b32af46e9d7fab2e4ff657751205b3865f4920',
+  'squirrel.mac_version':
+    '0e5d146ba13101a1302d59ea6e6e0b3cace4ae38',
 
-  'boto_version': 'f7574aa6cc2c819430c1f05e9a1a1a666ef8169b',
   'pyyaml_version': '3.12',
-  'requests_version': 'e4d59bedfd3c7f4f254f4f5d036587bcd8152458',
 
-  'boto_git': 'https://github.com/boto',
   'chromium_git': 'https://chromium.googlesource.com',
   'electron_git': 'https://github.com/electron',
   'nodejs_git': 'https://github.com/nodejs',
-  'requests_git': 'https://github.com/kennethreitz',
   'yaml_git': 'https://github.com/yaml',
+  'squirrel_git': 'https://github.com/Squirrel',
 
   # KEEP IN SYNC WITH utils.js FILE
   'yarn_version': '1.15.2',
@@ -35,27 +40,27 @@ vars = {
   # 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 use an mtime cache for patched files to speed up builds.
+  'use_mtime_cache': True,
 
   # To allow in-house builds to checkout those manually.
   'checkout_chromium': True,
   'checkout_node': True,
   'checkout_nan': True,
+  'checkout_pgo_profiles': 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,
+  'use_rts': False,
+
+  'mac_xcode_version': 'default',
+
+  'generate_location_tags': False,
 
   # To allow running hooks without parsing the DEPS tree
   'process_deps': True,
 
-  # It is always needed for normal Electron builds,
-  # but might be impossible for custom in-house builds.
-  'download_external_binaries': True,
-
   'checkout_nacl':
     False,
   'checkout_libaom':
@@ -72,6 +77,8 @@ vars = {
     False,
   'checkout_google_benchmark':
     False,
+  'checkout_clang_tidy':
+    True,
 }
 
 deps = {
@@ -87,71 +94,76 @@ deps = {
     'url': (Var("nodejs_git")) + '/node.git@' + (Var("node_version")),
     'condition': 'checkout_node and process_deps',
   },
-  'src/electron/vendor/pyyaml': {
+  'src/third_party/pyyaml': {
     'url': (Var("yaml_git")) + '/pyyaml.git@' + (Var("pyyaml_version")),
     'condition': 'checkout_pyyaml and process_deps',
   },
-  'src/electron/vendor/boto': {
-    'url': Var('boto_git') + '/boto.git' + '@' +  Var('boto_version'),
-    'condition': 'checkout_boto and process_deps',
+  'src/third_party/squirrel.mac': {
+    'url': Var("squirrel_git") + '/Squirrel.Mac.git@' + Var("squirrel.mac_version"),
+    'condition': 'process_deps',
   },
-  'src/electron/vendor/requests': {
-    'url': Var('requests_git') + '/requests.git' + '@' +  Var('requests_version'),
-    'condition': 'checkout_requests and process_deps',
+  'src/third_party/squirrel.mac/vendor/ReactiveObjC': {
+    'url': 'https://github.com/ReactiveCocoa/ReactiveObjC.git@74ab5baccc6f7202c8ac69a8d1e152c29dc1ea76',
+    'condition': 'process_deps'
   },
+  'src/third_party/squirrel.mac/vendor/Mantle': {
+    'url': 'https://github.com/Mantle/Mantle.git@78d3966b3c331292ea29ec38661b25df0a245948',
+    'condition': 'process_deps',
+  }
 }
 
+pre_deps_hooks = [
+  {
+    'name': 'generate_mtime_cache',
+    'condition': '(checkout_chromium and apply_patches and use_mtime_cache) and process_deps',
+    'pattern': 'src/electron',
+    'action': [
+      'python3',
+      'src/electron/script/patches-mtime-cache.py',
+      'generate',
+      '--cache-file',
+      'src/electron/patches/mtime-cache.json',
+      '--patches-config',
+      'src/electron/patches/config.json',
+    ],
+  },
+]
+
 hooks = [
   {
     'name': 'patch_chromium',
     'condition': '(checkout_chromium and apply_patches) and process_deps',
     'pattern': 'src/electron',
     'action': [
-      'python',
+      'python3',
       'src/electron/script/apply_all_patches.py',
       'src/electron/patches/config.json',
     ],
   },
   {
-    'name': 'electron_external_binaries',
-    'pattern': 'src/electron/script/update-external-binaries.py',
-    'condition': 'download_external_binaries',
+    'name': 'apply_mtime_cache',
+    'condition': '(checkout_chromium and apply_patches and use_mtime_cache) and process_deps',
+    'pattern': 'src/electron',
     'action': [
       'python3',
-      'src/electron/script/update-external-binaries.py',
+      'src/electron/script/patches-mtime-cache.py',
+      'apply',
+      '--cache-file',
+      'src/electron/patches/mtime-cache.json',
     ],
   },
   {
     'name': 'electron_npm_deps',
     'pattern': 'src/electron/package.json',
     'action': [
-      'python',
+      'python3',
       '-c',
-      '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"]);',
-    ],
-  },
-  {
-    'name': 'setup_boto',
-    'pattern': 'src/electron',
-    'condition': 'checkout_boto and process_deps',
-    'action': [
-      'python',
-      '-c',
-      'import os, subprocess; os.chdir(os.path.join("src", "electron", "vendor", "boto")); subprocess.check_call(["python", "setup.py", "build"]);',
-    ],
-  },
-  {
-    'name': 'setup_requests',
-    'pattern': 'src/electron',
-    'condition': 'checkout_requests and process_deps',
-    'action': [
-      'python',
-      '-c',
-      'import os, subprocess; os.chdir(os.path.join("src", "electron", "vendor", "requests")); subprocess.check_call(["python", "setup.py", "build"]);',
+      'import os, subprocess; os.chdir(os.path.join("src", "electron")); subprocess.check_call(["python3", "script/lib/npx.py", "yarn@' + (Var("yarn_version")) + '", "install", "--frozen-lockfile"]);',
     ],
   },
 ]
 
 recursedeps = [
   'src',
+  'src/third_party/squirrel.mac',
 ]

ELECTRON_VERSION

@@ -1 +1 @@
-9.0.0-nightly.20200205
+18.2.4

LICENSE

@@ -1,3 +1,4 @@
+Copyright (c) Electron contributors
 Copyright (c) 2013-2020 GitHub Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining

README.md

@@ -1,11 +1,10 @@
 [![Electron Logo](https://electronjs.org/images/electron-logo.svg)](https://electronjs.org)
 
+[![CircleCI Build Status](https://circleci.com/gh/electron/electron/tree/main.svg?style=shield)](https://circleci.com/gh/electron/electron/tree/main)
+[![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/4lggi9dpjc1qob7k/branch/main?svg=true)](https://ci.appveyor.com/project/electron-bot/electron-ljo26/branch/main)
+[![Electron Discord Invite](https://img.shields.io/discord/745037351163527189?color=%237289DA&label=chat&logo=discord&logoColor=white)](https://discord.com/invite/APGC3k5yaH)
 
-[![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://ci.appveyor.com/api/projects/status/4lggi9dpjc1qob7k/branch/master?svg=true)](https://ci.appveyor.com/project/electron-bot/electron-ljo26/branch/master)
-[![devDependency Status](https://david-dm.org/electron/electron/dev-status.svg)](https://david-dm.org/electron/electron?type=dev)
-
-: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
@@ -17,7 +16,7 @@ Follow [@ElectronJS](https://twitter.com/electronjs) on Twitter for important
 announcements.
 
 This project adheres to the Contributor Covenant
-[code of conduct](https://github.com/electron/electron/tree/master/CODE_OF_CONDUCT.md).
+[code of conduct](https://github.com/electron/electron/tree/main/CODE_OF_CONDUCT.md).
 By participating, you are expected to uphold this code. Please report unacceptable
 behavior to [coc@electronjs.org](mailto:coc@electronjs.org).
 
@@ -28,15 +27,12 @@ The preferred method is to install Electron as a development dependency in your
 app:
 
 ```sh
-npm install electron --save-dev [--save-exact]
+npm install electron --save-dev
 ```
 
-The `--save-exact` flag is recommended for Electron prior to version 2, as it does not follow semantic
-versioning. As of version 2.0.0, Electron follows semver, so you don't need `--save-exact` flag. For info on how to manage Electron versions in your apps, see
-[Electron versioning](docs/tutorial/electron-versioning.md).
-
 For more installation options and troubleshooting tips, see
-[installation](docs/tutorial/installation.md).
+[installation](docs/tutorial/installation.md). For info on how to manage Electron versions in your apps, see
+[Electron versioning](docs/tutorial/electron-versioning.md).
 
 ## Quick start & Electron Fiddle
 
@@ -64,7 +60,6 @@ npm start
 - [electronjs.org/community#boilerplates](https://electronjs.org/community#boilerplates) - Sample starter apps created by the community
 - [electron/simple-samples](https://github.com/electron/simple-samples) - Small applications with ideas for taking them further
 - [electron/electron-api-demos](https://github.com/electron/electron-api-demos) - An Electron app that teaches you how to use Electron
-- [hokein/electron-sample-apps](https://github.com/hokein/electron-sample-apps) - Small demo apps for the various Electron APIs
 
 ## Programmatic usage
 
@@ -85,7 +80,7 @@ const child = proc.spawn(electron)
 
 ### Mirrors
 
-- [China](https://npm.taobao.org/mirrors/electron)
+- [China](https://npmmirror.com/mirrors/electron)
 
 ## Documentation Translations
 
@@ -102,6 +97,6 @@ and more can be found in the [support document](docs/tutorial/support.md#finding
 
 ## License
 
-[MIT](https://github.com/electron/electron/blob/master/LICENSE)
+[MIT](https://github.com/electron/electron/blob/main/LICENSE)
 
 When using the Electron or other GitHub logos, be sure to follow the [GitHub logo guidelines](https://github.com/logos).

SECURITY.md

@@ -6,7 +6,12 @@ To report a security issue, email [security@electronjs.org](mailto:security@elec
 
 The Electron team will send a response indicating the next steps in handling your report. After the initial reply to your report, the security team will keep you informed of the progress towards a fix and full announcement, and may ask for additional information or guidance.
 
-Report security bugs in third-party modules to the person or team maintaining the module. You can also report a vulnerability through the [Node Security Project](https://nodesecurity.io/report).
+Report security bugs in third-party modules to the person or team maintaining the module. You can also report a vulnerability through the [npm contact form](https://www.npmjs.com/support) by selecting "I'm reporting a security vulnerability".
+
+## The Electron Security Notification Process
+
+For context on Electron's security notification process, please see the [Notifications](https://github.com/electron/governance/blob/main/wg-security/membership-and-notifications.md#notifications) section of the Security WG's [Membership and Notifications](https://github.com/electron/governance/blob/main/wg-security/membership-and-notifications.md) Governance document.
 
 ## Learning More About Security
+
 To learn more about securing an Electron application, please see the [security tutorial](docs/tutorial/security.md).

appveyor.yml

@@ -11,7 +11,7 @@
 #  - "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.
+#  - "UPLOAD_TO_STORAGE" Set it to '1' upload a release to the Azure bucket.
 #      Otherwise the release will be uploaded to the Github Releases.
 #      (The value is only checked if "ELECTRON_RELEASE" is defined.)
 #
@@ -28,14 +28,16 @@
 #  - ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
 
 version: 1.0.{build}
-build_cloud: libcc-20
-image: vs2019bt-16.4.0
+build_cloud: electron-16-core
+image: vs2019bt-16.6.2
 environment:
   GIT_CACHE_PATH: C:\Users\electron\libcc_cache
   ELECTRON_OUT_DIR: Default
   ELECTRON_ENABLE_STACK_DUMPING: 1
+  ELECTRON_ALSO_LOG_TO_STDERR: 1
   MOCHA_REPORTER: mocha-multi-reporters
   MOCHA_MULTI_REPORTERS: mocha-appveyor-reporter, tap
+  GOMA_FALLBACK_ON_AUTH_FAILURE: true
 notifications:
   - provider: Webhook
     url: https://electron-mission-control.herokuapp.com/rest/appveyor-hook
@@ -53,7 +55,9 @@ build_script:
       } else {
         node script/yarn.js install --frozen-lockfile
 
-        if ($(node script/doc-only-change.js --prNumber=$env:APPVEYOR_PULL_REQUEST_NUMBER --prBranch=$env:APPVEYOR_REPO_BRANCH;$LASTEXITCODE -eq 0)) {
+        $result = node script/doc-only-change.js --prNumber=$env:APPVEYOR_PULL_REQUEST_NUMBER --prBranch=$env:APPVEYOR_REPO_BRANCH
+        Write-Output $result
+        if ($result.ExitCode -eq 0) {
           Write-warning "Skipping build for doc only change"; Exit-AppveyorBuild
         }
       }
@@ -61,13 +65,36 @@ build_script:
   - git config --global core.longpaths true
   - cd ..
   - mkdir src
+  - update_depot_tools.bat
   - 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"
   - ps: >-
-      if ($env:GN_CONFIG -eq 'release') {
-        $env:GCLIENT_EXTRA_ARGS="$env:GCLIENT_EXTRA_ARGS --custom-var=checkout_boto=True --custom-var=checkout_requests=True"
-      } else {
+      if (Test-Path 'env:RAW_GOMA_AUTH') {
+        $env:GOMA_OAUTH2_CONFIG_FILE = "$pwd\.goma_oauth2_config"
+        $env:RAW_GOMA_AUTH | Set-Content $env:GOMA_OAUTH2_CONFIG_FILE
+      }
+  - git clone https://github.com/electron/build-tools.git
+  - cd build-tools
+  - npm install
+  - mkdir third_party
+  - ps: >-
+      node -e "require('./src/utils/goma.js').downloadAndPrepare({ gomaOneForAll: true })"
+  - ps: $env:GN_GOMA_FILE = node -e "console.log(require('./src/utils/goma.js').gnFilePath)"
+  - ps: $env:LOCAL_GOMA_DIR = node -e "console.log(require('./src/utils/goma.js').dir)"
+  - cd ..
+  - ps: .\src\electron\script\start-goma.ps1 -gomaDir $env:LOCAL_GOMA_DIR
+  - ps: >-
+      if (Test-Path 'env:RAW_GOMA_AUTH') {
+        $goma_login = python $env:LOCAL_GOMA_DIR\goma_auth.py info
+        if ($goma_login -eq 'Login as Fermi Planck') {
+          Write-warning "Goma authentication is correct";
+        } else {
+          Write-warning "WARNING!!!!!! Goma authentication is incorrect; please update Goma auth token.";
+          $host.SetShouldExit(1)
+        }
+      }
+  - ps: $env:CHROMIUM_BUILDTOOLS_PATH="$pwd\src\buildtools"
+  - ps: >-
+      if ($env:GN_CONFIG -ne 'release') {
         $env:NINJA_STATUS="[%r processes, %f/%t @ %o/s : %es] "
       }
   - >-
@@ -96,8 +123,11 @@ build_script:
               $env:SAVE_GCLIENT_SRC="true"
             }
           } else {
-            # update external binaries
-            python src/electron/script/update-external-binaries.py
+            # update angle
+            cd src\third_party\angle
+            git remote set-url origin  https://chromium.googlesource.com/angle/angle.git
+            git fetch
+            cd ..\..\..
           }
         } else {    
           # file does not exist, gclient sync, then zip
@@ -108,39 +138,44 @@ build_script:
           }
         }
       }
-  - if "%RUN_GCLIENT_SYNC%"=="true" ( gclient sync --with_branch_heads --with_tags --ignore_locks)
+  - if "%RUN_GCLIENT_SYNC%"=="true" ( gclient sync )
   - ps: >-
       if ($env:SAVE_GCLIENT_SRC -eq 'true') {
         # archive current source for future use 
         # only run on x64/woa to avoid contention saving
-        if ($(7z a $zipfile src -xr!android_webview -xr!electron -xr'!*\.git' -xr!third_party\WebKit\LayoutTests! -xr!third_party\blink\web_tests -xr!third_party\blink\perf_tests -slp -t7z -mmt=30;$LASTEXITCODE -ne 0)) {
+        $(7z a $zipfile src -xr!android_webview -xr!electron -xr'!*\.git' -xr!third_party\WebKit\LayoutTests! -xr!third_party\blink\web_tests -xr!third_party\blink\perf_tests -slp -t7z -mmt=30)
+        if ($LASTEXITCODE -ne 0) {
           Write-warning "Could not save source to shared drive; continuing anyway"
         }
-      }
-  - ps: >-
-      if (Test-Path 'env:RAW_GOMA_AUTH') {
-        $env:GOMA_OAUTH2_CONFIG_FILE = "$pwd\.goma_oauth2_config"
-        $env:RAW_GOMA_AUTH | Set-Content $env:GOMA_OAUTH2_CONFIG_FILE
-        .\src\electron\script\start-goma.ps1 -gomaDir "$pwd\src\electron\external_binaries\goma"
+        # build time generation of file gen/angle/angle_commit.h depends on
+        # third_party/angle/.git
+        # https://chromium-review.googlesource.com/c/angle/angle/+/2074924       
+        $(7z a $zipfile src\third_party\angle\.git)
+        if ($LASTEXITCODE -ne 0) {
+          Write-warning "Failed to add third_party\angle\.git; continuing anyway"
+        }
       }
   - cd src
   - set BUILD_CONFIG_PATH=//electron/build/args/%GN_CONFIG%.gn 
-  - if DEFINED RAW_GOMA_AUTH (gn gen out/Default "--args=import(\"%BUILD_CONFIG_PATH%\") import(\"//electron/build/args/goma.gn\") %GN_EXTRA_ARGS% ") else (gn gen out/Default "--args=import(\"%BUILD_CONFIG_PATH%\") %GN_EXTRA_ARGS% cc_wrapper=\"%SCCACHE_PATH%\"")
+  - gn gen out/Default "--args=import(\"%BUILD_CONFIG_PATH%\") import(\"%GN_GOMA_FILE%\") %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/shell/common/api:mojo
-  - if DEFINED RAW_GOMA_AUTH (ninja -j 300 -C out/Default electron:electron_app) else (ninja -C out/Default electron:electron_app)
+  - if DEFINED GN_GOMA_FILE (ninja -j 300 -C out/Default electron:electron_app) else (ninja -C out/Default electron:electron_app)
   - if "%GN_CONFIG%"=="testing" ( python C:\depot_tools\post_build_ninja_summary.py -C out\Default )
   - gn gen out/ffmpeg "--args=import(\"//electron/build/args/ffmpeg.gn\") %GN_EXTRA_ARGS%"
   - ninja -C out/ffmpeg electron:electron_ffmpeg_zip
   - ninja -C out/Default electron:electron_dist_zip
   - ninja -C out/Default shell_browser_ui_unittests
+  - gn desc out/Default v8:run_mksnapshot_default args > out/Default/mksnapshot_args
   - ninja -C out/Default electron:electron_mksnapshot_zip
+  - cd out\Default
+  - 7z a mksnapshot.zip mksnapshot_args gen\v8\embedded.S
+  - cd ..\..
   - ninja -C out/Default electron:hunspell_dictionaries_zip
   - ninja -C out/Default electron:electron_chromedriver_zip
   - ninja -C out/Default third_party/electron_node:headers
-  - if DEFINED RAW_GOMA_AUTH (python electron\external_binaries\goma\goma_ctl.py stat)
+  - python %LOCAL_GOMA_DIR%\goma_ctl.py stat
   - python electron/build/profile_toolchain.py --output-json=out/Default/windows_toolchain_profile.json
   - appveyor PushArtifact out/Default/windows_toolchain_profile.json
   - appveyor PushArtifact out/Default/dist.zip
@@ -184,26 +219,31 @@ test_script:
         echo "Skipping tests for $env:GN_CONFIG build"
       }
   - cd electron
-  - if "%RUN_TESTS%"=="true" ( echo Running test suite & node script/yarn test -- --enable-logging)
+  # CalculateNativeWinOcclusion is disabled due to https://bugs.chromium.org/p/chromium/issues/detail?id=1139022
+  - if "%RUN_TESTS%"=="true" ( echo Running main test suite & node script/yarn test -- --trace-uncaught --runners=main --enable-logging=file --log-file=%cd%\electron.log --disable-features=CalculateNativeWinOcclusion )
+  - if "%RUN_TESTS%"=="true" ( echo Running remote test suite & node script/yarn test -- --trace-uncaught --runners=remote --runTestFilesSeperately --enable-logging=file --log-file=%cd%\electron.log --disable-features=CalculateNativeWinOcclusion )
+  - if "%RUN_TESTS%"=="true" ( echo Running native test suite & node script/yarn test -- --trace-uncaught --runners=native --enable-logging=file --log-file=%cd%\electron.log --disable-features=CalculateNativeWinOcclusion )  
   - 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" ( gn desc out\Default v8:run_mksnapshot_default args > out\Default\mksnapshot_args )
+  - 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"
   - if "%RUN_TESTS%"=="true" ( echo Verifying chromedriver & python electron\script\verify-chromedriver.py --build-dir out\Default --source-root %cd% )
   - echo "Done verifying chromedriver"
+  - if exist %cd%\electron.log ( appveyor-retry appveyor PushArtifact %cd%\electron.log )
 deploy_script:
   - cd electron
   - ps: >-
       if (Test-Path Env:\ELECTRON_RELEASE) {
-        if (Test-Path Env:\UPLOAD_TO_S3) {
-          Write-Output "Uploading Electron release distribution to s3"
-          & python script\release\uploaders\upload.py --upload_to_s3
+        if (Test-Path Env:\UPLOAD_TO_STORAGE) {
+          Write-Output "Uploading Electron release distribution to azure"
+          & python script\release\uploaders\upload.py --verbose --upload_to_storage
         } else {
           Write-Output "Uploading Electron release distribution to github releases"
-          & python script\release\uploaders\upload.py
+          & python script\release\uploaders\upload.py --verbose
         }
       } elseif (Test-Path Env:\TEST_WOA) {
         node script/release/ci-release-build.js --job=electron-woa-testing --ci=VSTS --armTest --appveyorJobId=$env:APPVEYOR_JOB_ID $env:APPVEYOR_REPO_BRANCH
       }
+on_finish:
+  - if exist src\electron\electron.log ( appveyor-retry appveyor PushArtifact src\electron\electron.log )

azure-pipelines-arm.yml

@@ -0,0 +1,121 @@
+steps:
+- task: CopyFiles@2
+  displayName: 'Copy Files to: src/electron'
+  inputs:
+    TargetFolder: src/electron
+
+- bash: |
+    cd src/electron
+    node script/yarn.js install --frozen-lockfile
+  displayName: 'Yarn install'
+
+- bash: |
+    export ZIP_DEST=$PWD/src/out/Default
+    echo "##vso[task.setvariable variable=ZIP_DEST]$ZIP_DEST"
+    mkdir -p $ZIP_DEST
+    cd src/electron
+    node script/download-circleci-artifacts.js --buildNum=$CIRCLE_BUILD_NUM --name=dist.zip --dest=$ZIP_DEST
+    cd $ZIP_DEST
+    unzip -o dist.zip
+    xattr -cr Electron.app    
+  displayName: 'Download and unzip dist files for test'
+  env:
+    CIRCLE_TOKEN: $(CIRCLECI_TOKEN)
+
+- bash: |
+    export FFMPEG_ZIP_DEST=$PWD/src/out/ffmpeg
+    mkdir -p $FFMPEG_ZIP_DEST
+    cd src/electron
+    node script/download-circleci-artifacts.js --buildNum=$CIRCLE_BUILD_NUM --name=ffmpeg.zip --dest=$FFMPEG_ZIP_DEST
+    cd $FFMPEG_ZIP_DEST
+    unzip -o ffmpeg.zip
+  displayName: 'Download and unzip ffmpeg for test'
+  env:
+    CIRCLE_TOKEN: $(CIRCLECI_TOKEN)
+
+- bash: |
+   export NODE_HEADERS_DEST=$PWD/src/out/Default/gen
+   mkdir -p $NODE_HEADERS_DEST
+   cd src/electron
+   node script/download-circleci-artifacts.js --buildNum=$CIRCLE_BUILD_NUM --name=node_headers.tar.gz --dest=$NODE_HEADERS_DEST
+   cd $NODE_HEADERS_DEST
+   tar xzf node_headers.tar.gz
+  displayName: 'Download and untar node header files for test'
+  env:
+    CIRCLE_TOKEN: $(CIRCLECI_TOKEN)
+
+- bash: |
+   export CROSS_ARCH_SNAPSHOTS=$PWD/src/out/Default/cross-arch-snapshots
+   mkdir -p $CROSS_ARCH_SNAPSHOTS
+   cd src/electron
+   node script/download-circleci-artifacts.js --buildNum=$CIRCLE_BUILD_NUM --name=cross-arch-snapshots/snapshot_blob.bin --dest=$CROSS_ARCH_SNAPSHOTS
+   node script/download-circleci-artifacts.js --buildNum=$CIRCLE_BUILD_NUM --name=cross-arch-snapshots/v8_context_snapshot.arm64.bin --dest=$CROSS_ARCH_SNAPSHOTS
+  displayName: 'Download cross arch snapshot files'
+  env:
+    CIRCLE_TOKEN: $(CIRCLECI_TOKEN)
+
+- bash: |
+    cd src
+    export ELECTRON_OUT_DIR=Default
+    export npm_config_arch=arm64
+    (cd electron && node script/yarn test --enable-logging --runners main)
+  displayName: 'Run Electron main tests'
+  timeoutInMinutes: 20
+  env:
+    ELECTRON_DISABLE_SECURITY_WARNINGS: 1
+    IGNORE_YARN_INSTALL_ERROR: 1
+    ELECTRON_TEST_RESULTS_DIR: junit
+
+- bash: |
+    cd src
+    export ELECTRON_OUT_DIR=Default
+    export npm_config_arch=arm64
+    (cd electron && node script/yarn test --enable-logging --runners remote)
+  displayName: 'Run Electron remote tests'
+  timeoutInMinutes: 20
+  condition: succeededOrFailed()
+  env:
+    ELECTRON_DISABLE_SECURITY_WARNINGS: 1
+    IGNORE_YARN_INSTALL_ERROR: 1
+    ELECTRON_TEST_RESULTS_DIR: junit
+
+- bash: |
+    cd src
+    python electron/script/verify-ffmpeg.py --source-root "$PWD" --build-dir out/Default --ffmpeg-path out/ffmpeg
+  displayName: Verify non proprietary ffmpeg
+  timeoutInMinutes: 5
+  condition: succeededOrFailed()
+  env:
+    TARGET_ARCH: arm64
+
+- bash: |
+    cd src
+    echo Verify cross arch snapshot
+    python electron/script/verify-mksnapshot.py --source-root "$PWD" --build-dir out/Default --snapshot-files-dir $PWD/out/Default/cross-arch-snapshots
+  displayName: Verify cross arch snapshot
+  timeoutInMinutes: 5
+  condition: succeededOrFailed()
+
+- task: PublishTestResults@2
+  displayName: 'Publish Test Results'
+  inputs:
+    testResultsFiles: '*.xml'
+
+    searchFolder: '$(System.DefaultWorkingDirectory)/src/junit/'
+
+  condition: succeededOrFailed()
+
+- bash: killall Electron || echo "No Electron processes left running"
+  displayName: 'Kill processes left running from last test run'
+  condition: always()
+
+- bash: |
+    rm -rf ~/Library/Application\ Support/Electron*
+    rm -rf ~/Library/Application\ Support/electron*
+  displayName: 'Delete user app data directories'
+  condition: always()
+
+- task: mspremier.PostBuildCleanup.PostBuildCleanup-task.PostBuildCleanup@3
+  displayName: 'Clean Agent Directories'
+
+  condition: always()

azure-pipelines-woa.yml

@@ -1,11 +1,11 @@
+workspace:
+  clean: all
+
 steps:
-- task: CopyFiles@2
-  displayName: 'Copy Files to: src\electron'
-  inputs:
-    TargetFolder: src\electron
+- checkout: self
+  path: src\electron
 
 - script: |
-    cd src\electron
     node script/yarn.js install --frozen-lockfile
   displayName: 'Yarn install'
 
@@ -13,13 +13,13 @@ steps:
     $localArtifactPath = "$pwd\dist.zip"
     $serverArtifactPath = "$env:APPVEYOR_URL/buildjobs/$env:APPVEYOR_JOB_ID/artifacts/dist.zip"
     Invoke-RestMethod -Method Get -Uri $serverArtifactPath -OutFile $localArtifactPath -Headers @{ "Authorization" = "Bearer $env:APPVEYOR_TOKEN" }
-    & "${env:ProgramFiles(x86)}\7-Zip\7z.exe" x -osrc\out\Default -y $localArtifactPath
+    & "${env:ProgramFiles(x86)}\7-Zip\7z.exe" x -o$(Pipeline.Workspace)\src\out\Default -y $localArtifactPath
   displayName: 'Download and extract dist.zip for test'
   env:
     APPVEYOR_TOKEN: $(APPVEYOR_TOKEN)
 
 - powershell: |
-    $localArtifactPath = "$pwd\src\out\Default\shell_browser_ui_unittests.exe"
+    $localArtifactPath = "$(Pipeline.Workspace)\src\out\Default\shell_browser_ui_unittests.exe"
     $serverArtifactPath = "$env:APPVEYOR_URL/buildjobs/$env:APPVEYOR_JOB_ID/artifacts/shell_browser_ui_unittests.exe"
     Invoke-RestMethod -Method Get -Uri $serverArtifactPath -OutFile $localArtifactPath -Headers @{ "Authorization" = "Bearer $env:APPVEYOR_TOKEN" }
   displayName: 'Download and extract native test executables for test'
@@ -30,63 +30,101 @@ steps:
     $localArtifactPath = "$pwd\ffmpeg.zip"
     $serverArtifactPath = "$env:APPVEYOR_URL/buildjobs/$env:APPVEYOR_JOB_ID/artifacts/ffmpeg.zip"
     Invoke-RestMethod -Method Get -Uri $serverArtifactPath -OutFile $localArtifactPath -Headers @{ "Authorization" = "Bearer $env:APPVEYOR_TOKEN" }
-    & "${env:ProgramFiles(x86)}\7-Zip\7z.exe" x -osrc\out\ffmpeg $localArtifactPath
+    & "${env:ProgramFiles(x86)}\7-Zip\7z.exe" x -o$(Pipeline.Workspace)\src\out\ffmpeg $localArtifactPath
   displayName: 'Download and extract ffmpeg.zip for test'
   env:
     APPVEYOR_TOKEN: $(APPVEYOR_TOKEN)
 
 - powershell: |
-    $localArtifactPath = "$pwd\src\node_headers.zip"
+    $localArtifactPath = "$(Pipeline.Workspace)\src\node_headers.zip"
     $serverArtifactPath = "$env:APPVEYOR_URL/buildjobs/$env:APPVEYOR_JOB_ID/artifacts/node_headers.zip"
     Invoke-RestMethod -Method Get -Uri $serverArtifactPath -OutFile $localArtifactPath -Headers @{ "Authorization" = "Bearer $env:APPVEYOR_TOKEN" }
-    cd src
+    cd $(Pipeline.Workspace)\src
     & "${env:ProgramFiles(x86)}\7-Zip\7z.exe" x -y node_headers.zip
   displayName: 'Download node headers for test'
   env:
     APPVEYOR_TOKEN: $(APPVEYOR_TOKEN)
 
 - powershell: |
-    $localArtifactPath = "$pwd\src\out\Default\electron.lib"
+    $localArtifactPath = "$(Pipeline.Workspace)\src\out\Default\electron.lib"
     $serverArtifactPath = "$env:APPVEYOR_URL/buildjobs/$env:APPVEYOR_JOB_ID/artifacts/electron.lib"
     Invoke-RestMethod -Method Get -Uri $serverArtifactPath -OutFile $localArtifactPath -Headers @{ "Authorization" = "Bearer $env:APPVEYOR_TOKEN" }
   displayName: 'Download electron.lib for test'
   env:
     APPVEYOR_TOKEN: $(APPVEYOR_TOKEN)
 
+# Uncomment the following block if pdb files are needed to debug issues
+# - powershell: |
+#     try {
+#       $localArtifactPath = "$(Pipeline.Workspace)\src\pdb.zip"
+#       $serverArtifactPath = "$env:APPVEYOR_URL/buildjobs/$env:APPVEYOR_JOB_ID/artifacts/pdb.zip"
+#       Invoke-RestMethod -Method Get -Uri $serverArtifactPath -OutFile $localArtifactPath -Headers @{ "Authorization" = "Bearer $env:APPVEYOR_TOKEN" }
+#       cd $(Pipeline.Workspace)\src
+#       & "${env:ProgramFiles(x86)}\7-Zip\7z.exe" x -y pdb.zip
+#     } catch {
+#       Write-Host "There was an exception encountered while downloading pdb files:" $_.Exception.Message
+#     } finally {
+#       $global:LASTEXITCODE = 0
+#     }
+#   displayName: 'Download pdb files for detailed stacktraces'
+#   env:
+#     APPVEYOR_TOKEN: $(APPVEYOR_TOKEN)
+
 - powershell: |
-    New-Item src\out\Default\gen\node_headers\Release -Type directory
-    Copy-Item -path src\out\Default\electron.lib -destination src\out\Default\gen\node_headers\Release\node.lib
+    New-Item $(Pipeline.Workspace)\src\out\Default\gen\node_headers\Release -Type directory
+    Copy-Item -path $(Pipeline.Workspace)\src\out\Default\electron.lib -destination $(Pipeline.Workspace)\src\out\Default\gen\node_headers\Release\node.lib
   displayName: 'Setup node headers'
 
 - script: |
-    cd src
+    cd $(Pipeline.Workspace)\src
     set npm_config_nodedir=%cd%\out\Default\gen\node_headers
     set npm_config_arch=arm64
     cd electron
-    node script/yarn test -- --enable-logging --verbose
-  displayName: 'Run Electron tests'
+    node script/yarn test --runners=main --enable-logging --disable-features=CalculateNativeWinOcclusion
+  displayName: 'Run Electron Main process tests'
   env:
+    ELECTRON_ENABLE_STACK_DUMPING: true
     ELECTRON_OUT_DIR: Default
     IGNORE_YARN_INSTALL_ERROR: 1
     ELECTRON_TEST_RESULTS_DIR: junit
     MOCHA_MULTI_REPORTERS: 'mocha-junit-reporter, tap'
     MOCHA_REPORTER: mocha-multi-reporters
 
+- script: |
+    cd $(Pipeline.Workspace)\src
+    set npm_config_nodedir=%cd%\out\Default\gen\node_headers
+    set npm_config_arch=arm64
+    cd electron
+    node script/yarn test --runners=remote --enable-logging --disable-features=CalculateNativeWinOcclusion
+  displayName: 'Run Electron Remote based tests'
+  env:
+    ELECTRON_OUT_DIR: Default
+    IGNORE_YARN_INSTALL_ERROR: 1
+    ELECTRON_TEST_RESULTS_DIR: junit
+    MOCHA_MULTI_REPORTERS: 'mocha-junit-reporter, tap'
+    MOCHA_REPORTER: mocha-multi-reporters
+  condition: succeededOrFailed()
+
 - task: PublishTestResults@2
   displayName: 'Publish Test Results'
   inputs:
     testResultsFiles: '*.xml'
-    searchFolder: '$(System.DefaultWorkingDirectory)/src/junit/'
+    searchFolder: '$(Pipeline.Workspace)/src/junit/'
   condition: always()
 
 - script: |
-    cd src
+    cd $(Pipeline.Workspace)\src
     echo "Verifying non proprietary ffmpeg"
     python electron\script\verify-ffmpeg.py --build-dir out\Default --source-root %cd% --ffmpeg-path out\ffmpeg
   displayName: 'Verify ffmpeg'
 
 - powershell: |
     Get-Process | Where Name –Like "electron*" | Stop-Process
-    Get-Process | Where Name –Like "MicrosoftEdge*" | Stop-Process
+    Get-Process | Where Name –Like "msedge*" | Stop-Process
   displayName: 'Kill processes left running from last test run'
   condition: always()
+
+- powershell: |
+    Remove-Item -path $env:APPDATA/Electron* -Recurse -Force -ErrorAction Ignore
+  displayName: 'Delete user app data directories'
+  condition: always()

build/args/all.gn

@@ -2,26 +2,42 @@ is_electron_build = true
 root_extra_deps = [ "//electron" ]
 
 # Registry of NMVs --> https://github.com/nodejs/node/blob/master/doc/abi_version_registry.json
-node_module_version = 76
+node_module_version = 103
 
 v8_promise_internal_field_count = 1
-v8_typed_array_max_size_in_heap = 0
 v8_embedder_string = "-electron.0"
 
 # TODO: this breaks mksnapshot
 v8_enable_snapshot_native_code_counters = false
 
+# TODO(codebytere): remove when Node.js handles https://chromium-review.googlesource.com/c/v8/v8/+/3211575
+v8_scriptormodule_legacy_lifetime = true
+
+# we use this api
+v8_enable_javascript_promise_hooks = true
+
 enable_cdm_host_verification = false
 proprietary_codecs = true
 ffmpeg_branding = "Chrome"
 
 enable_basic_printing = true
+
+# Removes DLLs from the build, which are only meant to be used for Chromium development.
+# See https://github.com/electron/electron/pull/17985
 angle_enable_vulkan_validation_layers = false
 dawn_enable_vulkan_validation_layers = false
 
+# This breaks native node modules
+libcxx_abi_unstable = false
+
+# These are disabled because they cause the zip manifest to differ between
+# testing and release builds.
+# See https://chromium-review.googlesource.com/c/chromium/src/+/2774898.
+enable_pseudolocales = false
+
 is_cfi = false
 
-# TODO: disabled due to crashes. re-enable.
-enable_osr = false
+# Make application name configurable at runtime for cookie crypto
+allow_runtime_configurable_key_storage = true
 
-enable_electron_extensions = true
+enable_cet_shadow_stack = false

build/args/goma.gn

@@ -1,2 +0,0 @@
-goma_dir = rebase_path("//electron/external_binaries/goma")
-use_goma = true

build/asar.gni

@@ -57,4 +57,42 @@ template("asar") {
              rebase_path(outputs[0]),
            ]
   }
+
+  node_action(target_name + "_header_hash") {
+    invoker_out = invoker.outputs
+
+    deps = [ ":" + invoker.target_name ]
+    sources = invoker.outputs
+
+    script = "//electron/script/gn-asar-hash.js"
+    outputs = [ "$target_gen_dir/asar_hashes/$target_name.hash" ]
+
+    args = [
+      rebase_path(invoker_out[0]),
+      rebase_path(outputs[0]),
+    ]
+  }
+}
+
+template("asar_hashed_info_plist") {
+  node_action(target_name) {
+    assert(defined(invoker.plist_file),
+           "Need plist_file to add hashed assets to")
+    assert(defined(invoker.keys), "Need keys to replace with asset hash")
+    assert(defined(invoker.hash_targets), "Need hash_targets to read hash from")
+
+    deps = invoker.hash_targets
+
+    script = "//electron/script/gn-plist-but-with-hashes.js"
+    inputs = [ invoker.plist_file ]
+    outputs = [ "$target_gen_dir/hashed_plists/$target_name.plist" ]
+    hash_files = []
+    foreach(hash_target, invoker.hash_targets) {
+      hash_files += get_target_outputs(hash_target)
+    }
+    args = [
+             rebase_path(invoker.plist_file),
+             rebase_path(outputs[0]),
+           ] + invoker.keys + rebase_path(hash_files)
+  }
 }

build/dump_syms.py

@@ -39,7 +39,7 @@ def main(dump_syms, binary, out_dir, stamp_file, dsym_file=None):
     args += ["-g", dsym_file]
   args += [binary]
 
-  symbol_data = subprocess.check_output(args)
+  symbol_data = subprocess.check_output(args).decode(sys.stdout.encoding)
   symbol_path = os.path.join(out_dir, get_symbol_path(symbol_data))
   mkdir_p(os.path.dirname(symbol_path))
 

build/fake_v8_context_snapshot_generator.py

@@ -0,0 +1,8 @@
+import os
+import shutil
+import sys
+
+if os.path.exists(sys.argv[2]):
+  os.remove(sys.argv[2])
+
+shutil.copy(sys.argv[1], sys.argv[2])

build/fuses/build.py

@@ -0,0 +1,102 @@
+#!/usr/bin/env python3
+
+from collections import OrderedDict
+import json
+import os
+import sys
+
+dir_path = os.path.dirname(os.path.realpath(__file__))
+
+SENTINEL = "dL7pKGdnNz796PbbjQWNKmHXBZaB9tsX"
+
+TEMPLATE_H = """
+#ifndef ELECTRON_FUSES_H_
+#define ELECTRON_FUSES_H_
+
+#if defined(WIN32)
+#define FUSE_EXPORT __declspec(dllexport)
+#else
+#define FUSE_EXPORT __attribute__((visibility("default")))
+#endif
+
+namespace electron {
+
+namespace fuses {
+
+extern const volatile char kFuseWire[];
+
+{getters}
+
+}  // namespace fuses
+
+}  // namespace electron
+
+#endif  // ELECTRON_FUSES_H_
+"""
+
+TEMPLATE_CC = """
+#include "electron/fuses.h"
+
+namespace electron {
+
+namespace fuses {
+
+const volatile char kFuseWire[] = { /* sentinel */ {sentinel}, /* fuse_version */ {fuse_version}, /* fuse_wire_length */ {fuse_wire_length}, /* fuse_wire */ {initial_config}};
+
+{getters}
+
+}
+
+}
+"""
+
+with open(os.path.join(dir_path, "fuses.json5"), 'r') as f:
+  fuse_defaults = json.loads(''.join(line for line in f.readlines() if not line.strip()[0] == "/"), object_pairs_hook=OrderedDict)
+
+fuse_version = fuse_defaults['_version']
+del fuse_defaults['_version']
+del fuse_defaults['_schema']
+del fuse_defaults['_comment']
+
+if fuse_version >= pow(2, 8):
+  raise Exception("Fuse version can not exceed one byte in size")
+
+fuses = fuse_defaults.keys()
+
+initial_config = ""
+getters_h = ""
+getters_cc = ""
+index = len(SENTINEL) + 1
+for fuse in fuses:
+  index += 1
+  initial_config += fuse_defaults[fuse]
+  name = ''.join(word.title() for word in fuse.split('_'))
+  getters_h += "FUSE_EXPORT bool Is{name}Enabled();\n".replace("{name}", name)
+  getters_cc += """
+bool Is{name}Enabled() {
+  return kFuseWire[{index}] == '1';
+}
+""".replace("{name}", name).replace("{index}", str(index))
+
+def c_hex(n):
+  s = hex(n)[2:]
+  return "0x" + s.rjust(2, '0')
+
+def hex_arr(s):
+  arr = []
+  for char in s:
+    arr.append(c_hex(ord(char)))
+  return ",".join(arr)
+
+header = TEMPLATE_H.replace("{getters}", getters_h.strip())
+impl = TEMPLATE_CC.replace("{sentinel}", hex_arr(SENTINEL))
+impl = impl.replace("{fuse_version}", c_hex(fuse_version))
+impl = impl.replace("{fuse_wire_length}", c_hex(len(fuses)))
+impl = impl.replace("{initial_config}", hex_arr(initial_config))
+impl = impl.replace("{getters}", getters_cc.strip())
+
+with open(sys.argv[1], 'w') as f:
+  f.write(header)
+
+with open(sys.argv[2], 'w') as f:
+  f.write(impl)

build/fuses/fuses.json5

@@ -0,0 +1,11 @@
+{
+  "_comment": "Modifying the fuse schema in any breaking way should result in the _version prop being incremented.  NEVER remove a fuse or change its meaning, instead mark it as removed with 'r'",
+  "_schema": "0 == off, 1 == on, r == removed fuse",
+  "_version": 1,
+  "run_as_node": "1",
+  "cookie_encryption": "0",
+  "node_options": "1",
+  "node_cli_inspect": "1",
+  "embedded_asar_integrity_validation": "0",
+  "only_load_app_from_asar": "0"
+}

build/generate_node_defines.py

@@ -0,0 +1,34 @@
+import os
+import re
+import sys
+
+DEFINE_EXTRACT_REGEX = re.compile('^ *# *define (\w*)', re.MULTILINE)
+
+def main(outDir, headers):
+  defines = []
+  for filename in headers:
+    with open(filename, 'r') as f:
+      content = f.read()
+      defines += read_defines(content)
+
+  push_and_undef = ''
+  for define in defines:
+    push_and_undef += '#pragma push_macro("%s")\n' % define
+    push_and_undef += '#undef %s\n' % define
+  with open(os.path.join(outDir, 'push_and_undef_node_defines.h'), 'w') as o:
+    o.write(push_and_undef)
+
+  pop = ''
+  for define in defines:
+    pop += '#pragma pop_macro("%s")\n' % define
+  with open(os.path.join(outDir, 'pop_node_defines.h'), 'w') as o:
+    o.write(pop)
+
+def read_defines(content):
+  defines = []
+  for match in DEFINE_EXTRACT_REGEX.finditer(content):
+    defines.append(match.group(1))
+  return defines
+
+if __name__ == '__main__':
+  main(sys.argv[1], sys.argv[2:])

build/install-build-deps.sh

@@ -1,653 +0,0 @@
-#!/bin/bash -e
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-# Script to install everything needed to build chromium (well, ideally, anyway)
-# See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_build_instructions.md
-usage() {
-  echo "Usage: $0 [--options]"
-  echo "Options:"
-  echo "--[no-]syms: enable or disable installation of debugging symbols"
-  echo "--lib32: enable installation of 32-bit libraries, e.g. for V8 snapshot"
-  echo "--[no-]arm: enable or disable installation of arm cross toolchain"
-  echo "--[no-]chromeos-fonts: enable or disable installation of Chrome OS"\
-       "fonts"
-  echo "--[no-]nacl: enable or disable installation of prerequisites for"\
-       "building standalone NaCl and all its toolchains"
-  echo "--[no-]backwards-compatible: enable or disable installation of packages
-        that are no longer currently needed and have been removed from this
-        script.  Useful for bisection."
-  echo "--no-prompt: silently select standard options/defaults"
-  echo "--quick-check: quickly try to determine if dependencies are installed"
-  echo "               (this avoids interactive prompts and sudo commands,"
-  echo "               so might not be 100% accurate)"
-  echo "--unsupported: attempt installation even on unsupported systems"
-  echo "Script will prompt interactively if options not given."
-  exit 1
-}
-# Checks whether a particular package is available in the repos.
-# USAGE: $ package_exists <package name>
-package_exists() {
-  # 'apt-cache search' takes a regex string, so eg. the +'s in packages like
-  # "libstdc++" need to be escaped.
-  local escaped="$(echo $1 | sed 's/[\~\+\.\:-]/\\&/g')"
-  [ ! -z "$(apt-cache search --names-only "${escaped}" | \
-            awk '$1 == "'$1'" { print $1; }')" ]
-}
-# These default to on because (some) bots need them and it keeps things
-# simple for the bot setup if all bots just run the script in its default
-# mode.  Developers who don't want stuff they don't need installed on their
-# own workstations can pass --no-arm --no-nacl when running the script.
-do_inst_arm=1
-do_inst_nacl=1
-while [ "$1" != "" ]
-do
-  case "$1" in
-  --syms)                    do_inst_syms=1;;
-  --no-syms)                 do_inst_syms=0;;
-  --lib32)                   do_inst_lib32=1;;
-  --arm)                     do_inst_arm=1;;
-  --no-arm)                  do_inst_arm=0;;
-  --chromeos-fonts)          do_inst_chromeos_fonts=1;;
-  --no-chromeos-fonts)       do_inst_chromeos_fonts=0;;
-  --nacl)                    do_inst_nacl=1;;
-  --no-nacl)                 do_inst_nacl=0;;
-  --backwards-compatible)    do_inst_backwards_compatible=1;;
-  --no-backwards-compatible) do_inst_backwards_compatible=0;;
-  --add-cross-tool-repo)     add_cross_tool_repo=1;;
-  --no-prompt)               do_default=1
-                             do_quietly="-qq --assume-yes"
-    ;;
-  --quick-check)             do_quick_check=1;;
-  --unsupported)             do_unsupported=1;;
-  *) usage;;
-  esac
-  shift
-done
-if [ "$do_inst_arm" = "1" ]; then
-  do_inst_lib32=1
-fi
-# Check for lsb_release command in $PATH
-if ! which lsb_release > /dev/null; then
-  echo "ERROR: lsb_release not found in \$PATH" >&2
-  exit 1;
-fi
-distro_codename=$(lsb_release --codename --short)
-distro_id=$(lsb_release --id --short)
-supported_codenames="(trusty|xenial|artful|bionic)"
-supported_ids="(Debian)"
-if [ 0 -eq "${do_unsupported-0}" ] && [ 0 -eq "${do_quick_check-0}" ] ; then
-  if [[ ! $distro_codename =~ $supported_codenames &&
-        ! $distro_id =~ $supported_ids ]]; then
-    echo -e "ERROR: The only supported distros are\n" \
-      "\tUbuntu 14.04 LTS (trusty)\n" \
-      "\tUbuntu 16.04 LTS (xenial)\n" \
-      "\tUbuntu 17.10 (artful)\n" \
-      "\tUbuntu 18.04 LTS (bionic)\n" \
-      "\tDebian 8 (jessie) or later" >&2
-    exit 1
-  fi
-  if ! uname -m | egrep -q "i686|x86_64"; then
-    echo "Only x86 architectures are currently supported" >&2
-    exit
-  fi
-fi
-if [ "x$(id -u)" != x0 ] && [ 0 -eq "${do_quick_check-0}" ]; then
-  echo "Running as non-root user."
-  echo "You might have to enter your password one or more times for 'sudo'."
-  echo
-fi
-# Packages needed for chromeos only
-chromeos_dev_list="libbluetooth-dev libxkbcommon-dev"
-if package_exists realpath; then
-  chromeos_dev_list="${chromeos_dev_list} realpath"
-fi
-# Packages needed for development
-dev_list="\
-  binutils
-  bison
-  bzip2
-  cdbs
-  curl
-  dbus-x11
-  dpkg-dev
-  elfutils
-  devscripts
-  fakeroot
-  flex
-  g++
-  git-core
-  git-svn
-  gperf
-  libappindicator3-dev
-  libasound2-dev
-  libatspi2.0-dev
-  libbrlapi-dev
-  libbz2-dev
-  libcairo2-dev
-  libcap-dev
-  libcups2-dev
-  libcurl4-gnutls-dev
-  libdrm-dev
-  libelf-dev
-  libffi-dev
-  libgbm-dev
-  libglib2.0-dev
-  libglu1-mesa-dev
-  libgnome-keyring-dev
-  libgtk-3-dev
-  libkrb5-dev
-  libnspr4-dev
-  libnss3-dev
-  libpam0g-dev
-  libpci-dev
-  libpulse-dev
-  libsctp-dev
-  libspeechd-dev
-  libsqlite3-dev
-  libssl-dev
-  libudev-dev
-  libwww-perl
-  libxslt1-dev
-  libxss-dev
-  libxt-dev
-  libxtst-dev
-  locales
-  openbox
-  p7zip
-  patch
-  perl
-  pkg-config
-  python
-  python-cherrypy3
-  python-crypto
-  python-dev
-  python-numpy
-  python-opencv
-  python-openssl
-  python-psutil
-  python-yaml
-  rpm
-  ruby
-  subversion
-  uuid-dev
-  wdiff
-  x11-utils
-  xcompmgr
-  xz-utils
-  zip
-  $chromeos_dev_list
-"
-# 64-bit systems need a minimum set of 32-bit compat packages for the pre-built
-# NaCl binaries.
-if file -L /sbin/init | grep -q 'ELF 64-bit'; then
-  dev_list="${dev_list} libc6-i386 lib32gcc1 lib32stdc++6"
-fi
-# Run-time libraries required by chromeos only
-chromeos_lib_list="libpulse0 libbz2-1.0"
-# List of required run-time libraries
-common_lib_list="\
-  libappindicator3-1
-  libasound2
-  libatk1.0-0
-  libatspi2.0-0
-  libc6
-  libcairo2
-  libcap2
-  libcups2
-  libexpat1
-  libffi6
-  libfontconfig1
-  libfreetype6
-  libglib2.0-0
-  libgnome-keyring0
-  libgtk-3-0
-  libpam0g
-  libpango1.0-0
-  libpci3
-  libpcre3
-  libpixman-1-0
-  libspeechd2
-  libstdc++6
-  libsqlite3-0
-  libuuid1
-  libwayland-egl1-mesa
-  libx11-6
-  libx11-xcb1
-  libxau6
-  libxcb1
-  libxcomposite1
-  libxcursor1
-  libxdamage1
-  libxdmcp6
-  libxext6
-  libxfixes3
-  libxi6
-  libxinerama1
-  libxrandr2
-  libxrender1
-  libxtst6
-  zlib1g
-"
-# Full list of required run-time libraries
-lib_list="\
-  $common_lib_list
-  $chromeos_lib_list
-"
-# 32-bit libraries needed e.g. to compile V8 snapshot for Android or armhf
-lib32_list="linux-libc-dev:i386 libpci3:i386"
-# 32-bit libraries needed for a 32-bit build
-lib32_list="$lib32_list libx11-xcb1:i386"
-# Packages that have been removed from this script.  Regardless of configuration
-# or options passed to this script, whenever a package is removed, it should be
-# added here.
-backwards_compatible_list="\
-  7za
-  fonts-indic
-  fonts-ipafont
-  fonts-stix
-  fonts-thai-tlwg
-  fonts-tlwg-garuda
-  language-pack-da
-  language-pack-fr
-  language-pack-he
-  language-pack-zh-hant
-  libappindicator-dev
-  libappindicator1
-  libappindicator3-1:i386
-  libexif-dev
-  libexif12
-  libexif12:i386
-  libgbm-dev
-  libgl1-mesa-dev
-  libgl1-mesa-glx:i386
-  libgles2-mesa-dev
-  libgtk2.0-0
-  libgtk2.0-0:i386
-  libgtk2.0-dev
-  mesa-common-dev
-  msttcorefonts
-  ttf-dejavu-core
-  ttf-indic-fonts
-  ttf-kochi-gothic
-  ttf-kochi-mincho
-  ttf-mscorefonts-installer
-  xfonts-mathml
-"
-case $distro_codename in
-  trusty)
-    backwards_compatible_list+=" \
-      libgbm-dev-lts-trusty
-      libgl1-mesa-dev-lts-trusty
-      libgl1-mesa-glx-lts-trusty:i386
-      libgles2-mesa-dev-lts-trusty
-      mesa-common-dev-lts-trusty"
-    ;;
-  xenial)
-    backwards_compatible_list+=" \
-      libgbm-dev-lts-xenial
-      libgl1-mesa-dev-lts-xenial
-      libgl1-mesa-glx-lts-xenial:i386
-      libgles2-mesa-dev-lts-xenial
-      mesa-common-dev-lts-xenial"
-    ;;
-esac
-# arm cross toolchain packages needed to build chrome on armhf
-EM_REPO="deb http://emdebian.org/tools/debian/ jessie main"
-EM_SOURCE=$(cat <<EOF
-# Repo added by Chromium $0
-${EM_REPO}
-# deb-src http://emdebian.org/tools/debian/ jessie main
-EOF
-)
-EM_ARCHIVE_KEY_FINGER="084C6C6F39159EDB67969AA87DE089671804772E"
-GPP_ARM_PACKAGE="g++-arm-linux-gnueabihf"
-case $distro_codename in
-  jessie)
-    eval $(apt-config shell APT_SOURCESDIR 'Dir::Etc::sourceparts/d')
-    CROSSTOOLS_LIST="${APT_SOURCESDIR}/crosstools.list"
-    arm_list="libc6-dev:armhf
-              linux-libc-dev:armhf"
-    if [ "$do_inst_arm" = "1" ]; then
-      if $(dpkg-query -W ${GPP_ARM_PACKAGE} &>/dev/null); then
-        arm_list+=" ${GPP_ARM_PACKAGE}"
-      else
-        if [ "${add_cross_tool_repo}" = "1" ]; then
-          gpg --keyserver pgp.mit.edu --recv-keys ${EM_ARCHIVE_KEY_FINGER}
-          gpg -a --export ${EM_ARCHIVE_KEY_FINGER} | sudo apt-key add -
-          if ! grep "^${EM_REPO}" "${CROSSTOOLS_LIST}" &>/dev/null; then
-            echo "${EM_SOURCE}" | sudo tee -a "${CROSSTOOLS_LIST}" >/dev/null
-          fi
-          arm_list+=" ${GPP_ARM_PACKAGE}"
-        else
-          echo "The Debian Cross-toolchains repository is necessary to"
-          echo "cross-compile Chromium for arm."
-          echo "Rerun with --add-deb-cross-tool-repo to have it added for you."
-        fi
-      fi
-    fi
-    ;;
-  # All necessary ARM packages are available on the default repos on
-  # Debian 9 and later.
-  *)
-    arm_list="libc6-dev-armhf-cross
-              linux-libc-dev-armhf-cross
-              ${GPP_ARM_PACKAGE}"
-    ;;
-esac
-# Work around for dependency issue Ubuntu/Trusty: http://crbug.com/435056
-case $distro_codename in
-  trusty)
-    arm_list+=" g++-4.8-multilib-arm-linux-gnueabihf
-                gcc-4.8-multilib-arm-linux-gnueabihf"
-    ;;
-  xenial|artful|bionic)
-    arm_list+=" g++-5-multilib-arm-linux-gnueabihf
-                gcc-5-multilib-arm-linux-gnueabihf
-                gcc-arm-linux-gnueabihf"
-    ;;
-esac
-# Packages to build NaCl, its toolchains, and its ports.
-naclports_list="ant autoconf bison cmake gawk intltool xutils-dev xsltproc"
-nacl_list="\
-  g++-mingw-w64-i686
-  lib32z1-dev
-  libasound2:i386
-  libcap2:i386
-  libelf-dev:i386
-  libfontconfig1:i386
-  libglib2.0-0:i386
-  libgpm2:i386
-  libgtk-3-0:i386
-  libncurses5:i386
-  lib32ncurses5-dev
-  libnss3:i386
-  libpango1.0-0:i386
-  libssl-dev:i386
-  libtinfo-dev
-  libtinfo-dev:i386
-  libtool
-  libuuid1:i386
-  libxcomposite1:i386
-  libxcursor1:i386
-  libxdamage1:i386
-  libxi6:i386
-  libxrandr2:i386
-  libxss1:i386
-  libxtst6:i386
-  texinfo
-  xvfb
-  ${naclports_list}
-"
-if package_exists libssl1.1; then
-  nacl_list="${nacl_list} libssl1.1:i386"
-elif package_exists libssl1.0.2; then
-  nacl_list="${nacl_list} libssl1.0.2:i386"
-else
-  nacl_list="${nacl_list} libssl1.0.0:i386"
-fi
-# Some package names have changed over time
-if package_exists libpng16-16; then
-  lib_list="${lib_list} libpng16-16"
-else
-  lib_list="${lib_list} libpng12-0"
-fi
-if package_exists libnspr4; then
-  lib_list="${lib_list} libnspr4 libnss3"
-else
-  lib_list="${lib_list} libnspr4-0d libnss3-1d"
-fi
-if package_exists libjpeg-dev; then
-  dev_list="${dev_list} libjpeg-dev"
-else
-  dev_list="${dev_list} libjpeg62-dev"
-fi
-if package_exists libudev1; then
-  dev_list="${dev_list} libudev1"
-  nacl_list="${nacl_list} libudev1:i386"
-else
-  dev_list="${dev_list} libudev0"
-  nacl_list="${nacl_list} libudev0:i386"
-fi
-if package_exists libbrlapi0.6; then
-  dev_list="${dev_list} libbrlapi0.6"
-else
-  dev_list="${dev_list} libbrlapi0.5"
-fi
-if package_exists apache2.2-bin; then
-  dev_list="${dev_list} apache2.2-bin"
-else
-  dev_list="${dev_list} apache2-bin"
-fi
-if package_exists libav-tools; then
-  dev_list="${dev_list} libav-tools"
-fi
-if package_exists php7.2-cgi; then
-  dev_list="${dev_list} php7.2-cgi libapache2-mod-php7.2"
-elif package_exists php7.1-cgi; then
-  dev_list="${dev_list} php7.1-cgi libapache2-mod-php7.1"
-elif package_exists php7.0-cgi; then
-  dev_list="${dev_list} php7.0-cgi libapache2-mod-php7.0"
-else
-  dev_list="${dev_list} php5-cgi libapache2-mod-php5"
-fi
-# Some packages are only needed if the distribution actually supports
-# installing them.
-if package_exists appmenu-gtk; then
-  lib_list="$lib_list appmenu-gtk"
-fi
-# Cross-toolchain strip is needed for building the sysroots.
-if package_exists binutils-arm-linux-gnueabihf; then
-  dev_list="${dev_list} binutils-arm-linux-gnueabihf"
-fi
-if package_exists binutils-aarch64-linux-gnu; then
-  dev_list="${dev_list} binutils-aarch64-linux-gnu"
-fi
-if package_exists binutils-mipsel-linux-gnu; then
-  dev_list="${dev_list} binutils-mipsel-linux-gnu"
-fi
-if package_exists binutils-mips64el-linux-gnuabi64; then
-  dev_list="${dev_list} binutils-mips64el-linux-gnuabi64"
-fi
-# When cross building for arm/Android on 64-bit systems the host binaries
-# that are part of v8 need to be compiled with -m32 which means
-# that basic multilib support is needed.
-if file -L /sbin/init | grep -q 'ELF 64-bit'; then
-  # gcc-multilib conflicts with the arm cross compiler (at least in trusty) but
-  # g++-X.Y-multilib gives us the 32-bit support that we need. Find out the
-  # appropriate value of X and Y by seeing what version the current
-  # distribution's g++-multilib package depends on.
-  multilib_package=$(apt-cache depends g++-multilib --important | \
-      grep -E --color=never --only-matching '\bg\+\+-[0-9.]+-multilib\b')
-  lib32_list="$lib32_list $multilib_package"
-fi
-if [ "$do_inst_syms" = "1" ]; then
-  echo "Including debugging symbols."
-  # Debian is in the process of transitioning to automatic debug packages, which
-  # have the -dbgsym suffix (https://wiki.debian.org/AutomaticDebugPackages).
-  # Untransitioned packages have the -dbg suffix.  And on some systems, neither
-  # will be available, so exclude the ones that are missing.
-  dbg_package_name() {
-    if package_exists "$1-dbgsym"; then
-      echo "$1-dbgsym"
-    elif package_exists "$1-dbg"; then
-      echo "$1-dbg"
-    fi
-  }
-  for package in "${common_lib_list}"; do
-    dbg_list="$dbg_list $(dbg_package_name ${package})"
-  done
-  # Debugging symbols packages not following common naming scheme
-  if [ "$(dbg_package_name libstdc++6)" == "" ]; then
-    if package_exists libstdc++6-8-dbg; then
-      dbg_list="${dbg_list} libstdc++6-8-dbg"
-    elif package_exists libstdc++6-7-dbg; then
-      dbg_list="${dbg_list} libstdc++6-7-dbg"
-    elif package_exists libstdc++6-6-dbg; then
-      dbg_list="${dbg_list} libstdc++6-6-dbg"
-    elif package_exists libstdc++6-5-dbg; then
-      dbg_list="${dbg_list} libstdc++6-5-dbg"
-    elif package_exists libstdc++6-4.9-dbg; then
-      dbg_list="${dbg_list} libstdc++6-4.9-dbg"
-    elif package_exists libstdc++6-4.8-dbg; then
-      dbg_list="${dbg_list} libstdc++6-4.8-dbg"
-    elif package_exists libstdc++6-4.7-dbg; then
-      dbg_list="${dbg_list} libstdc++6-4.7-dbg"
-    elif package_exists libstdc++6-4.6-dbg; then
-      dbg_list="${dbg_list} libstdc++6-4.6-dbg"
-    fi
-  fi
-  if [ "$(dbg_package_name libatk1.0-0)" == "" ]; then
-    dbg_list="$dbg_list $(dbg_package_name libatk1.0)"
-  fi
-  if [ "$(dbg_package_name libpango1.0-0)" == "" ]; then
-    dbg_list="$dbg_list $(dbg_package_name libpango1.0-dev)"
-  fi
-else
-  echo "Skipping debugging symbols."
-  dbg_list=
-fi
-if [ "$do_inst_lib32" = "1" ]; then
-  echo "Including 32-bit libraries."
-else
-  echo "Skipping 32-bit libraries."
-  lib32_list=
-fi
-if [ "$do_inst_arm" = "1" ]; then
-  echo "Including ARM cross toolchain."
-else
-  echo "Skipping ARM cross toolchain."
-  arm_list=
-fi
-if [ "$do_inst_nacl" = "1" ]; then
-  echo "Including NaCl, NaCl toolchain, NaCl ports dependencies."
-else
-  echo "Skipping NaCl, NaCl toolchain, NaCl ports dependencies."
-  nacl_list=
-fi
-filtered_backwards_compatible_list=
-if [ "$do_inst_backwards_compatible" = "1" ]; then
-  echo "Including backwards compatible packages."
-  for package in ${backwards_compatible_list}; do
-    if package_exists ${package}; then
-      filtered_backwards_compatible_list+=" ${package}"
-    fi
-  done
-fi
-# The `sort -r -s -t: -k2` sorts all the :i386 packages to the front, to avoid
-# confusing dpkg-query (crbug.com/446172).
-packages="$(
-  echo "${dev_list} ${lib_list} ${dbg_list} ${lib32_list} ${arm_list}" \
-       "${nacl_list}" ${filtered_backwards_compatible_list} | tr " " "\n" | \
-       sort -u | sort -r -s -t: -k2 | tr "\n" " "
-)"
-if [ 1 -eq "${do_quick_check-0}" ] ; then
-  if ! missing_packages="$(dpkg-query -W -f ' ' ${packages} 2>&1)"; then
-    # Distinguish between packages that actually aren't available to the
-    # system (i.e. not in any repo) and packages that just aren't known to
-    # dpkg (i.e. managed by apt).
-    missing_packages="$(echo "${missing_packages}" | awk '{print $NF}')"
-    not_installed=""
-    unknown=""
-    for p in ${missing_packages}; do
-      if apt-cache show ${p} > /dev/null 2>&1; then
-        not_installed="${p}\n${not_installed}"
-      else
-        unknown="${p}\n${unknown}"
-      fi
-    done
-    if [ -n "${not_installed}" ]; then
-      echo "WARNING: The following packages are not installed:"
-      echo -e "${not_installed}" | sed -e "s/^/  /"
-    fi
-    if [ -n "${unknown}" ]; then
-      echo "WARNING: The following packages are unknown to your system"
-      echo "(maybe missing a repo or need to 'sudo apt-get update'):"
-      echo -e "${unknown}" | sed -e "s/^/  /"
-    fi
-    exit 1
-  fi
-  exit 0
-fi
-if [ "$do_inst_lib32" = "1" ] || [ "$do_inst_nacl" = "1" ]; then
-  sudo dpkg --add-architecture i386
-fi
-sudo apt-get update
-# We initially run "apt-get" with the --reinstall option and parse its output.
-# This way, we can find all the packages that need to be newly installed
-# without accidentally promoting any packages from "auto" to "manual".
-# We then re-run "apt-get" with just the list of missing packages.
-echo "Finding missing packages..."
-# Intentionally leaving $packages unquoted so it's more readable.
-echo "Packages required: " $packages
-echo
-new_list_cmd="sudo apt-get install --reinstall $(echo $packages)"
-if new_list="$(yes n | LANGUAGE=en LANG=C $new_list_cmd)"; then
-  # We probably never hit this following line.
-  echo "No missing packages, and the packages are up to date."
-elif [ $? -eq 1 ]; then
-  # We expect apt-get to have exit status of 1.
-  # This indicates that we cancelled the install with "yes n|".
-  new_list=$(echo "$new_list" |
-    sed -e '1,/The following NEW packages will be installed:/d;s/^  //;t;d')
-  new_list=$(echo "$new_list" | sed 's/ *$//')
-  if [ -z "$new_list" ] ; then
-    echo "No missing packages, and the packages are up to date."
-  else
-    echo "Installing missing packages: $new_list."
-    sudo apt-get install ${do_quietly-} ${new_list}
-  fi
-  echo
-else
-  # An apt-get exit status of 100 indicates that a real error has occurred.
-  # I am intentionally leaving out the '"'s around new_list_cmd,
-  # as this makes it easier to cut and paste the output
-  echo "The following command failed: " ${new_list_cmd}
-  echo
-  echo "It produces the following output:"
-  yes n | $new_list_cmd || true
-  echo
-  echo "You will have to install the above packages yourself."
-  echo
-  exit 100
-fi
-# Install the Chrome OS default fonts. This must go after running
-# apt-get, since install-chromeos-fonts depends on curl.
-if [ "$do_inst_chromeos_fonts" != "0" ]; then
-  echo
-  echo "Installing Chrome OS fonts."
-  dir=`echo $0 | sed -r -e 's/\/[^/]+$//'`
-  if ! sudo $dir/linux/install-chromeos-fonts.py; then
-    echo "ERROR: The installation of the Chrome OS default fonts failed."
-    if [ `stat -f -c %T $dir` == "nfs" ]; then
-      echo "The reason is that your repo is installed on a remote file system."
-    else
-      echo "This is expected if your repo is installed on a remote file system."
-    fi
-    echo "It is recommended to install your repo on a local file system."
-    echo "You can skip the installation of the Chrome OS default founts with"
-    echo "the command line option: --no-chromeos-fonts."
-    exit 1
-  fi
-else
-  echo "Skipping installation of Chrome OS fonts."
-fi
-echo "Installing locales."
-CHROMIUM_LOCALES="da_DK.UTF-8 fr_FR.UTF-8 he_IL.UTF-8 zh_TW.UTF-8"
-LOCALE_GEN=/etc/locale.gen
-if [ -e ${LOCALE_GEN} ]; then
-  OLD_LOCALE_GEN="$(cat /etc/locale.gen)"
-  for CHROMIUM_LOCALE in ${CHROMIUM_LOCALES}; do
-    sudo sed -i "s/^# ${CHROMIUM_LOCALE}/${CHROMIUM_LOCALE}/" ${LOCALE_GEN}
-  done
-  # Regenerating locales can take a while, so only do it if we need to.
-  if (echo "${OLD_LOCALE_GEN}" | cmp -s ${LOCALE_GEN}); then
-    echo "Locales already up-to-date."
-  else
-    sudo locale-gen
-  fi
-else
-  for CHROMIUM_LOCALE in ${CHROMIUM_LOCALES}; do
-    sudo locale-gen ${CHROMIUM_LOCALE}
-  done
-fi

build/js2c.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import subprocess

build/mac/make_locale_dirs.py

@@ -8,6 +8,7 @@
 # require any direct Cocoa locale support.
 
 import os
+import errno
 import sys
 
 
@@ -16,7 +17,7 @@ def main(args):
     try:
       os.makedirs(dirname)
     except OSError as e:
-      if e.errno == os.errno.EEXIST:
+      if e.errno == errno.EEXIST:
         # It's OK if it already exists
         pass
       else:

build/npm-run.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 from __future__ import print_function
 import os
 import subprocess
@@ -15,5 +15,6 @@ args = [cmd, "run",
 try:
     subprocess.check_output(args, stderr=subprocess.STDOUT)
 except subprocess.CalledProcessError as e:
-    print("NPM script '" + sys.argv[2] + "' failed with code '" + str(e.returncode) + "':\n" + e.output)
+    error_msg = "NPM script '{}' failed with code '{}':\n".format(sys.argv[2], e.returncode)
+    print(error_msg + e.output.decode('utf8'))
     sys.exit(e.returncode)

build/npm.gni

@@ -5,8 +5,8 @@ template("npm_action") {
 
   action("npm_pre_flight_" + target_name) {
     inputs = [
-      "package.json",
-      "yarn.lock",
+      "//electron/package.json",
+      "//electron/yarn.lock",
     ]
     script = "//electron/build/npm-run.py"
 

build/profile_toolchain.py

@@ -1,9 +1,12 @@
-from __future__ import with_statement
+from __future__ import unicode_literals
+
 import contextlib
 import sys
 import os
 import optparse
 import json
+import re
+import subprocess
 
 sys.path.append("%s/../../build" % os.path.dirname(os.path.realpath(__file__)))
 
@@ -11,7 +14,6 @@ import find_depot_tools
 from vs_toolchain import \
     SetEnvironmentAndGetRuntimeDllDirs, \
     SetEnvironmentAndGetSDKDir, \
-    GetVisualStudioVersion, \
     NormalizePath
 
 sys.path.append("%s/win_toolchain" % find_depot_tools.add_depot_tools_to_path())
@@ -20,10 +22,10 @@ from get_toolchain_if_necessary import CalculateHash
 
 
 @contextlib.contextmanager
-def cwd(dir):
+def cwd(directory):
     curdir = os.getcwd()
     try:
-        os.chdir(dir)
+        os.chdir(directory)
         yield
     finally:
         os.chdir(curdir)
@@ -34,36 +36,56 @@ def calculate_hash(root):
         return CalculateHash('.', None)
 
 def windows_installed_software():
-    import win32com.client
-    strComputer = "."
-    objWMIService = win32com.client.Dispatch("WbemScripting.SWbemLocator")
-    objSWbemServices = objWMIService.ConnectServer(strComputer, "root\cimv2")
-    colItems = objSWbemServices.ExecQuery("Select * from Win32_Product")
-    items = []
+    powershell_command = [
+        "Get-CimInstance",
+        "-Namespace",
+        "root\cimv2",
+        "-Class",
+        "Win32_product",
+        "|",
+        "Select",
+        "vendor,",
+        "description,",
+        "@{l='install_location';e='InstallLocation'},",
+        "@{l='install_date';e='InstallDate'},",
+        "@{l='install_date_2';e='InstallDate2'},",
+        "caption,",
+        "version,",
+        "name,",
+        "@{l='sku_number';e='SKUNumber'}",
+        "|",
+        "ConvertTo-Json",
+    ]
 
-    for objItem in colItems:
-        item = {}
-        if objItem.Caption:
-            item['caption'] = objItem.Caption
-        if objItem.Caption:
-            item['description'] = objItem.Description
-        if objItem.InstallDate:
-            item['install_date'] = objItem.InstallDate
-        if objItem.InstallDate2:
-            item['install_date_2'] = objItem.InstallDate2
-        if objItem.InstallLocation:
-            item['install_location'] = objItem.InstallLocation
-        if objItem.Name:
-            item['name'] = objItem.Name
-        if objItem.SKUNumber:
-            item['sku_number'] = objItem.SKUNumber
-        if objItem.Vendor:
-            item['vendor'] = objItem.Vendor
-        if objItem.Version:
-            item['version'] = objItem.Version
-        items.append(item)
+    proc = subprocess.Popen(
+        ["powershell.exe", "-Command", "-"],
+        stdin=subprocess.PIPE,
+        stdout=subprocess.PIPE,
+    )
 
-    return items
+    stdout, _ = proc.communicate(" ".join(powershell_command).encode("utf-8"))
+
+    if proc.returncode != 0:
+        raise RuntimeError("Failed to get list of installed software")
+
+    # On AppVeyor there's other output related to PSReadline,
+    # so grab only the JSON output and ignore everything else
+    json_match = re.match(
+        r".*(\[.*{.*}.*\]).*", stdout.decode("utf-8"), re.DOTALL
+    )
+
+    if not json_match:
+        raise RuntimeError(
+            "Couldn't find JSON output for list of installed software"
+        )
+
+    # Filter out missing keys
+    return list(
+        map(
+            lambda info: {k: info[k] for k in info if info[k]},
+            json.loads(json_match.group(1)),
+        )
+    )
 
 
 def windows_profile():
@@ -71,12 +93,18 @@ def windows_profile():
     win_sdk_dir = SetEnvironmentAndGetSDKDir()
     path = NormalizePath(os.environ['GYP_MSVS_OVERRIDE_PATH'])
 
+    # since current windows executable are symbols path dependant,
+    # profile the current directory too
     return {
-        'pwd': os.getcwd(), # since current windows executable are symbols path dependant, profile the current directory too
+        'pwd': os.getcwd(),
         'installed_software': windows_installed_software(),
         'sdks': [
             {'name': 'vs', 'path': path, 'hash': calculate_hash(path)},
-            {'name': 'wsdk', 'path': win_sdk_dir, 'hash': calculate_hash(win_sdk_dir)}
+            {
+                'name': 'wsdk',
+                'path': win_sdk_dir,
+                'hash': calculate_hash(win_sdk_dir),
+            },
         ],
         'runtime_lib_dirs': runtime_dll_dirs,
     }
@@ -84,7 +112,7 @@ def windows_profile():
 
 def main(options):
     if sys.platform == 'win32':
-        with open(options.output_json, 'wb') as f:
+        with open(options.output_json, 'w') as f:
             json.dump(windows_profile(), f)
     else:
         raise OSError("Unsupported OS")
@@ -94,5 +122,5 @@ if __name__ == '__main__':
   parser = optparse.OptionParser()
   parser.add_option('--output-json', metavar='FILE', default='profile.json',
                     help='write information about toolchain to FILE')
-  options, args = parser.parse_args()
-  sys.exit(main(options))
+  opts, args = parser.parse_args()
+  sys.exit(main(opts))

build/run-in-dir.py

@@ -1,6 +1,5 @@
 import sys
 import os
-import subprocess
 
 def main(argv):
   cwd = argv[1]

build/strip_framework.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+import os
+import subprocess
+import sys
+
+source = sys.argv[1]
+dest = sys.argv[2]
+
+# Ensure any existing framework is removed
+subprocess.check_output(["rm", "-rf", dest])
+
+subprocess.check_output(["cp", "-a", source, dest])
+
+# Strip headers, we do not need to ship them
+subprocess.check_output(["rm", "-r", os.path.join(dest, "Headers")])
+subprocess.check_output(
+    ["rm", "-r", os.path.join(dest, "Versions", "Current", "Headers")]
+)

build/tsc.gni

@@ -26,19 +26,12 @@ template("typescript_build") {
       "//electron/typings/internal-electron.d.ts",
     ]
 
-    type_roots = "node_modules/@types,typings"
-    if (defined(invoker.type_root)) {
-      type_roots += "," + invoker.type_root
-    }
-
     base_out_path = invoker.output_gen_dir + "/electron/"
     args = [
       "-p",
       rebase_path(invoker.tsconfig),
       "--outDir",
       rebase_path("$base_out_path" + invoker.output_dir_name),
-      "--typeRoots",
-      type_roots,
     ]
 
     outputs = []

build/webpack/get-outputs.js

@@ -1,2 +0,0 @@
-process.env.PRINT_WEBPACK_GRAPH = true
-require('./run-compiler')

build/webpack/run-compiler.js

@@ -1,22 +0,0 @@
-const path = require('path')
-const webpack = require('webpack')
-
-const configPath = process.argv[2]
-const outPath = path.resolve(process.argv[3])
-const config = require(configPath)
-config.output = {
-  path: path.dirname(outPath),
-  filename: path.basename(outPath)
-}
-
-webpack(config, (err, stats) => {
-  if (err) {
-    console.error(err)
-    process.exit(1)
-  } else if (stats.hasErrors()) {
-    console.error(stats.toString('normal'))
-    process.exit(1)
-  } else {
-    process.exit(0)
-  }
-})

build/webpack/webpack.config.asar.js

@@ -0,0 +1,5 @@
+module.exports = require('./webpack.config.base')({
+  target: 'asar',
+  alwaysHasNode: true,
+  targetDeletesNodeGlobals: true
+});

build/webpack/webpack.config.base.js

@@ -1,22 +1,19 @@
-const fs = require('fs')
-const path = require('path')
-const webpack = require('webpack')
+const fs = require('fs');
+const path = require('path');
+const webpack = require('webpack');
+const TerserPlugin = require('terser-webpack-plugin');
+const WrapperPlugin = require('wrapper-webpack-plugin');
 
-const electronRoot = path.resolve(__dirname, '../..')
-
-const onlyPrintingGraph = !!process.env.PRINT_WEBPACK_GRAPH
+const electronRoot = path.resolve(__dirname, '../..');
 
 class AccessDependenciesPlugin {
-  apply(compiler) {
-    // Only hook into webpack when we are printing the dependency graph
-    if (!onlyPrintingGraph) return
-
+  apply (compiler) {
     compiler.hooks.compilation.tap('AccessDependenciesPlugin', compilation => {
       compilation.hooks.finishModules.tap('AccessDependenciesPlugin', modules => {
-        const filePaths = modules.map(m => m.resource).filter(p => p).map(p => path.relative(electronRoot, p))
-        console.info(JSON.stringify(filePaths))
-      })
-    })
+        const filePaths = modules.map(m => m.resource).filter(p => p).map(p => path.relative(electronRoot, p));
+        console.info(JSON.stringify(filePaths));
+      });
+    });
   }
 }
 
@@ -24,60 +21,152 @@ module.exports = ({
   alwaysHasNode,
   loadElectronFromAlternateTarget,
   targetDeletesNodeGlobals,
-  target
+  target,
+  wrapInitWithProfilingTimeout,
+  wrapInitWithTryCatch
 }) => {
-  let entry = path.resolve(electronRoot, 'lib', target, 'init.ts')
+  let entry = path.resolve(electronRoot, 'lib', target, 'init.ts');
   if (!fs.existsSync(entry)) {
-    entry = path.resolve(electronRoot, 'lib', target, 'init.js')
+    entry = path.resolve(electronRoot, 'lib', target, 'init.js');
   }
 
-  return ({
-    mode: 'development',
-    devtool: 'inline-source-map',
-    entry,
-    target: alwaysHasNode ? 'node' : 'web',
-    output: {
-      filename: `${target}.bundle.js`
-    },
-    resolve: {
-      alias: {
-        '@electron/internal': path.resolve(electronRoot, 'lib'),
-        'electron': path.resolve(electronRoot, 'lib', loadElectronFromAlternateTarget || target, 'api', 'exports', 'electron.ts'),
-        // Force timers to resolve to our dependency that doens't use window.postMessage
-        'timers': path.resolve(electronRoot, 'node_modules', 'timers-browserify', 'main.js')
-      },
-      extensions: ['.ts', '.js']
-    },
-    module: {
-      rules: [{
-        test: /\.ts$/,
-        loader: 'ts-loader',
-        options: {
-          configFile: path.resolve(electronRoot, 'tsconfig.electron.json'),
-          transpileOnly: onlyPrintingGraph,
-          ignoreDiagnostics: [6059]
+  const electronAPIFile = path.resolve(electronRoot, 'lib', loadElectronFromAlternateTarget || target, 'api', 'exports', 'electron.ts');
+
+  return (env = {}, argv = {}) => {
+    const onlyPrintingGraph = !!env.PRINT_WEBPACK_GRAPH;
+    const outputFilename = argv['output-filename'] || `${target}.bundle.js`;
+
+    const defines = {
+      BUILDFLAG: onlyPrintingGraph ? '(a => a)' : ''
+    };
+
+    if (env.buildflags) {
+      const flagFile = fs.readFileSync(env.buildflags, 'utf8');
+      for (const line of flagFile.split(/(\r\n|\r|\n)/g)) {
+        const flagMatch = line.match(/#define BUILDFLAG_INTERNAL_(.+?)\(\) \(([01])\)/);
+        if (flagMatch) {
+          const [, flagName, flagValue] = flagMatch;
+          defines[flagName] = JSON.stringify(Boolean(parseInt(flagValue, 10)));
         }
-      }]
-    },
-    node: {
-      __dirname: false,
-      __filename: false,
-      // We provide our own "timers" import above, any usage of setImmediate inside
-      // one of our renderer bundles should import it from the 'timers' package
-      setImmediate: false,
-    },
-    plugins: [
-      new AccessDependenciesPlugin(),
-      ...(targetDeletesNodeGlobals ? [
-        new webpack.ProvidePlugin({
-          process: ['@electron/internal/renderer/webpack-provider', 'process'],
-          global: ['@electron/internal/renderer/webpack-provider', '_global'],
-          Buffer: ['@electron/internal/renderer/webpack-provider', 'Buffer'],
-        })
-      ] : []),
-      new webpack.ProvidePlugin({
-        Promise: ['@electron/internal/common/webpack-globals-provider', 'Promise'],
-      }),
-    ]
-  })
-}
+      }
+    }
+
+    const ignoredModules = [];
+
+    if (defines.ENABLE_DESKTOP_CAPTURER === 'false') {
+      ignoredModules.push(
+        '@electron/internal/browser/desktop-capturer',
+        '@electron/internal/browser/api/desktop-capturer',
+        '@electron/internal/renderer/api/desktop-capturer'
+      );
+    }
+
+    if (defines.ENABLE_VIEWS_API === 'false') {
+      ignoredModules.push(
+        '@electron/internal/browser/api/views/image-view.js'
+      );
+    }
+
+    const plugins = [];
+
+    if (onlyPrintingGraph) {
+      plugins.push(new AccessDependenciesPlugin());
+    }
+
+    if (targetDeletesNodeGlobals) {
+      plugins.push(new webpack.ProvidePlugin({
+        process: ['@electron/internal/common/webpack-provider', 'process'],
+        global: ['@electron/internal/common/webpack-provider', '_global'],
+        Buffer: ['@electron/internal/common/webpack-provider', 'Buffer']
+      }));
+    }
+
+    plugins.push(new webpack.ProvidePlugin({
+      Promise: ['@electron/internal/common/webpack-globals-provider', 'Promise']
+    }));
+
+    plugins.push(new webpack.DefinePlugin(defines));
+
+    if (wrapInitWithProfilingTimeout) {
+      plugins.push(new WrapperPlugin({
+        header: 'function ___electron_webpack_init__() {',
+        footer: `
+};
+if ((globalThis.process || binding.process).argv.includes("--profile-electron-init")) {
+  setTimeout(___electron_webpack_init__, 0);
+} else {
+  ___electron_webpack_init__();
+}`
+      }));
+    }
+
+    if (wrapInitWithTryCatch) {
+      plugins.push(new WrapperPlugin({
+        header: 'try {',
+        footer: `
+} catch (err) {
+  console.error('Electron ${outputFilename} script failed to run');
+  console.error(err);
+}`
+      }));
+    }
+
+    return {
+      mode: 'development',
+      devtool: false,
+      entry,
+      target: alwaysHasNode ? 'node' : 'web',
+      output: {
+        filename: outputFilename
+      },
+      resolve: {
+        alias: {
+          '@electron/internal': path.resolve(electronRoot, 'lib'),
+          electron$: electronAPIFile,
+          'electron/main$': electronAPIFile,
+          'electron/renderer$': electronAPIFile,
+          'electron/common$': electronAPIFile,
+          // Force timers to resolve to our dependency that doesn't use window.postMessage
+          timers: path.resolve(electronRoot, 'node_modules', 'timers-browserify', 'main.js')
+        },
+        extensions: ['.ts', '.js']
+      },
+      module: {
+        rules: [{
+          test: (moduleName) => !onlyPrintingGraph && ignoredModules.includes(moduleName),
+          loader: 'null-loader'
+        }, {
+          test: /\.ts$/,
+          loader: 'ts-loader',
+          options: {
+            configFile: path.resolve(electronRoot, 'tsconfig.electron.json'),
+            transpileOnly: onlyPrintingGraph,
+            ignoreDiagnostics: [
+              // File '{0}' is not under 'rootDir' '{1}'.
+              6059
+            ]
+          }
+        }]
+      },
+      node: {
+        __dirname: false,
+        __filename: false,
+        // We provide our own "timers" import above, any usage of setImmediate inside
+        // one of our renderer bundles should import it from the 'timers' package
+        setImmediate: false
+      },
+      optimization: {
+        minimize: env.mode === 'production',
+        minimizer: [
+          new TerserPlugin({
+            terserOptions: {
+              keep_classnames: true,
+              keep_fnames: true
+            }
+          })
+        ]
+      },
+      plugins
+    };
+  };
+};

build/webpack/webpack.config.browser.js

@@ -1,4 +1,4 @@
 module.exports = require('./webpack.config.base')({
   target: 'browser',
   alwaysHasNode: true
-})
+});

build/webpack/webpack.config.content_script.js

@@ -1,4 +0,0 @@
-module.exports = require('./webpack.config.base')({
-  target: 'content_script',
-  alwaysHasNode: false
-})

build/webpack/webpack.config.isolated_renderer.js

@@ -1,4 +1,5 @@
 module.exports = require('./webpack.config.base')({
   target: 'isolated_renderer',
-  alwaysHasNode: false
-})
+  alwaysHasNode: false,
+  wrapInitWithTryCatch: true
+});

build/webpack/webpack.config.renderer.js

@@ -1,5 +1,7 @@
 module.exports = require('./webpack.config.base')({
   target: 'renderer',
   alwaysHasNode: true,
-  targetDeletesNodeGlobals: true
-})
+  targetDeletesNodeGlobals: true,
+  wrapInitWithProfilingTimeout: true,
+  wrapInitWithTryCatch: true
+});

build/webpack/webpack.config.sandboxed_renderer.js

@@ -1,4 +1,6 @@
 module.exports = require('./webpack.config.base')({
   target: 'sandboxed_renderer',
-  alwaysHasNode: false
-})
+  alwaysHasNode: false,
+  wrapInitWithProfilingTimeout: true,
+  wrapInitWithTryCatch: true
+});

build/webpack/webpack.config.worker.js

@@ -2,5 +2,6 @@ module.exports = require('./webpack.config.base')({
   target: 'worker',
   loadElectronFromAlternateTarget: 'renderer',
   alwaysHasNode: true,
-  targetDeletesNodeGlobals: true
-})
+  targetDeletesNodeGlobals: true,
+  wrapInitWithTryCatch: true
+});

build/webpack/webpack.gni

@@ -22,10 +22,21 @@ template("webpack_build") {
                "//electron/typings/internal-electron.d.ts",
              ] + invoker.inputs
 
+    mode = "development"
+    if (is_official_build) {
+      mode = "production"
+    }
+
     args = [
+      "--config",
       rebase_path(invoker.config_file),
-      rebase_path(invoker.out_file),
+      "--output-filename=" + get_path_info(invoker.out_file, "file"),
+      "--output-path=" + rebase_path(get_path_info(invoker.out_file, "dir")),
+      "--env.buildflags=" +
+          rebase_path("$target_gen_dir/buildflags/buildflags.h"),
+      "--env.mode=" + mode,
     ]
+    deps += [ "//electron/buildflags" ]
 
     outputs = [ invoker.out_file ]
   }

build/zip.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 from __future__ import print_function
 import os
 import subprocess
@@ -9,22 +9,32 @@ EXTENSIONS_TO_SKIP = [
   '.pdb',
   '.mojom.js',
   '.mojom-lite.js',
-  '.info'
+  '.info',
+  '.m.js'
 ]
 
 PATHS_TO_SKIP = [
-  'angledata', #Skipping because it is an output of //ui/gl that we don't need
-  './libVkICD_mock_', #Skipping because these are outputs that we don't need
-  './VkICD_mock_', #Skipping because these are outputs that we don't need
-
-  # Skipping because its an output of create_bundle from //build/config/mac/rules.gni
-  # that we don't need
+  # Skip because it is an output of //ui/gl that we don't need.
+  'angledata',
+  # Skip because these are outputs that we don't need.
+  './libVkICD_mock_',
+  # Skip because these are outputs that we don't need.
+  './VkICD_mock_',
+  # Skip because its an output of create_bundle from
+  # //build/config/mac/rules.gni that we don't need
   'Electron.dSYM',
-
+  # Refs https://chromium-review.googlesource.com/c/angle/angle/+/2425197.
+  # Remove this when Angle themselves remove the file:
+  # https://issuetracker.google.com/issues/168736059
+  'gen/angle/angle_commit.h',
   # //chrome/browser:resources depends on this via
   # //chrome/browser/resources/ssl/ssl_error_assistant, but we don't need to
   # ship it.
   'pyproto',
+  # Skip because these are outputs that we don't need.
+  'resources/inspector',
+  'gen/third_party/devtools-frontend/src',
+  'gen/ui/webui'
 ]
 
 def skip_path(dep, dist_zip, target_cpu):
@@ -37,7 +47,12 @@ def skip_path(dep, dist_zip, target_cpu):
   should_skip = (
     any(dep.startswith(path) for path in PATHS_TO_SKIP) or
     any(dep.endswith(ext) for ext in EXTENSIONS_TO_SKIP) or
-    ('arm' in target_cpu and dist_zip == 'mksnapshot.zip' and dep == 'snapshot_blob.bin'))
+    (
+      "arm" in target_cpu
+      and dist_zip == "mksnapshot.zip"
+      and dep == "snapshot_blob.bin"
+    )
+  )
   if should_skip:
     print("Skipping {}".format(dep))
   return should_skip
@@ -51,7 +66,7 @@ def execute(argv):
     raise e
 
 def main(argv):
-  dist_zip, runtime_deps, target_cpu, target_os, flatten_val = argv
+  dist_zip, runtime_deps, target_cpu, _, flatten_val, flatten_relative_to = argv
   should_flatten = flatten_val == "true"
   dist_files = set()
   with open(runtime_deps) as f:
@@ -62,17 +77,35 @@ def main(argv):
   if sys.platform == 'darwin' and not should_flatten:
     execute(['zip', '-r', '-y', dist_zip] + list(dist_files))
   else:
-    with zipfile.ZipFile(dist_zip, 'w', zipfile.ZIP_DEFLATED, allowZip64=True) as z:
+    with zipfile.ZipFile(
+      dist_zip, 'w', zipfile.ZIP_DEFLATED, allowZip64=True
+    ) as z:
       for dep in dist_files:
         if os.path.isdir(dep):
-          for root, dirs, files in os.walk(dep):
-            for file in files:
-              z.write(os.path.join(root, file))
+          for root, _, files in os.walk(dep):
+            for filename in files:
+              z.write(os.path.join(root, filename))
         else:
           basename = os.path.basename(dep)
           dirname = os.path.dirname(dep)
-          arcname = os.path.join(dirname, 'chrome-sandbox') if basename == 'chrome_sandbox' else dep
-          z.write(dep, os.path.basename(arcname) if should_flatten else arcname)
+          arcname = (
+            os.path.join(dirname, 'chrome-sandbox')
+            if basename == 'chrome_sandbox'
+            else dep
+          )
+          name_to_write = arcname
+          if should_flatten:
+            if flatten_relative_to:
+              if name_to_write.startswith(flatten_relative_to):
+                name_to_write = name_to_write[len(flatten_relative_to):]
+              else:
+                name_to_write = os.path.basename(arcname)
+            else:
+              name_to_write = os.path.basename(arcname)
+          z.write(
+            dep,
+            name_to_write,
+          )
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))

build/zip_libcxx.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+from __future__ import print_function
+import os
+import subprocess
+import sys
+import zipfile
+
+def execute(argv):
+  try:
+    output = subprocess.check_output(argv, stderr=subprocess.STDOUT)
+    return output
+  except subprocess.CalledProcessError as e:
+    print(e.output)
+    raise e
+
+def get_object_files(base_path, archive_name):
+  archive_file = os.path.join(base_path, archive_name)
+  output = execute(['nm', '-g', archive_file]).decode('ascii')
+  object_files = set()
+  lines = output.split("\n")
+  for line in lines:
+    if line.startswith(base_path):
+      object_file = line.split(":")[0]
+      object_files.add(object_file)
+    if line.startswith('nm: '):
+      object_file = line.split(":")[1].lstrip()
+      object_files.add(object_file)
+  return list(object_files) + [archive_file]
+
+def main(argv):
+  dist_zip, = argv
+  out_dir = os.path.dirname(dist_zip)
+  base_path_libcxx = os.path.join(out_dir, 'obj/buildtools/third_party/libc++')
+  base_path_libcxxabi = os.path.join(out_dir, 'obj/buildtools/third_party/libc++abi')
+  object_files_libcxx = get_object_files(base_path_libcxx, 'libc++.a')
+  object_files_libcxxabi = get_object_files(base_path_libcxxabi, 'libc++abi.a')
+  with zipfile.ZipFile(
+      dist_zip, 'w', zipfile.ZIP_DEFLATED, allowZip64=True
+    ) as z:
+      object_files_libcxx.sort()
+      for object_file in object_files_libcxx:
+        z.write(object_file, os.path.relpath(object_file, base_path_libcxx))
+      for object_file in object_files_libcxxabi:
+        z.write(object_file, os.path.relpath(object_file, base_path_libcxxabi))
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))

buildflags/BUILD.gn

@@ -12,15 +12,14 @@ buildflag_header("buildflags") {
     "ENABLE_DESKTOP_CAPTURER=$enable_desktop_capturer",
     "ENABLE_RUN_AS_NODE=$enable_run_as_node",
     "ENABLE_OSR=$enable_osr",
-    "ENABLE_REMOTE_MODULE=$enable_remote_module",
-    "ENABLE_VIEW_API=$enable_view_api",
-    "ENABLE_PEPPER_FLASH=$enable_pepper_flash",
+    "ENABLE_VIEWS_API=$enable_views_api",
     "ENABLE_PDF_VIEWER=$enable_pdf_viewer",
     "ENABLE_TTS=$enable_tts",
     "ENABLE_COLOR_CHOOSER=$enable_color_chooser",
     "ENABLE_ELECTRON_EXTENSIONS=$enable_electron_extensions",
     "ENABLE_BUILTIN_SPELLCHECKER=$enable_builtin_spellchecker",
     "ENABLE_PICTURE_IN_PICTURE=$enable_picture_in_picture",
+    "ENABLE_WIN_DARK_MODE_WINDOW_UI=$enable_win_dark_mode_window_ui",
     "OVERRIDE_LOCATION_PROVIDER=$enable_fake_location_provider",
   ]
 }

buildflags/buildflags.gni

@@ -10,11 +10,9 @@ declare_args() {
 
   enable_osr = true
 
-  enable_remote_module = true
+  enable_views_api = true
 
-  enable_view_api = false
-
-  enable_pdf_viewer = false
+  enable_pdf_viewer = true
 
   enable_tts = true
 
@@ -28,12 +26,12 @@ declare_args() {
   # Should not be enabled for release build.
   enable_fake_location_provider = !is_official_build
 
-  # Enable flash plugin support.
-  enable_pepper_flash = true
-
   # Enable Chrome extensions support.
-  enable_electron_extensions = false
+  enable_electron_extensions = true
 
   # Enable Spellchecker support
   enable_builtin_spellchecker = true
+
+  # Undocumented Windows dark mode API
+  enable_win_dark_mode_window_ui = false
 }

chromium_src/BUILD.gn

@@ -2,6 +2,7 @@
 # Use of this source code is governed by the MIT license that can be
 # found in the LICENSE file.
 
+import("//build/config/ozone.gni")
 import("//build/config/ui.gni")
 import("//components/spellcheck/spellcheck_build_features.gni")
 import("//electron/buildflags/buildflags.gni")
@@ -12,34 +13,37 @@ import("//third_party/widevine/cdm/widevine.gni")
 static_library("chrome") {
   visibility = [ "//electron:electron_lib" ]
   sources = [
+    "//chrome/browser/accessibility/accessibility_ui.cc",
+    "//chrome/browser/accessibility/accessibility_ui.h",
+    "//chrome/browser/app_mode/app_mode_utils.cc",
+    "//chrome/browser/app_mode/app_mode_utils.h",
+    "//chrome/browser/browser_features.cc",
+    "//chrome/browser/browser_features.h",
     "//chrome/browser/browser_process.cc",
     "//chrome/browser/browser_process.h",
     "//chrome/browser/devtools/devtools_contents_resizing_strategy.cc",
     "//chrome/browser/devtools/devtools_contents_resizing_strategy.h",
     "//chrome/browser/devtools/devtools_embedder_message_dispatcher.cc",
     "//chrome/browser/devtools/devtools_embedder_message_dispatcher.h",
+    "//chrome/browser/devtools/devtools_eye_dropper.cc",
+    "//chrome/browser/devtools/devtools_eye_dropper.h",
     "//chrome/browser/devtools/devtools_file_system_indexer.cc",
     "//chrome/browser/devtools/devtools_file_system_indexer.h",
+    "//chrome/browser/devtools/devtools_settings.h",
     "//chrome/browser/extensions/global_shortcut_listener.cc",
     "//chrome/browser/extensions/global_shortcut_listener.h",
-    "//chrome/browser/extensions/global_shortcut_listener_mac.h",
-    "//chrome/browser/extensions/global_shortcut_listener_mac.mm",
-    "//chrome/browser/extensions/global_shortcut_listener_win.cc",
-    "//chrome/browser/extensions/global_shortcut_listener_win.h",
     "//chrome/browser/icon_loader.cc",
     "//chrome/browser/icon_loader.h",
-    "//chrome/browser/icon_loader_mac.mm",
-    "//chrome/browser/icon_loader_win.cc",
     "//chrome/browser/icon_manager.cc",
     "//chrome/browser/icon_manager.h",
-    "//chrome/browser/media/webrtc/system_media_capture_permissions_mac.h",
-    "//chrome/browser/media/webrtc/system_media_capture_permissions_mac.mm",
     "//chrome/browser/net/chrome_mojo_proxy_resolver_factory.cc",
     "//chrome/browser/net/chrome_mojo_proxy_resolver_factory.h",
     "//chrome/browser/net/proxy_config_monitor.cc",
     "//chrome/browser/net/proxy_config_monitor.h",
     "//chrome/browser/net/proxy_service_factory.cc",
     "//chrome/browser/net/proxy_service_factory.h",
+    "//chrome/browser/platform_util.cc",
+    "//chrome/browser/platform_util.h",
     "//chrome/browser/predictors/preconnect_manager.cc",
     "//chrome/browser/predictors/preconnect_manager.h",
     "//chrome/browser/predictors/predictors_features.cc",
@@ -48,35 +52,104 @@ static_library("chrome") {
     "//chrome/browser/predictors/proxy_lookup_client_impl.h",
     "//chrome/browser/predictors/resolve_host_client_impl.cc",
     "//chrome/browser/predictors/resolve_host_client_impl.h",
-    "//chrome/browser/ssl/security_state_tab_helper.cc",
-    "//chrome/browser/ssl/security_state_tab_helper.h",
-    "//chrome/browser/ssl/tls_deprecation_config.cc",
-    "//chrome/browser/ui/autofill/popup_view_common.cc",
-    "//chrome/browser/ui/autofill/popup_view_common.h",
-    "//chrome/browser/win/chrome_process_finder.cc",
-    "//chrome/browser/win/chrome_process_finder.h",
+    "//chrome/browser/process_singleton.h",
+    "//chrome/browser/process_singleton_internal.cc",
+    "//chrome/browser/process_singleton_internal.h",
+    "//chrome/browser/ui/exclusive_access/exclusive_access_bubble_type.cc",
+    "//chrome/browser/ui/exclusive_access/exclusive_access_bubble_type.h",
+    "//chrome/browser/ui/exclusive_access/exclusive_access_controller_base.cc",
+    "//chrome/browser/ui/exclusive_access/exclusive_access_controller_base.h",
+    "//chrome/browser/ui/exclusive_access/exclusive_access_manager.cc",
+    "//chrome/browser/ui/exclusive_access/exclusive_access_manager.h",
+    "//chrome/browser/ui/exclusive_access/fullscreen_controller.cc",
+    "//chrome/browser/ui/exclusive_access/fullscreen_controller.h",
+    "//chrome/browser/ui/exclusive_access/fullscreen_within_tab_helper.cc",
+    "//chrome/browser/ui/exclusive_access/fullscreen_within_tab_helper.h",
+    "//chrome/browser/ui/exclusive_access/keyboard_lock_controller.cc",
+    "//chrome/browser/ui/exclusive_access/keyboard_lock_controller.h",
+    "//chrome/browser/ui/exclusive_access/mouse_lock_controller.cc",
+    "//chrome/browser/ui/exclusive_access/mouse_lock_controller.h",
+    "//chrome/browser/ui/views/eye_dropper/eye_dropper.cc",
+    "//chrome/browser/ui/views/eye_dropper/eye_dropper.h",
+    "//chrome/browser/ui/views/eye_dropper/eye_dropper_view.cc",
+    "//chrome/browser/ui/views/eye_dropper/eye_dropper_view.h",
     "//extensions/browser/app_window/size_constraints.cc",
     "//extensions/browser/app_window/size_constraints.h",
   ]
+
+  if (is_posix) {
+    sources += [ "//chrome/browser/process_singleton_posix.cc" ]
+  }
+
+  if (is_mac) {
+    sources += [
+      "//chrome/browser/extensions/global_shortcut_listener_mac.h",
+      "//chrome/browser/extensions/global_shortcut_listener_mac.mm",
+      "//chrome/browser/icon_loader_mac.mm",
+      "//chrome/browser/media/webrtc/system_media_capture_permissions_mac.h",
+      "//chrome/browser/media/webrtc/system_media_capture_permissions_mac.mm",
+      "//chrome/browser/media/webrtc/window_icon_util_mac.mm",
+      "//chrome/browser/process_singleton_mac.mm",
+      "//chrome/browser/ui/views/eye_dropper/eye_dropper_view_mac.h",
+      "//chrome/browser/ui/views/eye_dropper/eye_dropper_view_mac.mm",
+    ]
+  }
+
+  if (is_win) {
+    sources += [
+      "//chrome/browser/extensions/global_shortcut_listener_win.cc",
+      "//chrome/browser/extensions/global_shortcut_listener_win.h",
+      "//chrome/browser/icon_loader_win.cc",
+      "//chrome/browser/media/webrtc/window_icon_util_win.cc",
+      "//chrome/browser/process_singleton_win.cc",
+      "//chrome/browser/ui/frame/window_frame_util.h",
+      "//chrome/browser/ui/view_ids.h",
+      "//chrome/browser/win/chrome_process_finder.cc",
+      "//chrome/browser/win/chrome_process_finder.h",
+      "//chrome/browser/win/titlebar_config.h",
+      "//chrome/child/v8_crashpad_support_win.cc",
+      "//chrome/child/v8_crashpad_support_win.h",
+    ]
+  }
+
+  if (is_linux) {
+    sources += [ "//chrome/browser/media/webrtc/window_icon_util_ozone.cc" ]
+  }
+
+  if (use_aura) {
+    sources += [
+      "//chrome/browser/platform_util_aura.cc",
+      "//chrome/browser/ui/views/eye_dropper/eye_dropper_view_aura.cc",
+    ]
+  }
+
   public_deps = [
+    "//chrome/browser:dev_ui_browser_resources",
     "//chrome/common",
     "//chrome/common:version_header",
     "//components/keyed_service/content",
+    "//components/paint_preview/buildflags",
     "//components/proxy_config",
-    "//components/security_state/content",
+    "//components/services/language_detection/public/mojom",
     "//content/public/browser",
+    "//services/strings",
   ]
+
   deps = [
     "//chrome/browser:resource_prefetch_predictor_proto",
-    "//chrome/browser/ssl:proto",
-    "//components/feature_engagement:buildflags",
+    "//components/optimization_guide/proto:optimization_guide_proto",
   ]
 
   if (is_linux) {
     sources += [ "//chrome/browser/icon_loader_auralinux.cc" ]
+    if (use_ozone) {
+      deps += [ "//ui/ozone" ]
+      sources += [
+        "//chrome/browser/extensions/global_shortcut_listener_ozone.cc",
+        "//chrome/browser/extensions/global_shortcut_listener_ozone.h",
+      ]
+    }
     sources += [
-      "//chrome/browser/extensions/global_shortcut_listener_x11.cc",
-      "//chrome/browser/extensions/global_shortcut_listener_x11.h",
       "//chrome/browser/ui/views/status_icons/concat_menu_model.cc",
       "//chrome/browser/ui/views/status_icons/concat_menu_model.h",
       "//chrome/browser/ui/views/status_icons/status_icon_linux_dbus.cc",
@@ -88,8 +161,17 @@ static_library("chrome") {
     ]
   }
 
+  if (is_win) {
+    sources += [
+      "//chrome/browser/win/icon_reader_service.cc",
+      "//chrome/browser/win/icon_reader_service.h",
+    ]
+    public_deps += [ "//chrome/services/util_win:lib" ]
+  }
+
   if (enable_desktop_capturer) {
     sources += [
+      "//chrome/browser/media/webrtc/desktop_media_list.cc",
       "//chrome/browser/media/webrtc/desktop_media_list.h",
       "//chrome/browser/media/webrtc/desktop_media_list_base.cc",
       "//chrome/browser/media/webrtc/desktop_media_list_base.h",
@@ -101,56 +183,6 @@ static_library("chrome") {
     deps += [ "//ui/snapshot" ]
   }
 
-  if (enable_color_chooser) {
-    sources += [
-      "//chrome/browser/platform_util.cc",
-      "//chrome/browser/platform_util.h",
-      "//chrome/browser/ui/browser_dialogs.h",
-      "//chrome/browser/ui/color_chooser.h",
-    ]
-
-    if (use_aura) {
-      sources += [
-        "//chrome/browser/platform_util_aura.cc",
-        "//chrome/browser/ui/views/color_chooser_aura.cc",
-        "//chrome/browser/ui/views/color_chooser_aura.h",
-      ]
-      deps += [ "//components/feature_engagement" ]
-    }
-
-    if (is_mac) {
-      sources += [
-        "//chrome/browser/media/webrtc/window_icon_util_mac.mm",
-        "//chrome/browser/ui/cocoa/color_chooser_mac.h",
-        "//chrome/browser/ui/cocoa/color_chooser_mac.mm",
-      ]
-      deps += [
-        "//components/remote_cocoa/app_shim",
-        "//components/remote_cocoa/browser",
-      ]
-    }
-
-    if (is_win) {
-      sources += [
-        "//chrome/browser/media/webrtc/window_icon_util_win.cc",
-        "//chrome/browser/ui/views/color_chooser_dialog.cc",
-        "//chrome/browser/ui/views/color_chooser_dialog.h",
-        "//chrome/browser/ui/views/color_chooser_win.cc",
-      ]
-    }
-
-    if (is_linux) {
-      sources += [ "//chrome/browser/media/webrtc/window_icon_util_x11.cc" ]
-    }
-  }
-
-  if (enable_tts) {
-    sources += [
-      "//chrome/browser/speech/tts_controller_delegate_impl.cc",
-      "//chrome/browser/speech/tts_controller_delegate_impl.h",
-    ]
-  }
-
   if (enable_widevine) {
     sources += [
       "//chrome/renderer/media/chrome_key_systems.cc",
@@ -163,24 +195,31 @@ static_library("chrome") {
 
   if (enable_basic_printing) {
     sources += [
+      "//chrome/browser/bad_message.cc",
+      "//chrome/browser/bad_message.h",
       "//chrome/browser/printing/print_job.cc",
       "//chrome/browser/printing/print_job.h",
       "//chrome/browser/printing/print_job_manager.cc",
       "//chrome/browser/printing/print_job_manager.h",
       "//chrome/browser/printing/print_job_worker.cc",
       "//chrome/browser/printing/print_job_worker.h",
+      "//chrome/browser/printing/print_job_worker_oop.cc",
+      "//chrome/browser/printing/print_job_worker_oop.h",
       "//chrome/browser/printing/print_view_manager_base.cc",
       "//chrome/browser/printing/print_view_manager_base.h",
-      "//chrome/browser/printing/print_view_manager_basic.cc",
-      "//chrome/browser/printing/print_view_manager_basic.h",
       "//chrome/browser/printing/printer_query.cc",
       "//chrome/browser/printing/printer_query.h",
-      "//chrome/browser/printing/printing_message_filter.cc",
-      "//chrome/browser/printing/printing_message_filter.h",
       "//chrome/browser/printing/printing_service.cc",
       "//chrome/browser/printing/printing_service.h",
     ]
 
+    if (enable_oop_printing) {
+      sources += [
+        "//chrome/browser/printing/print_backend_service_manager.cc",
+        "//chrome/browser/printing/print_backend_service_manager.h",
+      ]
+    }
+
     public_deps += [
       "//chrome/services/printing:lib",
       "//components/printing/browser",
@@ -188,6 +227,7 @@ static_library("chrome") {
       "//components/services/print_compositor",
       "//components/services/print_compositor/public/cpp",
       "//components/services/print_compositor/public/mojom",
+      "//printing/backend",
     ]
 
     deps += [
@@ -199,8 +239,6 @@ static_library("chrome") {
       sources += [
         "//chrome/browser/printing/pdf_to_emf_converter.cc",
         "//chrome/browser/printing/pdf_to_emf_converter.h",
-        "//chrome/utility/printing_handler.cc",
-        "//chrome/utility/printing_handler.h",
       ]
     }
   }
@@ -211,8 +249,16 @@ static_library("chrome") {
       "//chrome/browser/picture_in_picture/picture_in_picture_window_manager.h",
       "//chrome/browser/ui/views/overlay/back_to_tab_image_button.cc",
       "//chrome/browser/ui/views/overlay/back_to_tab_image_button.h",
+      "//chrome/browser/ui/views/overlay/back_to_tab_label_button.cc",
       "//chrome/browser/ui/views/overlay/close_image_button.cc",
       "//chrome/browser/ui/views/overlay/close_image_button.h",
+      "//chrome/browser/ui/views/overlay/constants.h",
+      "//chrome/browser/ui/views/overlay/document_overlay_window_views.cc",
+      "//chrome/browser/ui/views/overlay/document_overlay_window_views.h",
+      "//chrome/browser/ui/views/overlay/hang_up_button.cc",
+      "//chrome/browser/ui/views/overlay/hang_up_button.h",
+      "//chrome/browser/ui/views/overlay/overlay_window_image_button.cc",
+      "//chrome/browser/ui/views/overlay/overlay_window_image_button.h",
       "//chrome/browser/ui/views/overlay/overlay_window_views.cc",
       "//chrome/browser/ui/views/overlay/overlay_window_views.h",
       "//chrome/browser/ui/views/overlay/playback_image_button.cc",
@@ -221,96 +267,101 @@ static_library("chrome") {
       "//chrome/browser/ui/views/overlay/resize_handle_button.h",
       "//chrome/browser/ui/views/overlay/skip_ad_label_button.cc",
       "//chrome/browser/ui/views/overlay/skip_ad_label_button.h",
+      "//chrome/browser/ui/views/overlay/toggle_camera_button.cc",
+      "//chrome/browser/ui/views/overlay/toggle_camera_button.h",
+      "//chrome/browser/ui/views/overlay/toggle_microphone_button.cc",
+      "//chrome/browser/ui/views/overlay/toggle_microphone_button.h",
       "//chrome/browser/ui/views/overlay/track_image_button.cc",
       "//chrome/browser/ui/views/overlay/track_image_button.h",
+      "//chrome/browser/ui/views/overlay/video_overlay_window_views.cc",
+      "//chrome/browser/ui/views/overlay/video_overlay_window_views.h",
     ]
 
     deps += [
       "//chrome/app/vector_icons",
       "//components/vector_icons:vector_icons",
+      "//ui/views/controls/webview",
     ]
   }
 
   if (enable_electron_extensions) {
     sources += [
+      "//chrome/browser/extensions/chrome_url_request_util.cc",
+      "//chrome/browser/extensions/chrome_url_request_util.h",
+      "//chrome/browser/plugins/plugin_response_interceptor_url_loader_throttle.cc",
+      "//chrome/browser/plugins/plugin_response_interceptor_url_loader_throttle.h",
       "//chrome/renderer/extensions/extension_hooks_delegate.cc",
       "//chrome/renderer/extensions/extension_hooks_delegate.h",
       "//chrome/renderer/extensions/tabs_hooks_delegate.cc",
       "//chrome/renderer/extensions/tabs_hooks_delegate.h",
     ]
+
+    if (enable_pdf_viewer) {
+      sources += [
+        "//chrome/browser/pdf/chrome_pdf_stream_delegate.cc",
+        "//chrome/browser/pdf/chrome_pdf_stream_delegate.h",
+        "//chrome/browser/pdf/pdf_extension_util.cc",
+        "//chrome/browser/pdf/pdf_extension_util.h",
+        "//chrome/browser/pdf/pdf_frame_util.cc",
+        "//chrome/browser/pdf/pdf_frame_util.h",
+        "//chrome/browser/plugins/pdf_iframe_navigation_throttle.cc",
+        "//chrome/browser/plugins/pdf_iframe_navigation_throttle.h",
+        "//chrome/renderer/pepper/chrome_pdf_print_client.cc",
+        "//chrome/renderer/pepper/chrome_pdf_print_client.h",
+      ]
+      deps += [
+        "//components/pdf/browser",
+        "//components/pdf/renderer",
+      ]
+    }
+  }
+
+  if (!is_mas_build) {
+    sources += [ "//chrome/browser/hang_monitor/hang_crash_dump.h" ]
+    if (is_mac) {
+      sources += [ "//chrome/browser/hang_monitor/hang_crash_dump_mac.cc" ]
+    } else if (is_win) {
+      sources += [ "//chrome/browser/hang_monitor/hang_crash_dump_win.cc" ]
+    } else {
+      sources += [ "//chrome/browser/hang_monitor/hang_crash_dump.cc" ]
+    }
   }
 }
 
 source_set("plugins") {
   sources = []
   deps = []
-  libs = []
+  frameworks = []
 
   # browser side
   sources += [
     "//chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc",
     "//chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h",
-    "//chrome/browser/renderer_host/pepper/pepper_broker_message_filter.cc",
-    "//chrome/browser/renderer_host/pepper/pepper_broker_message_filter.h",
     "//chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.cc",
     "//chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.h",
   ]
-  deps += [
-    "//media:media_buildflags",
-    "//ppapi/buildflags",
-    "//ppapi/proxy:ipc",
-    "//services/device/public/mojom",
-  ]
-  if (enable_pepper_flash) {
-    sources += [
-      "//chrome/browser/renderer_host/pepper/pepper_flash_browser_host.cc",
-      "//chrome/browser/renderer_host/pepper/pepper_flash_browser_host.h",
-      "//chrome/browser/renderer_host/pepper/pepper_flash_clipboard_message_filter.cc",
-      "//chrome/browser/renderer_host/pepper/pepper_flash_clipboard_message_filter.h",
-      "//chrome/browser/renderer_host/pepper/pepper_flash_drm_host.cc",
-      "//chrome/browser/renderer_host/pepper/pepper_flash_drm_host.h",
-    ]
-    if (is_mac) {
-      sources += [
-        "//chrome/browser/renderer_host/pepper/monitor_finder_mac.h",
-        "//chrome/browser/renderer_host/pepper/monitor_finder_mac.mm",
-      ]
-      libs += [ "CoreGraphics.framework" ]
-    }
-    if (is_linux) {
-      deps += [ "//components/services/font/public/cpp" ]
-    }
-  }
 
   # renderer side
   sources += [
     "//chrome/renderer/pepper/chrome_renderer_pepper_host_factory.cc",
     "//chrome/renderer/pepper/chrome_renderer_pepper_host_factory.h",
+    "//chrome/renderer/pepper/pepper_flash_font_file_host.cc",
+    "//chrome/renderer/pepper/pepper_flash_font_file_host.h",
     "//chrome/renderer/pepper/pepper_shared_memory_message_filter.cc",
     "//chrome/renderer/pepper/pepper_shared_memory_message_filter.h",
   ]
-  if (enable_pepper_flash) {
-    sources += [
-      "//chrome/renderer/pepper/pepper_flash_drm_renderer_host.cc",
-      "//chrome/renderer/pepper/pepper_flash_drm_renderer_host.h",
-      "//chrome/renderer/pepper/pepper_flash_font_file_host.cc",
-      "//chrome/renderer/pepper/pepper_flash_font_file_host.h",
-      "//chrome/renderer/pepper/pepper_flash_fullscreen_host.cc",
-      "//chrome/renderer/pepper/pepper_flash_fullscreen_host.h",
-      "//chrome/renderer/pepper/pepper_flash_menu_host.cc",
-      "//chrome/renderer/pepper/pepper_flash_menu_host.h",
-      "//chrome/renderer/pepper/pepper_flash_renderer_host.cc",
-      "//chrome/renderer/pepper/pepper_flash_renderer_host.h",
-    ]
-  }
+
   deps += [
     "//components/strings",
     "//media:media_buildflags",
+    "//ppapi/buildflags",
     "//ppapi/host",
     "//ppapi/proxy",
     "//ppapi/proxy:ipc",
     "//ppapi/shared_impl",
+    "//services/device/public/mojom",
     "//skia",
+    "//storage/browser",
   ]
 }
 
@@ -321,6 +372,7 @@ source_set("chrome_spellchecker") {
   sources = []
   deps = []
   libs = []
+  public_deps = []
 
   if (enable_builtin_spellchecker) {
     sources += [
@@ -332,13 +384,12 @@ source_set("chrome_spellchecker") {
       "//chrome/browser/spellchecker/spellcheck_factory.h",
       "//chrome/browser/spellchecker/spellcheck_hunspell_dictionary.cc",
       "//chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h",
-      "//chrome/browser/spellchecker/spellcheck_language_blacklist_policy_handler.cc",
-      "//chrome/browser/spellchecker/spellcheck_language_blacklist_policy_handler.h",
+      "//chrome/browser/spellchecker/spellcheck_language_blocklist_policy_handler.cc",
+      "//chrome/browser/spellchecker/spellcheck_language_blocklist_policy_handler.h",
       "//chrome/browser/spellchecker/spellcheck_language_policy_handler.cc",
       "//chrome/browser/spellchecker/spellcheck_language_policy_handler.h",
       "//chrome/browser/spellchecker/spellcheck_service.cc",
       "//chrome/browser/spellchecker/spellcheck_service.h",
-      "//chrome/common/pref_names.h",
     ]
 
     if (has_spellcheck_panel) {
@@ -361,9 +412,11 @@ source_set("chrome_spellchecker") {
       "//components/spellcheck:buildflags",
       "//components/sync",
     ]
+
+    public_deps += [ "//chrome/common:constants" ]
   }
 
-  public_deps = [
+  public_deps += [
     "//components/spellcheck/browser",
     "//components/spellcheck/common",
     "//components/spellcheck/renderer",

chromium_src/chrome/browser/process_singleton.h

@@ -1,187 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_PROCESS_SINGLETON_H_
-#define CHROME_BROWSER_PROCESS_SINGLETON_H_
-
-#if defined(OS_WIN)
-#include <windows.h>
-#endif  // defined(OS_WIN)
-
-#include <set>
-#include <vector>
-
-#include "base/callback.h"
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
-#include "base/process/process.h"
-#include "base/sequence_checker.h"
-#include "ui/gfx/native_widget_types.h"
-
-#if defined(OS_POSIX) && !defined(OS_ANDROID)
-#include "base/files/scoped_temp_dir.h"
-#endif
-
-#if defined(OS_WIN)
-#include "base/win/message_window.h"
-#endif  // defined(OS_WIN)
-
-namespace base {
-class CommandLine;
-}
-
-// ProcessSingleton ----------------------------------------------------------
-//
-// This class allows different browser processes to communicate with
-// each other.  It is named according to the user data directory, so
-// we can be sure that no more than one copy of the application can be
-// running at once with a given data directory.
-//
-// Implementation notes:
-// - the Windows implementation uses an invisible global message window;
-// - the Linux implementation uses a Unix domain socket in the user data dir.
-
-class ProcessSingleton {
- public:
-  enum NotifyResult {
-    PROCESS_NONE,
-    PROCESS_NOTIFIED,
-    PROFILE_IN_USE,
-    LOCK_ERROR,
-  };
-
-  // Implement this callback to handle notifications from other processes. The
-  // callback will receive the command line and directory with which the other
-  // Chrome process was launched. Return true if the command line will be
-  // handled within the current browser instance or false if the remote process
-  // should handle it (i.e., because the current process is shutting down).
-  using NotificationCallback = base::RepeatingCallback<bool(
-      const base::CommandLine::StringVector& command_line,
-      const base::FilePath& current_directory)>;
-
-  ProcessSingleton(const base::FilePath& user_data_dir,
-                   const NotificationCallback& notification_callback);
-  ~ProcessSingleton();
-
-  // Notify another process, if available. Otherwise sets ourselves as the
-  // singleton instance. Returns PROCESS_NONE if we became the singleton
-  // instance. Callers are guaranteed to either have notified an existing
-  // process or have grabbed the singleton (unless the profile is locked by an
-  // unreachable process).
-  // TODO(brettw): Make the implementation of this method non-platform-specific
-  // by making Linux re-use the Windows implementation.
-  NotifyResult NotifyOtherProcessOrCreate();
-  void StartListeningOnSocket();
-  void OnBrowserReady();
-
-  // Sets ourself up as the singleton instance.  Returns true on success.  If
-  // false is returned, we are not the singleton instance and the caller must
-  // exit.
-  // NOTE: Most callers should generally prefer NotifyOtherProcessOrCreate() to
-  // this method, only callers for whom failure is preferred to notifying
-  // another process should call this directly.
-  bool Create();
-
-  // Clear any lock state during shutdown.
-  void Cleanup();
-
-#if defined(OS_POSIX) && !defined(OS_ANDROID)
-  static void DisablePromptForTesting();
-#endif
-#if defined(OS_WIN)
-  // Called to query whether to kill a hung browser process that has visible
-  // windows. Return true to allow killing the hung process.
-  using ShouldKillRemoteProcessCallback = base::RepeatingCallback<bool()>;
-  void OverrideShouldKillRemoteProcessCallbackForTesting(
-      const ShouldKillRemoteProcessCallback& display_dialog_callback);
-#endif
-
- protected:
-  // Notify another process, if available.
-  // Returns true if another process was found and notified, false if we should
-  // continue with the current process.
-  // On Windows, Create() has to be called before this.
-  NotifyResult NotifyOtherProcess();
-
-#if defined(OS_POSIX) && !defined(OS_ANDROID)
-  // Exposed for testing.  We use a timeout on Linux, and in tests we want
-  // this timeout to be short.
-  NotifyResult NotifyOtherProcessWithTimeout(
-      const base::CommandLine& command_line,
-      int retry_attempts,
-      const base::TimeDelta& timeout,
-      bool kill_unresponsive);
-  NotifyResult NotifyOtherProcessWithTimeoutOrCreate(
-      const base::CommandLine& command_line,
-      int retry_attempts,
-      const base::TimeDelta& timeout);
-  void OverrideCurrentPidForTesting(base::ProcessId pid);
-  void OverrideKillCallbackForTesting(
-      const base::RepeatingCallback<void(int)>& callback);
-#endif
-
- private:
-  NotificationCallback notification_callback_;  // Handler for notifications.
-
-#if defined(OS_WIN)
-  HWND remote_window_;               // The HWND_MESSAGE of another browser.
-  base::win::MessageWindow window_;  // The message-only window.
-  bool is_virtualized_;  // Stuck inside Microsoft Softricity VM environment.
-  HANDLE lock_file_;
-  base::FilePath user_data_dir_;
-  ShouldKillRemoteProcessCallback should_kill_remote_process_callback_;
-#elif defined(OS_POSIX) && !defined(OS_ANDROID)
-  // Start listening to the socket.
-  void StartListening(int sock);
-
-  // Return true if the given pid is one of our child processes.
-  // Assumes that the current pid is the root of all pids of the current
-  // instance.
-  bool IsSameChromeInstance(pid_t pid);
-
-  // Extract the process's pid from a symbol link path and if it is on
-  // the same host, kill the process, unlink the lock file and return true.
-  // If the process is part of the same chrome instance, unlink the lock file
-  // and return true without killing it.
-  // If the process is on a different host, return false.
-  bool KillProcessByLockPath();
-
-  // Default function to kill a process, overridable by tests.
-  void KillProcess(int pid);
-
-  // Allow overriding for tests.
-  base::ProcessId current_pid_;
-
-  // Function to call when the other process is hung and needs to be killed.
-  // Allows overriding for tests.
-  base::Callback<void(int)> kill_callback_;
-
-  // Path in file system to the socket.
-  base::FilePath socket_path_;
-
-  // Path in file system to the lock.
-  base::FilePath lock_path_;
-
-  // Path in file system to the cookie file.
-  base::FilePath cookie_path_;
-
-  // Temporary directory to hold the socket.
-  base::ScopedTempDir socket_dir_;
-
-  // Helper class for linux specific messages.  LinuxWatcher is ref counted
-  // because it posts messages between threads.
-  class LinuxWatcher;
-  scoped_refptr<LinuxWatcher> watcher_;
-  int sock_;
-  bool listen_on_ready_ = false;
-#endif
-
-  SEQUENCE_CHECKER(sequence_checker_);
-
-  DISALLOW_COPY_AND_ASSIGN(ProcessSingleton);
-};
-
-#endif  // CHROME_BROWSER_PROCESS_SINGLETON_H_

chromium_src/chrome/browser/process_singleton_win.cc

@@ -1,316 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/process_singleton.h"
-
-#include <shellapi.h>
-
-#include "base/base_paths.h"
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "base/process/process.h"
-#include "base/process/process_info.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/time/time.h"
-#include "base/win/registry.h"
-#include "base/win/scoped_handle.h"
-#include "base/win/windows_version.h"
-#include "chrome/browser/win/chrome_process_finder.h"
-#include "content/public/common/result_codes.h"
-#include "net/base/escape.h"
-#include "ui/gfx/win/hwnd_util.h"
-
-namespace {
-
-const char kLockfile[] = "lockfile";
-
-// A helper class that acquires the given |mutex| while the AutoLockMutex is in
-// scope.
-class AutoLockMutex {
- public:
-  explicit AutoLockMutex(HANDLE mutex) : mutex_(mutex) {
-    DWORD result = ::WaitForSingleObject(mutex_, INFINITE);
-    DPCHECK(result == WAIT_OBJECT_0) << "Result = " << result;
-  }
-
-  ~AutoLockMutex() {
-    BOOL released = ::ReleaseMutex(mutex_);
-    DPCHECK(released);
-  }
-
- private:
-  HANDLE mutex_;
-  DISALLOW_COPY_AND_ASSIGN(AutoLockMutex);
-};
-
-// A helper class that releases the given |mutex| while the AutoUnlockMutex is
-// in scope and immediately re-acquires it when going out of scope.
-class AutoUnlockMutex {
- public:
-  explicit AutoUnlockMutex(HANDLE mutex) : mutex_(mutex) {
-    BOOL released = ::ReleaseMutex(mutex_);
-    DPCHECK(released);
-  }
-
-  ~AutoUnlockMutex() {
-    DWORD result = ::WaitForSingleObject(mutex_, INFINITE);
-    DPCHECK(result == WAIT_OBJECT_0) << "Result = " << result;
-  }
-
- private:
-  HANDLE mutex_;
-  DISALLOW_COPY_AND_ASSIGN(AutoUnlockMutex);
-};
-
-// Checks the visibility of the enumerated window and signals once a visible
-// window has been found.
-BOOL CALLBACK BrowserWindowEnumeration(HWND window, LPARAM param) {
-  bool* result = reinterpret_cast<bool*>(param);
-  *result = ::IsWindowVisible(window) != 0;
-  // Stops enumeration if a visible window has been found.
-  return !*result;
-}
-
-bool ParseCommandLine(const COPYDATASTRUCT* cds,
-                      base::CommandLine::StringVector* parsed_command_line,
-                      base::FilePath* current_directory) {
-  // We should have enough room for the shortest command (min_message_size)
-  // and also be a multiple of wchar_t bytes. The shortest command
-  // possible is L"START\0\0" (empty current directory and command line).
-  static const int min_message_size = 7;
-  if (cds->cbData < min_message_size * sizeof(wchar_t) ||
-      cds->cbData % sizeof(wchar_t) != 0) {
-    LOG(WARNING) << "Invalid WM_COPYDATA, length = " << cds->cbData;
-    return false;
-  }
-
-  // We split the string into 4 parts on NULLs.
-  DCHECK(cds->lpData);
-  const std::wstring msg(static_cast<wchar_t*>(cds->lpData),
-                         cds->cbData / sizeof(wchar_t));
-  const std::wstring::size_type first_null = msg.find_first_of(L'\0');
-  if (first_null == 0 || first_null == std::wstring::npos) {
-    // no NULL byte, don't know what to do
-    LOG(WARNING) << "Invalid WM_COPYDATA, length = " << msg.length()
-                 << ", first null = " << first_null;
-    return false;
-  }
-
-  // Decode the command, which is everything until the first NULL.
-  if (msg.substr(0, first_null) == L"START") {
-    // Another instance is starting parse the command line & do what it would
-    // have done.
-    VLOG(1) << "Handling STARTUP request from another process";
-    const std::wstring::size_type second_null =
-        msg.find_first_of(L'\0', first_null + 1);
-    if (second_null == std::wstring::npos || first_null == msg.length() - 1 ||
-        second_null == msg.length()) {
-      LOG(WARNING) << "Invalid format for start command, we need a string in 4 "
-                      "parts separated by NULLs";
-      return false;
-    }
-
-    // Get current directory.
-    *current_directory =
-        base::FilePath(msg.substr(first_null + 1, second_null - first_null));
-
-    const std::wstring::size_type third_null =
-        msg.find_first_of(L'\0', second_null + 1);
-    if (third_null == std::wstring::npos || third_null == msg.length()) {
-      LOG(WARNING) << "Invalid format for start command, we need a string in 4 "
-                      "parts separated by NULLs";
-    }
-
-    // Get command line.
-    const std::wstring cmd_line =
-        msg.substr(second_null + 1, third_null - second_null);
-    *parsed_command_line = base::CommandLine::FromString(cmd_line).argv();
-    return true;
-  }
-  return false;
-}
-
-bool ProcessLaunchNotification(
-    const ProcessSingleton::NotificationCallback& notification_callback,
-    UINT message,
-    WPARAM wparam,
-    LPARAM lparam,
-    LRESULT* result) {
-  if (message != WM_COPYDATA)
-    return false;
-
-  // Handle the WM_COPYDATA message from another process.
-  const COPYDATASTRUCT* cds = reinterpret_cast<COPYDATASTRUCT*>(lparam);
-
-  base::CommandLine::StringVector parsed_command_line;
-  base::FilePath current_directory;
-  if (!ParseCommandLine(cds, &parsed_command_line, &current_directory)) {
-    *result = TRUE;
-    return true;
-  }
-
-  *result = notification_callback.Run(parsed_command_line, current_directory)
-                ? TRUE
-                : FALSE;
-  return true;
-}
-
-bool TerminateAppWithError() {
-  // TODO: This is called when the secondary process can't ping the primary
-  // process. Need to find out what to do here.
-  return false;
-}
-
-}  // namespace
-
-ProcessSingleton::ProcessSingleton(
-    const base::FilePath& user_data_dir,
-    const NotificationCallback& notification_callback)
-    : notification_callback_(notification_callback),
-      is_virtualized_(false),
-      lock_file_(INVALID_HANDLE_VALUE),
-      user_data_dir_(user_data_dir),
-      should_kill_remote_process_callback_(
-          base::BindRepeating(&TerminateAppWithError)) {
-  // The user_data_dir may have not been created yet.
-  base::CreateDirectoryAndGetError(user_data_dir, nullptr);
-}
-
-ProcessSingleton::~ProcessSingleton() {
-  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
-  if (lock_file_ != INVALID_HANDLE_VALUE)
-    ::CloseHandle(lock_file_);
-}
-
-// Code roughly based on Mozilla.
-ProcessSingleton::NotifyResult ProcessSingleton::NotifyOtherProcess() {
-  if (is_virtualized_)
-    return PROCESS_NOTIFIED;  // We already spawned the process in this case.
-  if (lock_file_ == INVALID_HANDLE_VALUE && !remote_window_) {
-    return LOCK_ERROR;
-  } else if (!remote_window_) {
-    return PROCESS_NONE;
-  }
-
-  switch (chrome::AttemptToNotifyRunningChrome(remote_window_)) {
-    case chrome::NOTIFY_SUCCESS:
-      return PROCESS_NOTIFIED;
-    case chrome::NOTIFY_FAILED:
-      remote_window_ = NULL;
-      return PROCESS_NONE;
-    case chrome::NOTIFY_WINDOW_HUNG:
-      // Fall through and potentially terminate the hung browser.
-      break;
-  }
-
-  DWORD process_id = 0;
-  DWORD thread_id = ::GetWindowThreadProcessId(remote_window_, &process_id);
-  if (!thread_id || !process_id) {
-    remote_window_ = NULL;
-    return PROCESS_NONE;
-  }
-  base::Process process = base::Process::Open(process_id);
-
-  // The window is hung. Scan for every window to find a visible one.
-  bool visible_window = false;
-  ::EnumThreadWindows(thread_id, &BrowserWindowEnumeration,
-                      reinterpret_cast<LPARAM>(&visible_window));
-
-  // If there is a visible browser window, ask the user before killing it.
-  if (visible_window && !should_kill_remote_process_callback_.Run()) {
-    // The user denied. Quit silently.
-    return PROCESS_NOTIFIED;
-  }
-
-  // Time to take action. Kill the browser process.
-  process.Terminate(content::RESULT_CODE_HUNG, true);
-  remote_window_ = NULL;
-  return PROCESS_NONE;
-}
-
-ProcessSingleton::NotifyResult ProcessSingleton::NotifyOtherProcessOrCreate() {
-  ProcessSingleton::NotifyResult result = PROCESS_NONE;
-  if (!Create()) {
-    result = NotifyOtherProcess();
-    if (result == PROCESS_NONE)
-      result = PROFILE_IN_USE;
-  }
-  return result;
-}
-
-void ProcessSingleton::StartListeningOnSocket() {}
-void ProcessSingleton::OnBrowserReady() {}
-
-// Look for a Chrome instance that uses the same profile directory. If there
-// isn't one, create a message window with its title set to the profile
-// directory path.
-bool ProcessSingleton::Create() {
-  static const wchar_t kMutexName[] = L"Local\\AtomProcessSingletonStartup!";
-
-  remote_window_ = chrome::FindRunningChromeWindow(user_data_dir_);
-  if (!remote_window_) {
-    // Make sure we will be the one and only process creating the window.
-    // We use a named Mutex since we are protecting against multi-process
-    // access. As documented, it's clearer to NOT request ownership on creation
-    // since it isn't guaranteed we will get it. It is better to create it
-    // without ownership and explicitly get the ownership afterward.
-    base::win::ScopedHandle only_me(::CreateMutex(NULL, FALSE, kMutexName));
-    if (!only_me.IsValid()) {
-      DPLOG(FATAL) << "CreateMutex failed";
-      return false;
-    }
-
-    AutoLockMutex auto_lock_only_me(only_me.Get());
-
-    // We now own the mutex so we are the only process that can create the
-    // window at this time, but we must still check if someone created it
-    // between the time where we looked for it above and the time the mutex
-    // was given to us.
-    remote_window_ = chrome::FindRunningChromeWindow(user_data_dir_);
-    if (!remote_window_) {
-      // We have to make sure there is no Chrome instance running on another
-      // machine that uses the same profile.
-      base::FilePath lock_file_path = user_data_dir_.AppendASCII(kLockfile);
-      lock_file_ =
-          ::CreateFile(lock_file_path.value().c_str(), GENERIC_WRITE,
-                       FILE_SHARE_READ, NULL, CREATE_ALWAYS,
-                       FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE, NULL);
-      DWORD error = ::GetLastError();
-      LOG_IF(WARNING, lock_file_ != INVALID_HANDLE_VALUE &&
-                          error == ERROR_ALREADY_EXISTS)
-          << "Lock file exists but is writable.";
-      LOG_IF(ERROR, lock_file_ == INVALID_HANDLE_VALUE)
-          << "Lock file can not be created! Error code: " << error;
-
-      if (lock_file_ != INVALID_HANDLE_VALUE) {
-        // Set the window's title to the path of our user data directory so
-        // other Chrome instances can decide if they should forward to us.
-        bool result =
-            window_.CreateNamed(base::BindRepeating(&ProcessLaunchNotification,
-                                                    notification_callback_),
-                                user_data_dir_.value());
-
-        // NB: Ensure that if the primary app gets started as elevated
-        // admin inadvertently, secondary windows running not as elevated
-        // will still be able to send messages
-        ::ChangeWindowMessageFilterEx(window_.hwnd(), WM_COPYDATA, MSGFLT_ALLOW,
-                                      NULL);
-        CHECK(result && window_.hwnd());
-      }
-    }
-  }
-
-  return window_.hwnd() != NULL;
-}
-
-void ProcessSingleton::Cleanup() {}
-
-void ProcessSingleton::OverrideShouldKillRemoteProcessCallbackForTesting(
-    const ShouldKillRemoteProcessCallback& display_dialog_callback) {
-  should_kill_remote_process_callback_ = display_dialog_callback;
-}

default_app/default_app.ts

@@ -1,102 +1,102 @@
-import { app, dialog, BrowserWindow, shell, ipcMain } from 'electron'
-import * as path from 'path'
+import { shell } from 'electron/common';
+import { app, dialog, BrowserWindow, ipcMain } from 'electron/main';
+import * as path from 'path';
+import * as url from 'url';
 
-let mainWindow: BrowserWindow | null = null
+let mainWindow: BrowserWindow | null = null;
 
 // Quit when all windows are closed.
 app.on('window-all-closed', () => {
-  app.quit()
-})
+  app.quit();
+});
 
 function decorateURL (url: string) {
   // safely add `?utm_source=default_app
-  const parsedUrl = new URL(url)
-  parsedUrl.searchParams.append('utm_source', 'default_app')
-  return parsedUrl.toString()
+  const parsedUrl = new URL(url);
+  parsedUrl.searchParams.append('utm_source', 'default_app');
+  return parsedUrl.toString();
 }
 
 // Find the shortest path to the electron binary
-const absoluteElectronPath = process.execPath
-const relativeElectronPath = path.relative(process.cwd(), absoluteElectronPath)
+const absoluteElectronPath = process.execPath;
+const relativeElectronPath = path.relative(process.cwd(), absoluteElectronPath);
 const electronPath = absoluteElectronPath.length < relativeElectronPath.length
   ? absoluteElectronPath
-  : relativeElectronPath
+  : relativeElectronPath;
 
-const indexPath = path.resolve(app.getAppPath(), 'index.html')
+const indexPath = path.resolve(app.getAppPath(), 'index.html');
 
 function isTrustedSender (webContents: Electron.WebContents) {
   if (webContents !== (mainWindow && mainWindow.webContents)) {
-    return false
+    return false;
   }
 
-  const parsedUrl = new URL(webContents.getURL())
-  const urlPath = process.platform === 'win32'
-    // Strip the prefixed "/" that occurs on windows
-    ? path.resolve(parsedUrl.pathname.substr(1))
-    : parsedUrl.pathname
-  return parsedUrl.protocol === 'file:' && urlPath === indexPath
+  try {
+    return url.fileURLToPath(webContents.getURL()) === indexPath;
+  } catch {
+    return false;
+  }
 }
 
 ipcMain.handle('bootstrap', (event) => {
-  return isTrustedSender(event.sender) ? electronPath : null
-})
+  return isTrustedSender(event.sender) ? electronPath : null;
+});
 
-async function createWindow () {
-  await app.whenReady()
+async function createWindow (backgroundColor?: string) {
+  await app.whenReady();
 
   const options: Electron.BrowserWindowConstructorOptions = {
-    width: 900,
-    height: 600,
+    width: 960,
+    height: 620,
     autoHideMenuBar: true,
-    backgroundColor: '#FFFFFF',
+    backgroundColor,
     webPreferences: {
       preload: path.resolve(__dirname, 'preload.js'),
       contextIsolation: true,
-      sandbox: true,
-      enableRemoteModule: false
+      sandbox: true
     },
     useContentSize: true,
     show: false
-  }
+  };
 
   if (process.platform === 'linux') {
-    options.icon = path.join(__dirname, 'icon.png')
+    options.icon = path.join(__dirname, 'icon.png');
   }
 
-  mainWindow = new BrowserWindow(options)
-  mainWindow.on('ready-to-show', () => mainWindow!.show())
+  mainWindow = new BrowserWindow(options);
+  mainWindow.on('ready-to-show', () => mainWindow!.show());
 
   mainWindow.webContents.on('new-window', (event, url) => {
-    event.preventDefault()
-    shell.openExternal(decorateURL(url))
-  })
+    event.preventDefault();
+    shell.openExternal(decorateURL(url));
+  });
 
   mainWindow.webContents.session.setPermissionRequestHandler((webContents, permission, done) => {
-    const parsedUrl = new URL(webContents.getURL())
+    const parsedUrl = new URL(webContents.getURL());
 
     const options: Electron.MessageBoxOptions = {
       title: 'Permission Request',
       message: `Allow '${parsedUrl.origin}' to access '${permission}'?`,
       buttons: ['OK', 'Cancel'],
       cancelId: 1
-    }
+    };
 
     dialog.showMessageBox(mainWindow!, options).then(({ response }) => {
-      done(response === 0)
-    })
-  })
+      done(response === 0);
+    });
+  });
 
-  return mainWindow
+  return mainWindow;
 }
 
 export const loadURL = async (appUrl: string) => {
-  mainWindow = await createWindow()
-  mainWindow.loadURL(appUrl)
-  mainWindow.focus()
-}
+  mainWindow = await createWindow();
+  mainWindow.loadURL(appUrl);
+  mainWindow.focus();
+};
 
 export const loadFile = async (appPath: string) => {
-  mainWindow = await createWindow()
-  mainWindow.loadFile(appPath)
-  mainWindow.focus()
-}
+  mainWindow = await createWindow(appPath === 'index.html' ? '#2f3241' : undefined);
+  mainWindow.loadFile(appPath);
+  mainWindow.focus();
+};

default_app/index.html

@@ -2,6 +2,7 @@
 
 <head>
   <title>Electron</title>
+  <meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script'; trusted-types electron-default-app" />
   <meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src 'sha256-6PH54BfkNq/EMMhUY7nhHf3c+AxloOwfy7hWyT01CM8='; style-src 'self'; img-src 'self'; connect-src 'self'" />
   <link href="./styles.css" type="text/css" rel="stylesheet" />
   <link href="./octicon/build.css" type="text/css" rel="stylesheet" />
@@ -53,31 +54,31 @@
     <nav>
       <div class="linkcol">
         <a class="hero-link" target="_blank" href="https://electronjs.org/blog">
-          <span class="octicon hero-octicon octicon-gist" aria-hidden="true"></span>
+          <span class="octicon hero-octicon octicon-code-square-24" aria-hidden="true"></span>
           <h4>Blog</h4>
         </a>
       </div>
       <div class="linkcol">
         <a class="hero-link" target="_blank" href="https://github.com/electron/electron">
-          <span class="octicon hero-octicon octicon-mark-github" aria-hidden="true"></span>
+          <span class="octicon hero-octicon octicon-mark-github-16" aria-hidden="true"></span>
           <h4>Repository</h4>
         </a>
       </div>
       <div class="linkcol">
         <a class="hero-link" target="_blank" href="https://electronjs.org/docs">
-          <span class="octicon hero-octicon octicon-gear" aria-hidden="true"></span>
+          <span class="octicon hero-octicon octicon-book-24" aria-hidden="true"></span>
           <h4>Docs</h4>
         </a>
       </div>
       <div class="linkcol">
         <a class="hero-link" target="_blank" href="https://github.com/electron/electron-api-demos">
-          <span class="octicon hero-octicon octicon-star" aria-hidden="true"></span>
+          <span class="octicon hero-octicon octicon-star-fill-24" aria-hidden="true"></span>
           <h4>API Demos</h4>
         </a>
       </div>
       <div class="linkcol">
         <a class="hero-link" target="_blank" href="https://electronforge.io">
-          <span class="octicon hero-octicon octicon-gift" aria-hidden="true"></span>
+          <span class="octicon hero-octicon octicon-gift-24" aria-hidden="true"></span>
           <h4>Forge</h4>
         </a>
       </div>

default_app/main.ts

@@ -1,8 +1,9 @@
-import { app, dialog } from 'electron'
+import * as electron from 'electron/main';
 
-import * as fs from 'fs'
-import * as path from 'path'
-import * as url from 'url'
+import * as fs from 'fs';
+import * as path from 'path';
+import * as url from 'url';
+const { app, dialog } = electron;
 
 type DefaultAppOptions = {
   file: null | string;
@@ -14,10 +15,10 @@ type DefaultAppOptions = {
   modules: string[];
 }
 
-const Module = require('module')
+const Module = require('module');
 
 // Parse command line options.
-const argv = process.argv.slice(1)
+const argv = process.argv.slice(1);
 
 const option: DefaultAppOptions = {
   file: null,
@@ -27,50 +28,50 @@ const option: DefaultAppOptions = {
   interactive: false,
   abi: false,
   modules: []
-}
+};
 
-let nextArgIsRequire = false
+let nextArgIsRequire = false;
 
 for (const arg of argv) {
   if (nextArgIsRequire) {
-    option.modules.push(arg)
-    nextArgIsRequire = false
-    continue
+    option.modules.push(arg);
+    nextArgIsRequire = false;
+    continue;
   } else if (arg === '--version' || arg === '-v') {
-    option.version = true
-    break
+    option.version = true;
+    break;
   } else if (arg.match(/^--app=/)) {
-    option.file = arg.split('=')[1]
-    break
+    option.file = arg.split('=')[1];
+    break;
   } else if (arg === '--interactive' || arg === '-i' || arg === '-repl') {
-    option.interactive = true
+    option.interactive = true;
   } else if (arg === '--test-type=webdriver') {
-    option.webdriver = true
+    option.webdriver = true;
   } else if (arg === '--require' || arg === '-r') {
-    nextArgIsRequire = true
-    continue
+    nextArgIsRequire = true;
+    continue;
   } else if (arg === '--abi' || arg === '-a') {
-    option.abi = true
-    continue
+    option.abi = true;
+    continue;
   } else if (arg === '--no-help') {
-    option.noHelp = true
-    continue
+    option.noHelp = true;
+    continue;
   } else if (arg[0] === '-') {
-    continue
+    continue;
   } else {
-    option.file = arg
-    break
+    option.file = arg;
+    break;
   }
 }
 
 if (nextArgIsRequire) {
-  console.error('Invalid Usage: --require [file]\n\n"file" is required')
-  process.exit(1)
+  console.error('Invalid Usage: --require [file]\n\n"file" is required');
+  process.exit(1);
 }
 
 // Set up preload modules
 if (option.modules.length > 0) {
-  Module._preloadModules(option.modules)
+  Module._preloadModules(option.modules);
 }
 
 function loadApplicationPackage (packagePath: string) {
@@ -79,102 +80,179 @@ function loadApplicationPackage (packagePath: string) {
     configurable: false,
     enumerable: true,
     value: true
-  })
+  });
 
   try {
     // Override app name and version.
-    packagePath = path.resolve(packagePath)
-    const packageJsonPath = path.join(packagePath, 'package.json')
-    let appPath
+    packagePath = path.resolve(packagePath);
+    const packageJsonPath = path.join(packagePath, 'package.json');
+    let appPath;
     if (fs.existsSync(packageJsonPath)) {
-      let packageJson
+      let packageJson;
       try {
-        packageJson = require(packageJsonPath)
+        packageJson = require(packageJsonPath);
       } catch (e) {
-        showErrorMessage(`Unable to parse ${packageJsonPath}\n\n${e.message}`)
-        return
+        showErrorMessage(`Unable to parse ${packageJsonPath}\n\n${(e as Error).message}`);
+        return;
       }
 
       if (packageJson.version) {
-        app.setVersion(packageJson.version)
+        app.setVersion(packageJson.version);
       }
       if (packageJson.productName) {
-        app.name = packageJson.productName
+        app.name = packageJson.productName;
       } else if (packageJson.name) {
-        app.name = packageJson.name
+        app.name = packageJson.name;
       }
-      appPath = packagePath
+      appPath = packagePath;
     }
 
     try {
-      const filePath = Module._resolveFilename(packagePath, module, true)
-      app._setDefaultAppPaths(appPath || path.dirname(filePath))
+      const filePath = Module._resolveFilename(packagePath, module, true);
+      app.setAppPath(appPath || path.dirname(filePath));
     } catch (e) {
-      showErrorMessage(`Unable to find Electron app at ${packagePath}\n\n${e.message}`)
-      return
+      showErrorMessage(`Unable to find Electron app at ${packagePath}\n\n${(e as Error).message}`);
+      return;
     }
 
     // Run the app.
-    Module._load(packagePath, module, true)
+    Module._load(packagePath, module, true);
   } catch (e) {
-    console.error('App threw an error during load')
-    console.error(e.stack || e)
-    throw e
+    console.error('App threw an error during load');
+    console.error((e as Error).stack || e);
+    throw e;
   }
 }
 
 function showErrorMessage (message: string) {
-  app.focus()
-  dialog.showErrorBox('Error launching app', message)
-  process.exit(1)
+  app.focus();
+  dialog.showErrorBox('Error launching app', message);
+  process.exit(1);
 }
 
 async function loadApplicationByURL (appUrl: string) {
-  const { loadURL } = await import('./default_app')
-  loadURL(appUrl)
+  const { loadURL } = await import('./default_app');
+  loadURL(appUrl);
 }
 
 async function loadApplicationByFile (appPath: string) {
-  const { loadFile } = await import('./default_app')
-  loadFile(appPath)
+  const { loadFile } = await import('./default_app');
+  loadFile(appPath);
 }
 
 function startRepl () {
   if (process.platform === 'win32') {
-    console.error('Electron REPL not currently supported on Windows')
-    process.exit(1)
+    console.error('Electron REPL not currently supported on Windows');
+    process.exit(1);
   }
 
-  // prevent quitting
-  app.on('window-all-closed', () => {})
+  // Prevent quitting.
+  app.on('window-all-closed', () => {});
 
-  const repl = require('repl')
-  repl.start('> ').on('exit', () => {
-    process.exit(0)
-  })
+  const GREEN = '32';
+  const colorize = (color: string, s: string) => `\x1b[${color}m${s}\x1b[0m`;
+  const electronVersion = colorize(GREEN, `v${process.versions.electron}`);
+  const nodeVersion = colorize(GREEN, `v${process.versions.node}`);
+
+  console.info(`
+    Welcome to the Electron.js REPL \\[._.]/
+
+    You can access all Electron.js modules here as well as Node.js modules.
+    Using: Node.js ${nodeVersion} and Electron.js ${electronVersion}
+  `);
+
+  const { REPLServer } = require('repl');
+  const repl = new REPLServer({
+    prompt: '> '
+  }).on('exit', () => {
+    process.exit(0);
+  });
+
+  function defineBuiltin (context: any, name: string, getter: Function) {
+    const setReal = (val: any) => {
+      // Deleting the property before re-assigning it disables the
+      // getter/setter mechanism.
+      delete context[name];
+      context[name] = val;
+    };
+
+    Object.defineProperty(context, name, {
+      get: () => {
+        const lib = getter();
+
+        delete context[name];
+        Object.defineProperty(context, name, {
+          get: () => lib,
+          set: setReal,
+          configurable: true,
+          enumerable: false
+        });
+
+        return lib;
+      },
+      set: setReal,
+      configurable: true,
+      enumerable: false
+    });
+  }
+
+  defineBuiltin(repl.context, 'electron', () => electron);
+  for (const api of Object.keys(electron) as (keyof typeof electron)[]) {
+    defineBuiltin(repl.context, api, () => electron[api]);
+  }
+
+  // Copied from node/lib/repl.js. For better DX, we don't want to
+  // show e.g 'contentTracing' at a higher priority than 'const', so
+  // we only trigger custom tab-completion when no common words are
+  // potentially matches.
+  const commonWords = [
+    'async', 'await', 'break', 'case', 'catch', 'const', 'continue',
+    'debugger', 'default', 'delete', 'do', 'else', 'export', 'false',
+    'finally', 'for', 'function', 'if', 'import', 'in', 'instanceof', 'let',
+    'new', 'null', 'return', 'switch', 'this', 'throw', 'true', 'try',
+    'typeof', 'var', 'void', 'while', 'with', 'yield'
+  ];
+
+  const electronBuiltins = [...Object.keys(electron), 'original-fs', 'electron'];
+
+  const defaultComplete = repl.completer;
+  repl.completer = (line: string, callback: Function) => {
+    const lastSpace = line.lastIndexOf(' ');
+    const currentSymbol = line.substring(lastSpace + 1, repl.cursor);
+
+    const filterFn = (c: string) => c.startsWith(currentSymbol);
+    const ignores = commonWords.filter(filterFn);
+    const hits = electronBuiltins.filter(filterFn);
+
+    if (!ignores.length && hits.length) {
+      callback(null, [hits, currentSymbol]);
+    } else {
+      defaultComplete.apply(repl, [line, callback]);
+    }
+  };
 }
 
 // Start the specified app if there is one specified in command line, otherwise
 // start the default app.
 if (option.file && !option.webdriver) {
-  const file = option.file
-  const protocol = url.parse(file).protocol
-  const extension = path.extname(file)
+  const file = option.file;
+  const protocol = url.parse(file).protocol;
+  const extension = path.extname(file);
   if (protocol === 'http:' || protocol === 'https:' || protocol === 'file:' || protocol === 'chrome:') {
-    loadApplicationByURL(file)
+    loadApplicationByURL(file);
   } else if (extension === '.html' || extension === '.htm') {
-    loadApplicationByFile(path.resolve(file))
+    loadApplicationByFile(path.resolve(file));
   } else {
-    loadApplicationPackage(file)
+    loadApplicationPackage(file);
   }
 } else if (option.version) {
-  console.log('v' + process.versions.electron)
-  process.exit(0)
+  console.log('v' + process.versions.electron);
+  process.exit(0);
 } else if (option.abi) {
-  console.log(process.versions.modules)
-  process.exit(0)
+  console.log(process.versions.modules);
+  process.exit(0);
 } else if (option.interactive) {
-  startRepl()
+  startRepl();
 } else {
   if (!option.noHelp) {
     const welcomeMessage = `
@@ -192,10 +270,10 @@ Options:
   -i, --interactive     Open a REPL to the main process.
   -r, --require         Module to preload (option can be repeated).
   -v, --version         Print the version.
-  -a, --abi             Print the Node ABI version.`
+  -a, --abi             Print the Node ABI version.`;
 
-    console.log(welcomeMessage)
+    console.log(welcomeMessage);
   }
 
-  loadApplicationByFile('index.html')
+  loadApplicationByFile('index.html');
 }

default_app/preload.ts

@@ -1,53 +1,58 @@
-import { ipcRenderer, contextBridge } from 'electron'
+import { ipcRenderer, contextBridge } from 'electron/renderer';
+
+const policy = window.trustedTypes.createPolicy('electron-default-app', {
+  // we trust the SVG contents
+  createHTML: input => input
+});
 
 async function getOcticonSvg (name: string) {
   try {
-    const response = await fetch(`octicon/${name}.svg`)
-    const div = document.createElement('div')
-    div.innerHTML = await response.text()
-    return div
+    const response = await fetch(`octicon/${name}.svg`);
+    const div = document.createElement('div');
+    div.innerHTML = policy.createHTML(await response.text());
+    return div;
   } catch {
-    return null
+    return null;
   }
 }
 
 async function loadSVG (element: HTMLSpanElement) {
   for (const cssClass of element.classList) {
     if (cssClass.startsWith('octicon-')) {
-      const icon = await getOcticonSvg(cssClass.substr(8))
+      const icon = await getOcticonSvg(cssClass.substr(8));
       if (icon) {
         for (const elemClass of element.classList) {
-          icon.classList.add(elemClass)
+          icon.classList.add(elemClass);
         }
-        element.before(icon)
-        element.remove()
-        break
+        element.before(icon);
+        element.remove();
+        break;
       }
     }
   }
 }
 
 async function initialize () {
-  const electronPath = await ipcRenderer.invoke('bootstrap')
+  const electronPath = await ipcRenderer.invoke('bootstrap');
 
   function replaceText (selector: string, text: string) {
-    const element = document.querySelector<HTMLElement>(selector)
+    const element = document.querySelector<HTMLElement>(selector);
     if (element) {
-      element.innerText = text
+      element.innerText = text;
     }
   }
 
-  replaceText('.electron-version', `Electron v${process.versions.electron}`)
-  replaceText('.chrome-version', `Chromium v${process.versions.chrome}`)
-  replaceText('.node-version', `Node v${process.versions.node}`)
-  replaceText('.v8-version', `v8 v${process.versions.v8}`)
-  replaceText('.command-example', `${electronPath} path-to-app`)
+  replaceText('.electron-version', `Electron v${process.versions.electron}`);
+  replaceText('.chrome-version', `Chromium v${process.versions.chrome}`);
+  replaceText('.node-version', `Node v${process.versions.node}`);
+  replaceText('.v8-version', `v8 v${process.versions.v8}`);
+  replaceText('.command-example', `${electronPath} path-to-app`);
 
   for (const element of document.querySelectorAll<HTMLSpanElement>('.octicon')) {
-    loadSVG(element)
+    loadSVG(element);
   }
 }
 
 contextBridge.exposeInMainWorld('electronDefaultApp', {
   initialize
-})
+});

default_app/styles.css

@@ -8,7 +8,7 @@ body {
 }
 
 .container {
-  margin: 15px 30px 30px 30px;
+  margin: 15px 30px;
   background-color: #2f3241;
   flex: 1;
   display: flex;

docs/README.md

@@ -18,28 +18,14 @@ an issue:
 
 ## Guides and Tutorials
 
-* [About Electron](tutorial/about.md)
-* [Setting up the Development Environment](tutorial/development-environment.md)
-  * [Setting up macOS](tutorial/development-environment.md#setting-up-macos)
-  * [Setting up Windows](tutorial/development-environment.md#setting-up-windows)
-  * [Setting up Linux](tutorial/development-environment.md#setting-up-linux)
-  * [Choosing an Editor](tutorial/development-environment.md#a-good-editor)
-* [Creating your First App](tutorial/first-app.md)
-  * [Installing Electron](tutorial/first-app.md#installing-electron)
-  * [Electron Development in a Nutshell](tutorial/first-app.md#electron-development-in-a-nutshell)
-  * [Running Your App](tutorial/first-app.md#running-your-app)
-* [Boilerplates and CLIs](tutorial/boilerplates-and-clis.md)
-  * [Boilerplate vs CLI](tutorial/boilerplates-and-clis.md#boilerplate-vs-cli)
-  * [electron-forge](tutorial/boilerplates-and-clis.md#electron-forge)
-  * [electron-builder](tutorial/boilerplates-and-clis.md#electron-builder)
-  * [electron-react-boilerplate](tutorial/boilerplates-and-clis.md#electron-react-boilerplate)
-  * [Other Tools and Boilerplates](tutorial/boilerplates-and-clis.md#other-tools-and-boilerplates)
-* [Application Architecture](tutorial/application-architecture.md)
-  * [Main and Renderer Processes](tutorial/application-architecture.md#main-and-renderer-processes)
-  * [Using Electron's APIs](tutorial/application-architecture.md#using-electron-apis)
-  * [Using Node.js APIs](tutorial/application-architecture.md#using-nodejs-apis)
-  * [Using Native Node.js Modules](tutorial/using-native-node-modules.md)
-  * [Performance Strategies](tutorial/performance.md)
+### Getting started
+
+* [Introduction](tutorial/introduction.md)
+* [Quick Start](tutorial/quick-start.md)
+* [Process Model](tutorial/process-model.md)
+
+### Learning the basics
+
 * Adding Features to Your App
   * [Notifications](tutorial/notifications.md)
   * [Recent Documents](tutorial/recent-documents.md)
@@ -52,30 +38,37 @@ an issue:
   * [Represented File for macOS BrowserWindows](tutorial/represented-file.md)
   * [Native File Drag & Drop](tutorial/native-file-drag-drop.md)
   * [Offscreen Rendering](tutorial/offscreen-rendering.md)
-  * [Supporting macOS Dark Mode](tutorial/mojave-dark-mode-guide.md)
+  * [Dark Mode](tutorial/dark-mode.md)
   * [Web embeds in Electron](tutorial/web-embeds.md)
+* [Boilerplates and CLIs](tutorial/boilerplates-and-clis.md)
+  * [Boilerplate vs CLI](tutorial/boilerplates-and-clis.md#boilerplate-vs-cli)
+  * [electron-forge](tutorial/boilerplates-and-clis.md#electron-forge)
+  * [electron-builder](tutorial/boilerplates-and-clis.md#electron-builder)
+  * [electron-react-boilerplate](tutorial/boilerplates-and-clis.md#electron-react-boilerplate)
+  * [Other Tools and Boilerplates](tutorial/boilerplates-and-clis.md#other-tools-and-boilerplates)
+
+### Advanced steps
+
+* Application Architecture
+  * [Using Native Node.js Modules](tutorial/using-native-node-modules.md)
+  * [Performance Strategies](tutorial/performance.md)
+  * [Security Strategies](tutorial/security.md)
+  * [Process Sandboxing](tutorial/sandbox.md)
 * [Accessibility](tutorial/accessibility.md)
-  * [Spectron](tutorial/accessibility.md#spectron)
-  * [Devtron](tutorial/accessibility.md#devtron)
-  * [Enabling Accessibility](tutorial/accessibility.md#enabling-accessibility)
+  * [Manually Enabling Accessibility Features](tutorial/accessibility.md#manually-enabling-accessibility-features)
 * [Testing and Debugging](tutorial/application-debugging.md)
   * [Debugging the Main Process](tutorial/debugging-main-process.md)
-  * [Debugging the Main Process with Visual Studio Code](tutorial/debugging-main-process-vscode.md)
-  * [Using Selenium and WebDriver](tutorial/using-selenium-and-webdriver.md)
+  * [Debugging with Visual Studio Code](tutorial/debugging-vscode.md)
   * [Testing on Headless CI Systems (Travis, Jenkins)](tutorial/testing-on-headless-ci.md)
   * [DevTools Extension](tutorial/devtools-extension.md)
-  * [Automated Testing with a Custom Driver](tutorial/automated-testing-with-a-custom-driver.md)
+  * [Automated Testing](tutorial/automated-testing.md)
+  * [REPL](tutorial/repl.md)
 * [Distribution](tutorial/application-distribution.md)
   * [Supported Platforms](tutorial/support.md#supported-platforms)
   * [Code Signing](tutorial/code-signing.md)
   * [Mac App Store](tutorial/mac-app-store-submission-guide.md)
   * [Windows Store](tutorial/windows-store-guide.md)
   * [Snapcraft](tutorial/snapcraft.md)
-* [Security](tutorial/security.md)
-  * [Reporting Security Issues](tutorial/security.md#reporting-security-issues)
-  * [Chromium Security Issues and Upgrades](tutorial/security.md#chromium-security-issues-and-upgrades)
-  * [Electron Security Warnings](tutorial/security.md#electron-security-warnings)
-  * [Security Checklist](tutorial/security.md#checklist-security-recommendations)
 * [Updates](tutorial/updates.md)
   * [Deploying an Update Server](tutorial/updates.md#deploying-an-update-server)
   * [Implementing Updates in Your App](tutorial/updates.md#implementing-updates-in-your-app)
@@ -93,14 +86,7 @@ These individual tutorials expand on topics discussed in the guide above.
 * Electron Releases & Developer Feedback
   * [Versioning Policy](tutorial/electron-versioning.md)
   * [Release Timelines](tutorial/electron-timelines.md)
-  * [App Feedback Program](tutorial/app-feedback-program.md)
-* [Packaging App Source Code with asar](tutorial/application-packaging.md)
-  * [Generating asar Archives](tutorial/application-packaging.md#generating-asar-archives)
-  * [Using asar Archives](tutorial/application-packaging.md#using-asar-archives)
-  * [Limitations](tutorial/application-packaging.md#limitations-of-the-node-api)
-  * [Adding Unpacked Files to asar Archives](tutorial/application-packaging.md#adding-unpacked-files-to-asar-archives)
 * [Testing Widevine CDM](tutorial/testing-widevine-cdm.md)
-* [Using Pepper Flash Plugin](tutorial/using-pepper-flash-plugin.md)
 
 ---
 
@@ -112,6 +98,7 @@ These individual tutorials expand on topics discussed in the guide above.
 * [Process Object](api/process.md)
 * [Supported Command Line Switches](api/command-line-switches.md)
 * [Environment Variables](api/environment-variables.md)
+* [Chrome Extensions Support](api/extensions.md)
 * [Breaking API Changes](breaking-changes.md)
 
 ### Custom DOM Elements:
@@ -119,7 +106,6 @@ These individual tutorials expand on topics discussed in the guide above.
 * [`File` Object](api/file-object.md)
 * [`<webview>` Tag](api/webview-tag.md)
 * [`window.open` Function](api/window-open.md)
-* [`BrowserWindowProxy` Object](api/browser-window-proxy.md)
 
 ### Modules for the Main Process:
 
@@ -134,30 +120,35 @@ These individual tutorials expand on topics discussed in the guide above.
 * [ipcMain](api/ipc-main.md)
 * [Menu](api/menu.md)
 * [MenuItem](api/menu-item.md)
+* [MessageChannelMain](api/message-channel-main.md)
+* [MessagePortMain](api/message-port-main.md)
 * [net](api/net.md)
 * [netLog](api/net-log.md)
+* [nativeTheme](api/native-theme.md)
 * [Notification](api/notification.md)
 * [powerMonitor](api/power-monitor.md)
 * [powerSaveBlocker](api/power-save-blocker.md)
 * [protocol](api/protocol.md)
 * [screen](api/screen.md)
 * [session](api/session.md)
+* [ShareMenu](api/share-menu.md)
 * [systemPreferences](api/system-preferences.md)
 * [TouchBar](api/touch-bar.md)
 * [Tray](api/tray.md)
 * [webContents](api/web-contents.md)
+* [webFrameMain](api/web-frame-main.md)
 
 ### Modules for the Renderer Process (Web Page):
 
-* [desktopCapturer](api/desktop-capturer.md)
+* [contextBridge](api/context-bridge.md)
 * [ipcRenderer](api/ipc-renderer.md)
-* [remote](api/remote.md)
 * [webFrame](api/web-frame.md)
 
 ### Modules for Both Processes:
 
 * [clipboard](api/clipboard.md)
 * [crashReporter](api/crash-reporter.md)
+* [desktopCapturer](api/desktop-capturer.md)
 * [nativeImage](api/native-image.md)
 * [shell](api/shell.md)
 

docs/api/accelerator.md

@@ -2,7 +2,7 @@
 
 > Define keyboard shortcuts.
 
-Accelerators are Strings that can contain multiple modifiers and a single key code,
+Accelerators are strings that can contain multiple modifiers and a single key code,
 combined by the `+` character, and are used to define keyboard shortcuts
 throughout your application.
 
@@ -35,7 +35,7 @@ Linux and Windows to define some accelerators.
 Use `Alt` instead of `Option`. The `Option` key only exists on macOS, whereas
 the `Alt` key is available on all platforms.
 
-The `Super` key is mapped to the `Windows` key on Windows and Linux and
+The `Super` (or `Meta`) key is mapped to the `Windows` key on Windows and Linux and
 `Cmd` on macOS.
 
 ## Available modifiers
@@ -48,13 +48,14 @@ The `Super` key is mapped to the `Windows` key on Windows and Linux and
 * `AltGr`
 * `Shift`
 * `Super`
+* `Meta`
 
 ## Available key codes
 
 * `0` to `9`
 * `A` to `Z`
 * `F1` to `F24`
-* Punctuations like `~`, `!`, `@`, `#`, `$`, etc.
+* Punctuation like `~`, `!`, `@`, `#`, `$`, etc.
 * `Plus`
 * `Space`
 * `Tab`

docs/api/auto-updater.md

@@ -43,7 +43,7 @@ The installer generated with Squirrel will create a shortcut icon with an
 same ID for your app with `app.setAppUserModelId` API, otherwise Windows will
 not be able to pin your app properly in task bar.
 
-Unlike Squirrel.Mac, Windows can host updates on S3 or any other static file host.
+Like Squirrel.Mac, Windows can host updates on S3 or any other static file host.
 You can read the documents of [Squirrel.Windows][squirrel-windows] to get more details
 about how Squirrel.Windows works.
 
@@ -77,10 +77,10 @@ Emitted when there is no available update.
 Returns:
 
 * `event` Event
-* `releaseNotes` String
-* `releaseName` String
+* `releaseNotes` string
+* `releaseName` string
 * `releaseDate` Date
-* `updateURL` String
+* `updateURL` string
 
 Emitted when an update has been downloaded.
 
@@ -102,22 +102,25 @@ The `autoUpdater` object has the following methods:
 ### `autoUpdater.setFeedURL(options)`
 
 * `options` Object
-  * `url` String
-  * `headers` Record<String, String> (optional) _macOS_ - HTTP request headers.
-  * `serverType` String (optional) _macOS_ - Either `json` or `default`, see the [Squirrel.Mac][squirrel-mac]
+  * `url` string
+  * `headers` Record<string, string> (optional) _macOS_ - HTTP request headers.
+  * `serverType` string (optional) _macOS_ - Can be `json` or `default`, see the [Squirrel.Mac][squirrel-mac]
     README for more information.
 
 Sets the `url` and initialize the auto updater.
 
 ### `autoUpdater.getFeedURL()`
 
-Returns `String` - The current update feed URL.
+Returns `string` - The current update feed URL.
 
 ### `autoUpdater.checkForUpdates()`
 
 Asks the server whether there is an update. You must call `setFeedURL` before
 using this API.
 
+**Note:** If an update is available it will be downloaded automatically.
+Calling `autoUpdater.checkForUpdates()` twice will download the update two times.
+
 ### `autoUpdater.quitAndInstall()`
 
 Restarts the app and installs the update after it has been downloaded. It

docs/api/browser-view.md

@@ -1,26 +1,30 @@
-## Class: BrowserView
-
-> Create and control views.
-
-Process: [Main](../glossary.md#main-process)
+# BrowserView
 
 A `BrowserView` can be used to embed additional web content into a
 [`BrowserWindow`](browser-window.md). It is like a child window, except that it is positioned
 relative to its owning window. It is meant to be an alternative to the
 `webview` tag.
 
+## Class: BrowserView
+
+> Create and control views.
+
+Process: [Main](../glossary.md#main-process)
+
 ### Example
 
 ```javascript
 // In the main process.
-const { BrowserView, BrowserWindow } = require('electron')
+const { app, BrowserView, BrowserWindow } = require('electron')
 
-const win = new BrowserWindow({ width: 800, height: 600 })
+app.whenReady().then(() => {
+  const win = new BrowserWindow({ width: 800, height: 600 })
 
-const view = new BrowserView()
-win.setBrowserView(view)
-view.setBounds({ x: 0, y: 0, width: 300, height: 300 })
-view.webContents.loadURL('https://electronjs.org')
+  const view = new BrowserView()
+  win.setBrowserView(view)
+  view.setBounds({ x: 0, y: 0, width: 300, height: 300 })
+  view.webContents.loadURL('https://electronjs.org')
+})
 ```
 
 ### `new BrowserView([options])` _Experimental_
@@ -28,25 +32,6 @@ view.webContents.loadURL('https://electronjs.org')
 * `options` Object (optional)
   * `webPreferences` Object (optional) - See [BrowserWindow](browser-window.md).
 
-### Static Methods
-
-#### `BrowserView.getAllViews()`
-
-Returns `BrowserView[]` - An array of all opened BrowserViews.
-
-#### `BrowserView.fromWebContents(webContents)`
-
-* `webContents` [WebContents](web-contents.md)
-
-Returns `BrowserView | null` - The BrowserView that owns the given `webContents`
-or `null` if the contents are not owned by a BrowserView.
-
-#### `BrowserView.fromId(id)`
-
-* `id` Integer
-
-Returns `BrowserView` - The view with the given `id`.
-
 ### Instance Properties
 
 Objects created with `new BrowserView` have the following properties:
@@ -55,34 +40,20 @@ Objects created with `new BrowserView` have the following properties:
 
 A [`WebContents`](web-contents.md) object owned by this view.
 
-#### `view.id` _Experimental_
-
-A `Integer` representing the unique ID of the view.
-
 ### Instance Methods
 
 Objects created with `new BrowserView` have the following instance methods:
 
-#### `view.destroy()`
-
-Force closing the view, the `unload` and `beforeunload` events won't be emitted
-for the web page. After you're done with a view, call this function in order to
-free memory and other resources as soon as possible.
-
-#### `view.isDestroyed()`
-
-Returns `Boolean` - Whether the view is destroyed.
-
 #### `view.setAutoResize(options)` _Experimental_
 
 * `options` Object
-  * `width` Boolean (optional) - If `true`, the view's width will grow and shrink together
+  * `width` boolean (optional) - If `true`, the view's width will grow and shrink together
     with the window. `false` by default.
-  * `height` Boolean (optional) - If `true`, the view's height will grow and shrink
+  * `height` boolean (optional) - If `true`, the view's height will grow and shrink
     together with the window. `false` by default.
-  * `horizontal` Boolean (optional) - If `true`, the view's x position and width will grow
+  * `horizontal` boolean (optional) - If `true`, the view's x position and width will grow
     and shrink proportionally with the window. `false` by default.
-  * `vertical` Boolean (optional) - If `true`, the view's y position and height will grow
+  * `vertical` boolean (optional) - If `true`, the view's y position and height will grow
     and shrink proportionally with the window. `false` by default.
 
 #### `view.setBounds(bounds)` _Experimental_
@@ -99,5 +70,31 @@ The `bounds` of this BrowserView instance as `Object`.
 
 #### `view.setBackgroundColor(color)` _Experimental_
 
-* `color` String - Color in `#aarrggbb` or `#argb` form. The alpha channel is
-  optional.
+* `color` string - Color in Hex, RGB, ARGB, HSL, HSLA or named CSS color format. The alpha channel is
+  optional for the hex type.
+
+Examples of valid `color` values:
+
+* Hex
+  * #fff (RGB)
+  * #ffff (ARGB)
+  * #ffffff (RRGGBB)
+  * #ffffffff (AARRGGBB)
+* RGB
+  * rgb\(([\d]+),\s*([\d]+),\s*([\d]+)\)
+    * e.g. rgb(255, 255, 255)
+* RGBA
+  * rgba\(([\d]+),\s*([\d]+),\s*([\d]+),\s*([\d.]+)\)
+    * e.g. rgba(255, 255, 255, 1.0)
+* HSL
+  * hsl\((-?[\d.]+),\s*([\d.]+)%,\s*([\d.]+)%\)
+    * e.g. hsl(200, 20%, 50%)
+* HSLA
+  * hsla\((-?[\d.]+),\s*([\d.]+)%,\s*([\d.]+)%,\s*([\d.]+)\)
+    * e.g. hsla(200, 20%, 50%, 0.5)
+* Color name
+  * Options are listed in [SkParseColor.cpp](https://source.chromium.org/chromium/chromium/src/+/main:third_party/skia/src/utils/SkParseColor.cpp;l=11-152;drc=eea4bf52cb0d55e2a39c828b017c80a5ee054148)
+  * Similar to CSS Color Module Level 3 keywords, but case-sensitive.
+    * e.g. `blueviolet` or `red`
+
+**Note:** Hex format with alpha takes `AARRGGBB` or `ARGB`, _not_ `RRGGBBA` or `RGA`.

docs/api/browser-window-proxy.md

@@ -1,53 +0,0 @@
-## Class: BrowserWindowProxy
-
-> Manipulate the child browser window
-
-Process: [Renderer](../glossary.md#renderer-process)
-
-The `BrowserWindowProxy` object is returned from `window.open` and provides
-limited functionality with the child window.
-
-### Instance Methods
-
-The `BrowserWindowProxy` object has the following instance methods:
-
-#### `win.blur()`
-
-Removes focus from the child window.
-
-#### `win.close()`
-
-Forcefully closes the child window without calling its unload event.
-
-#### `win.eval(code)`
-
-* `code` String
-
-Evaluates the code in the child window.
-
-#### `win.focus()`
-
-Focuses the child window (brings the window to front).
-
-#### `win.print()`
-
-Invokes the print dialog on the child window.
-
-#### `win.postMessage(message, targetOrigin)`
-
-* `message` any
-* `targetOrigin` String
-
-Sends a message to the child window with the specified origin or `*` for no
-origin preference.
-
-In addition to these methods, the child window implements `window.opener` object
-with no properties and a single method.
-
-### Instance Properties
-
-The `BrowserWindowProxy` object has the following instance properties:
-
-#### `win.closed`
-
-A `Boolean` that is set to true after the child window gets closed.

docs/api/client-request.md

@@ -2,38 +2,53 @@
 
 > Make HTTP/HTTPS requests.
 
-Process: [Main](../glossary.md#main-process)
+Process: [Main](../glossary.md#main-process)<br />
+_This class is not exported from the `'electron'` module. It is only available as a return value of other methods in the Electron API._
 
 `ClientRequest` implements the [Writable Stream](https://nodejs.org/api/stream.html#stream_writable_streams)
 interface and is therefore an [EventEmitter][event-emitter].
 
 ### `new ClientRequest(options)`
 
-* `options` (Object | String) - If `options` is a String, it is interpreted as
+* `options` (Object | string) - If `options` is a string, it is interpreted as
 the request URL. If it is an object, it is expected to fully specify an HTTP request via the
 following properties:
-  * `method` String (optional) - The HTTP request method. Defaults to the GET
-method.
-  * `url` String (optional) - The request URL. Must be provided in the absolute
-form with the protocol scheme specified as http or https.
+  * `method` string (optional) - The HTTP request method. Defaults to the GET
+    method.
+  * `url` string (optional) - The request URL. Must be provided in the absolute
+    form with the protocol scheme specified as http or https.
   * `session` Session (optional) - The [`Session`](session.md) instance with
-which the request is associated.
-  * `partition` String (optional) - The name of the [`partition`](session.md)
-  with which the request is associated. Defaults to the empty string. The
-`session` option prevails on `partition`. Thus if a `session` is explicitly
-specified, `partition` is ignored.
-  * `protocol` String (optional) - The protocol scheme in the form 'scheme:'.
-Currently supported values are 'http:' or 'https:'. Defaults to 'http:'.
-  * `host` String (optional) - The server host provided as a concatenation of
-the hostname and the port number 'hostname:port'.
-  * `hostname` String (optional) - The server host name.
+    which the request is associated.
+  * `partition` string (optional) - The name of the [`partition`](session.md)
+    with which the request is associated. Defaults to the empty string. The
+    `session` option supersedes `partition`. Thus if a `session` is explicitly
+    specified, `partition` is ignored.
+  * `credentials` string (optional) - Can be `include` or `omit`. Whether to
+    send [credentials](https://fetch.spec.whatwg.org/#credentials) with this
+    request. If set to `include`, credentials from the session associated with
+    the request will be used. If set to `omit`, credentials will not be sent
+    with the request (and the `'login'` event will not be triggered in the
+    event of a 401). This matches the behavior of the
+    [fetch](https://fetch.spec.whatwg.org/#concept-request-credentials-mode)
+    option of the same name. If this option is not specified, authentication
+    data from the session will be sent, and cookies will not be sent (unless
+    `useSessionCookies` is set).
+  * `useSessionCookies` boolean (optional) - Whether to send cookies with this
+    request from the provided session. If `credentials` is specified, this
+    option has no effect. Default is `false`.
+  * `protocol` string (optional) - Can be `http:` or `https:`. The protocol
+    scheme in the form 'scheme:'. Defaults to 'http:'.
+  * `host` string (optional) - The server host provided as a concatenation of
+    the hostname and the port number 'hostname:port'.
+  * `hostname` string (optional) - The server host name.
   * `port` Integer (optional) - The server's listening port number.
-  * `path` String (optional) - The path part of the request URL.
-  * `redirect` String (optional) - The redirect mode for this request. Should be
-one of `follow`, `error` or `manual`. Defaults to `follow`. When mode is `error`,
-any redirection will be aborted. When mode is `manual` the redirection will be
-cancelled unless [`request.followRedirect`](#requestfollowredirect) is invoked
-synchronously during the [`redirect`](#event-redirect) event.
+  * `path` string (optional) - The path part of the request URL.
+  * `redirect` string (optional) - Can be `follow`, `error` or `manual`. The
+    redirect mode for this request. When mode is `error`, any redirection will
+    be aborted. When mode is `manual` the redirection will be cancelled unless
+    [`request.followRedirect`](#requestfollowredirect) is invoked synchronously
+    during the [`redirect`](#event-redirect) event.  Defaults to `follow`.
+  * `origin` string (optional) - The origin URL of the request.
 
 `options` properties such as `protocol`, `host`, `hostname`, `port` and `path`
 strictly follow the Node.js model as described in the
@@ -57,34 +72,35 @@ const request = net.request({
 
 Returns:
 
-* `response` IncomingMessage - An object representing the HTTP response message.
+* `response` [IncomingMessage](incoming-message.md) - An object representing the HTTP response message.
 
 #### Event: 'login'
 
 Returns:
 
 * `authInfo` Object
-  * `isProxy` Boolean
-  * `scheme` String
-  * `host` String
+  * `isProxy` boolean
+  * `scheme` string
+  * `host` string
   * `port` Integer
-  * `realm` String
+  * `realm` string
 * `callback` Function
-  * `username` String (optional)
-  * `password` String (optional)
+  * `username` string (optional)
+  * `password` string (optional)
 
 Emitted when an authenticating proxy is asking for user credentials.
 
 The `callback` function is expected to be called back with user credentials:
 
-* `username` String
-* `password` String
+* `username` string
+* `password` string
 
 ```JavaScript
 request.on('login', (authInfo, callback) => {
   callback('username', 'password')
 })
 ```
+
 Providing empty credentials will cancel the request and report an authentication
 error on the response object:
 
@@ -126,15 +142,14 @@ Emitted as the last event in the HTTP request-response transaction. The `close`
 event indicates that no more events will be emitted on either the `request` or
 `response` objects.
 
-
 #### Event: 'redirect'
 
 Returns:
 
 * `statusCode` Integer
-* `method` String
-* `redirectUrl` String
-* `responseHeaders` Record<String, String[]>
+* `method` string
+* `redirectUrl` string
+* `responseHeaders` Record<string, string[]>
 
 Emitted when the server returns a redirect response (e.g. 301 Moved
 Permanently). Calling [`request.followRedirect`](#requestfollowredirect) will
@@ -146,7 +161,7 @@ continue with the redirection.  If this event is handled,
 
 #### `request.chunkedEncoding`
 
-A `Boolean` specifying whether the request will use HTTP chunked transfer encoding
+A `boolean` specifying whether the request will use HTTP chunked transfer encoding
 or not. Defaults to false. The property is readable and writable, however it can
 be set only before the first write operation as the HTTP headers are not yet put
 on the wire. Trying to set the `chunkedEncoding` property after the first write
@@ -160,32 +175,46 @@ internally buffered inside Electron process memory.
 
 #### `request.setHeader(name, value)`
 
-* `name` String - An extra HTTP header name.
-* `value` String - An extra HTTP header value.
+* `name` string - An extra HTTP header name.
+* `value` string - An extra HTTP header value.
 
 Adds an extra HTTP header. The header name will be issued as-is without
 lowercasing. It can be called only before first write. Calling this method after
-the first write will throw an error. If the passed value is not a `String`, its
+the first write will throw an error. If the passed value is not a `string`, its
 `toString()` method will be called to obtain the final value.
 
+Certain headers are restricted from being set by apps. These headers are
+listed below. More information on restricted headers can be found in
+[Chromium's header utils](https://source.chromium.org/chromium/chromium/src/+/master:services/network/public/cpp/header_util.cc;drc=1562cab3f1eda927938f8f4a5a91991fefde66d3;bpv=1;bpt=1;l=22).
+
+* `Content-Length`
+* `Host`
+* `Trailer` or `Te`
+* `Upgrade`
+* `Cookie2`
+* `Keep-Alive`
+* `Transfer-Encoding`
+
+Additionally, setting the `Connection` header to the value `upgrade` is also disallowed.
+
 #### `request.getHeader(name)`
 
-* `name` String - Specify an extra header name.
+* `name` string - Specify an extra header name.
 
-Returns `String` - The value of a previously set extra header name.
+Returns `string` - The value of a previously set extra header name.
 
 #### `request.removeHeader(name)`
 
-* `name` String - Specify an extra header name.
+* `name` string - Specify an extra header name.
 
 Removes a previously set extra header name. This method can be called only
 before first write. Trying to call it after the first write will throw an error.
 
 #### `request.write(chunk[, encoding][, callback])`
 
-* `chunk` (String | Buffer) - A chunk of the request body's data. If it is a
+* `chunk` (string | Buffer) - A chunk of the request body's data. If it is a
 string, it is converted into a Buffer using the specified encoding.
-* `encoding` String (optional) - Used to convert string chunks into Buffer
+* `encoding` string (optional) - Used to convert string chunks into Buffer
 objects. Defaults to 'utf-8'.
 * `callback` Function (optional) - Called after the write operation ends.
 
@@ -201,8 +230,8 @@ it is not allowed to add or remove a custom header.
 
 #### `request.end([chunk][, encoding][, callback])`
 
-* `chunk` (String | Buffer) (optional)
-* `encoding` String (optional)
+* `chunk` (string | Buffer) (optional)
+* `encoding` string (optional)
 * `callback` Function (optional)
 
 Sends the last chunk of the request data. Subsequent write or end operations
@@ -224,9 +253,9 @@ event.
 
 Returns `Object`:
 
-* `active` Boolean - Whether the request is currently active. If this is false
+* `active` boolean - Whether the request is currently active. If this is false
 no other properties will be set
-* `started` Boolean - Whether the upload has started. If this is false both
+* `started` boolean - Whether the upload has started. If this is false both
 `current` and `total` will be set to 0.
 * `current` Integer - The number of bytes that have been uploaded so far
 * `total` Integer - The number of bytes that will be uploaded this request

docs/api/clipboard.md

@@ -10,7 +10,7 @@ you need to pass `selection` to each method:
 ```javascript
 const { clipboard } = require('electron')
 
-clipboard.writeText('Example String', 'selection')
+clipboard.writeText('Example string', 'selection')
 console.log(clipboard.readText('selection'))
 ```
 
@@ -22,9 +22,9 @@ The `clipboard` module has the following methods:
 
 ### `clipboard.readText([type])`
 
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
-Returns `String` - The content in the clipboard as plain text.
+Returns `string` - The content in the clipboard as plain text.
 
 ```js
 const { clipboard } = require('electron')
@@ -38,8 +38,8 @@ console.log(text)
 
 ### `clipboard.writeText(text[, type])`
 
-* `text` String
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `text` string
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
 Writes the `text` into the clipboard as plain text.
 
@@ -52,9 +52,9 @@ clipboard.writeText(text)
 
 ### `clipboard.readHTML([type])`
 
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
-Returns `String` - The content in the clipboard as markup.
+Returns `string` - The content in the clipboard as markup.
 
 ```js
 const { clipboard } = require('electron')
@@ -68,35 +68,35 @@ console.log(html)
 
 ### `clipboard.writeHTML(markup[, type])`
 
-* `markup` String
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `markup` string
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
 Writes `markup` to the clipboard.
 
 ```js
 const { clipboard } = require('electron')
 
-clipboard.writeHTML('<b>Hi</b')
+clipboard.writeHTML('<b>Hi</b>')
 ```
 
 ### `clipboard.readImage([type])`
 
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
 Returns [`NativeImage`](native-image.md) - The image content in the clipboard.
 
 ### `clipboard.writeImage(image[, type])`
 
 * `image` [NativeImage](native-image.md)
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
 Writes `image` to the clipboard.
 
 ### `clipboard.readRTF([type])`
 
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
-Returns `String` - The content in the clipboard as RTF.
+Returns `string` - The content in the clipboard as RTF.
 
 ```js
 const { clipboard } = require('electron')
@@ -110,8 +110,8 @@ console.log(rtf)
 
 ### `clipboard.writeRTF(text[, type])`
 
-* `text` String
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `text` string
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
 Writes the `text` into the clipboard in RTF.
 
@@ -126,20 +126,20 @@ clipboard.writeRTF(rtf)
 
 Returns `Object`:
 
-* `title` String
-* `url` String
+* `title` string
+* `url` string
 
 Returns an Object containing `title` and `url` keys representing the bookmark in
 the clipboard. The `title` and `url` values will be empty strings when the
-bookmark is unavailable.
+bookmark is unavailable.  The `title` value will always be empty on Windows.
 
 ### `clipboard.writeBookmark(title, url[, type])` _macOS_ _Windows_
 
-* `title` String
-* `url` String
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `title` string - Unused on Windows
+* `url` string
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
-Writes the `title` and `url` into the clipboard as a bookmark.
+Writes the `title` (macOS only) and `url` into the clipboard as a bookmark.
 
 **Note:** Most apps on Windows don't support pasting bookmarks into them so
 you can use `clipboard.write` to write both a bookmark and fallback text to the
@@ -156,28 +156,28 @@ clipboard.writeBookmark({
 
 ### `clipboard.readFindText()` _macOS_
 
-Returns `String` - The text on the find pasteboard, which is the pasteboard that holds information about the current state of the active application’s find panel.
+Returns `string` - The text on the find pasteboard, which is the pasteboard that holds information about the current state of the active application’s find panel.
 
 This method uses synchronous IPC when called from the renderer process.
 The cached value is reread from the find pasteboard whenever the application is activated.
 
 ### `clipboard.writeFindText(text)` _macOS_
 
-* `text` String
+* `text` string
 
 Writes the `text` into the find pasteboard (the pasteboard that holds information about the current state of the active application’s find panel) as plain text. This method uses synchronous IPC when called from the renderer process.
 
 ### `clipboard.clear([type])`
 
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
 Clears the clipboard content.
 
 ### `clipboard.availableFormats([type])`
 
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
-Returns `String[]` - An array of supported formats for the clipboard `type`.
+Returns `string[]` - An array of supported formats for the clipboard `type`.
 
 ```js
 const { clipboard } = require('electron')
@@ -189,28 +189,32 @@ console.log(formats)
 
 ### `clipboard.has(format[, type])` _Experimental_
 
-* `format` String
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `format` string
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
-Returns `Boolean` - Whether the clipboard supports the specified `format`.
+Returns `boolean` - Whether the clipboard supports the specified `format`.
 
 ```js
 const { clipboard } = require('electron')
 
-const hasFormat = clipboard.has('<p>selection</p>')
+const hasFormat = clipboard.has('public/utf8-plain-text')
 console.log(hasFormat)
-// 'true' or 'false
+// 'true' or 'false'
 ```
 
 ### `clipboard.read(format)` _Experimental_
 
-* `format` String
+* `format` string
 
-Returns `String` - Reads `format` type from the clipboard.
+Returns `string` - Reads `format` type from the clipboard.
+
+`format` should contain valid ASCII characters and have `/` separator.
+`a/c`, `a/bc` are valid formats while `/abc`, `abc/`, `a/`, `/a`, `a`
+are not valid.
 
 ### `clipboard.readBuffer(format)` _Experimental_
 
-* `format` String
+* `format` string
 
 Returns `Buffer` - Reads `format` type from the clipboard.
 
@@ -218,9 +222,9 @@ Returns `Buffer` - Reads `format` type from the clipboard.
 const { clipboard } = require('electron')
 
 const buffer = Buffer.from('this is binary', 'utf8')
-clipboard.writeBuffer('public.utf8-plain-text', buffer)
+clipboard.writeBuffer('public/utf8-plain-text', buffer)
 
-const ret = clipboard.readBuffer('public.utf8-plain-text')
+const ret = clipboard.readBuffer('public/utf8-plain-text')
 
 console.log(buffer.equals(out))
 // true
@@ -228,9 +232,9 @@ console.log(buffer.equals(out))
 
 ### `clipboard.writeBuffer(format, buffer[, type])` _Experimental_
 
-* `format` String
+* `format` string
 * `buffer` Buffer
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
 Writes the `buffer` into the clipboard as `format`.
 
@@ -238,18 +242,18 @@ Writes the `buffer` into the clipboard as `format`.
 const { clipboard } = require('electron')
 
 const buffer = Buffer.from('writeBuffer', 'utf8')
-clipboard.writeBuffer('public.utf8-plain-text', buffer)
+clipboard.writeBuffer('public/utf8-plain-text', buffer)
 ```
 
 ### `clipboard.write(data[, type])`
 
 * `data` Object
-  * `text` String (optional)
-  * `html` String (optional)
+  * `text` string (optional)
+  * `html` string (optional)
   * `image` [NativeImage](native-image.md) (optional)
-  * `rtf` String (optional)
-  * `bookmark` String (optional) - The title of the URL at `text`.
-* `type` String (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
+  * `rtf` string (optional)
+  * `bookmark` string (optional) - The title of the URL at `text`.
+* `type` string (optional) - Can be `selection` or `clipboard`; default is 'clipboard'. `selection` is only available on Linux.
 
 Writes `data` to the clipboard.
 

docs/api/command-line-switches.md

@@ -16,80 +16,75 @@ app.whenReady().then(() => {
 })
 ```
 
-## --ignore-connections-limit=`domains`
+## Electron CLI Flags
 
-Ignore the connections limit for `domains` list separated by `,`.
+### --auth-server-whitelist=`url`
 
-## --disable-http-cache
-
-Disables the disk cache for HTTP requests.
-
-## --disable-http2
-
-Disable HTTP/2 and SPDY/3.1 protocols.
-
-## --lang
-
-Set a custom locale.
-
-## --inspect=`port` and --inspect-brk=`port`
-
-Debug-related flags, see the [Debugging the Main Process][debugging-main-process] guide for details.
-
-## --remote-debugging-port=`port`
-
-Enables remote debugging over HTTP on the specified `port`.
-
-## --disk-cache-size=`size`
-
-Forces the maximum disk space to be used by the disk cache, in bytes.
-
-## --js-flags=`flags`
-
-Specifies the flags passed to the Node.js engine. It has to be passed when starting
-Electron if you want to enable the `flags` in the main process.
-
-```sh
-$ electron --js-flags="--harmony_proxies --harmony_collections" your-app
-```
-
-See the [Node.js documentation][node-cli] or run `node --help` in your terminal for a list of available flags. Additionally, run `node --v8-options` to see a list of flags that specifically refer to Node.js's V8 JavaScript engine.
-
-## --proxy-server=`address:port`
-
-Use a specified proxy server, which overrides the system setting. This switch
-only affects requests with HTTP protocol, including HTTPS and WebSocket
-requests. It is also noteworthy that not all proxy servers support HTTPS and
-WebSocket requests. The proxy URL does not support username and password
-authentication [per Chromium issue](https://bugs.chromium.org/p/chromium/issues/detail?id=615947).
-
-## --proxy-bypass-list=`hosts`
-
-Instructs Electron to bypass the proxy server for the given semi-colon-separated
-list of hosts. This flag has an effect only if used in tandem with
-`--proxy-server`.
+A comma-separated list of servers for which integrated authentication is enabled.
 
 For example:
 
-```javascript
-const { app } = require('electron')
-app.commandLine.appendSwitch('proxy-bypass-list', '<local>;*.google.com;*foo.com;1.2.3.4:5678')
+```sh
+--auth-server-whitelist='*example.com, *foobar.com, *baz'
 ```
 
-Will use the proxy server for all hosts except for local addresses (`localhost`,
-`127.0.0.1` etc.), `google.com` subdomains, hosts that contain the suffix
-`foo.com` and anything at `1.2.3.4:5678`.
+then any `url` ending with `example.com`, `foobar.com`, `baz` will be considered
+for integrated authentication. Without `*` prefix the URL has to match exactly.
 
-## --proxy-pac-url=`url`
+### --auth-negotiate-delegate-whitelist=`url`
 
-Uses the PAC script at the specified `url`.
+A comma-separated list of servers for which delegation of user credentials is required.
+Without `*` prefix the URL has to match exactly.
 
-## --no-proxy-server
+### --disable-ntlm-v2
 
-Don't use a proxy server and always make direct connections. Overrides any other
-proxy server flags that are passed.
+Disables NTLM v2 for posix platforms, no effect elsewhere.
 
-## --host-rules=`rules`
+### --disable-http-cache
+
+Disables the disk cache for HTTP requests.
+
+### --disable-http2
+
+Disable HTTP/2 and SPDY/3.1 protocols.
+
+### --disable-renderer-backgrounding
+
+Prevents Chromium from lowering the priority of invisible pages' renderer
+processes.
+
+This flag is global to all renderer processes, if you only want to disable
+throttling in one window, you can take the hack of
+[playing silent audio][play-silent-audio].
+
+### --disk-cache-size=`size`
+
+Forces the maximum disk space to be used by the disk cache, in bytes.
+
+### --enable-logging[=file]
+
+Prints Chromium's logging to stderr (or a log file).
+
+The `ELECTRON_ENABLE_LOGGING` environment variable has the same effect as
+passing `--enable-logging`.
+
+Passing `--enable-logging` will result in logs being printed on stderr.
+Passing `--enable-logging=file` will result in logs being saved to the file
+specified by `--log-file=...`, or to `electron_debug.log` in the user-data
+directory if `--log-file` is not specified.
+
+> **Note:** On Windows, logs from child processes cannot be sent to stderr.
+> Logging to a file is the most reliable way to collect logs on Windows.
+
+See also `--log-file`, `--log-level`, `--v`, and `--vmodule`.
+
+### --force-fieldtrials=`trials`
+
+Field trials to be forcefully enabled or disabled.
+
+For example: `WebRTC-Audio-Red-For-Opus/Enabled/`
+
+### --host-rules=`rules`
 
 A comma-separated list of `rules` that control how hostnames are mapped.
 
@@ -107,69 +102,118 @@ These mappings apply to the endpoint host in a net request (the TCP connect
 and host resolver in a direct connection, and the `CONNECT` in an HTTP proxy
 connection, and the endpoint host in a `SOCKS` proxy connection).
 
-## --host-resolver-rules=`rules`
+### --host-resolver-rules=`rules`
 
 Like `--host-rules` but these `rules` only apply to the host resolver.
 
-## --auth-server-whitelist=`url`
-
-A comma-separated list of servers for which integrated authentication is enabled.
-
-For example:
-
-```sh
---auth-server-whitelist='*example.com, *foobar.com, *baz'
-```
-
-then any `url` ending with `example.com`, `foobar.com`, `baz` will be considered
-for integrated authentication. Without `*` prefix the URL has to match exactly.
-
-## --auth-negotiate-delegate-whitelist=`url`
-
-A comma-separated list of servers for which delegation of user credentials is required.
-Without `*` prefix the URL has to match exactly.
-
-## --ignore-certificate-errors
+### --ignore-certificate-errors
 
 Ignores certificate related errors.
 
-## --ppapi-flash-path=`path`
+### --ignore-connections-limit=`domains`
 
-Sets the `path` of the pepper flash plugin.
+Ignore the connections limit for `domains` list separated by `,`.
 
-## --ppapi-flash-version=`version`
+### --js-flags=`flags`
 
-Sets the `version` of the pepper flash plugin.
+Specifies the flags passed to the Node.js engine. It has to be passed when starting
+Electron if you want to enable the `flags` in the main process.
 
-## --log-net-log=`path`
+```sh
+$ electron --js-flags="--harmony_proxies --harmony_collections" your-app
+```
+
+See the [Node.js documentation][node-cli] or run `node --help` in your terminal for a list of available flags. Additionally, run `node --v8-options` to see a list of flags that specifically refer to Node.js's V8 JavaScript engine.
+
+### --lang
+
+Set a custom locale.
+
+### --log-file=`path`
+
+If `--enable-logging` is specified, logs will be written to the given path. The
+parent directory must exist.
+
+Setting the `ELECTRON_LOG_FILE` environment variable is equivalent to passing
+this flag. If both are present, the command-line switch takes precedence.
+
+### --log-net-log=`path`
 
 Enables net log events to be saved and writes them to `path`.
 
-## --disable-renderer-backgrounding
+### --log-level=`N`
 
-Prevents Chromium from lowering the priority of invisible pages' renderer
-processes.
+Sets the verbosity of logging when used together with `--enable-logging`.
+`N` should be one of [Chrome's LogSeverities][severities].
 
-This flag is global to all renderer processes, if you only want to disable
-throttling in one window, you can take the hack of
-[playing silent audio][play-silent-audio].
+Note that two complimentary logging mechanisms in Chromium -- `LOG()`
+and `VLOG()` -- are controlled by different switches. `--log-level`
+controls `LOG()` messages, while `--v` and `--vmodule` control `VLOG()`
+messages. So you may want to use a combination of these three switches
+depending on the granularity you want and what logging calls are made
+by the code you're trying to watch.
 
-## --enable-logging
+See [Chromium Logging source][logging] for more information on how
+`LOG()` and `VLOG()` interact. Loosely speaking, `VLOG()` can be thought
+of as sub-levels / per-module levels inside `LOG(INFO)` to control the
+firehose of `LOG(INFO)` data.
 
-Prints Chromium's logging into console.
+See also `--enable-logging`, `--log-level`, `--v`, and `--vmodule`.
 
-This switch can not be used in `app.commandLine.appendSwitch` since it is parsed
-earlier than user's app is loaded, but you can set the `ELECTRON_ENABLE_LOGGING`
-environment variable to achieve the same effect.
+### --no-proxy-server
 
-## --v=`log_level`
+Don't use a proxy server and always make direct connections. Overrides any other
+proxy server flags that are passed.
+
+### --no-sandbox
+
+Disables the Chromium [sandbox](https://www.chromium.org/developers/design-documents/sandbox).
+Forces renderer process and Chromium helper processes to run un-sandboxed.
+Should only be used for testing.
+
+### --proxy-bypass-list=`hosts`
+
+Instructs Electron to bypass the proxy server for the given semi-colon-separated
+list of hosts. This flag has an effect only if used in tandem with
+`--proxy-server`.
+
+For example:
+
+```javascript
+const { app } = require('electron')
+app.commandLine.appendSwitch('proxy-bypass-list', '<local>;*.google.com;*foo.com;1.2.3.4:5678')
+```
+
+Will use the proxy server for all hosts except for local addresses (`localhost`,
+`127.0.0.1` etc.), `google.com` subdomains, hosts that contain the suffix
+`foo.com` and anything at `1.2.3.4:5678`.
+
+### --proxy-pac-url=`url`
+
+Uses the PAC script at the specified `url`.
+
+### --proxy-server=`address:port`
+
+Use a specified proxy server, which overrides the system setting. This switch
+only affects requests with HTTP protocol, including HTTPS and WebSocket
+requests. It is also noteworthy that not all proxy servers support HTTPS and
+WebSocket requests. The proxy URL does not support username and password
+authentication [per Chromium issue](https://bugs.chromium.org/p/chromium/issues/detail?id=615947).
+
+### --remote-debugging-port=`port`
+
+Enables remote debugging over HTTP on the specified `port`.
+
+### --v=`log_level`
 
 Gives the default maximal active V-logging level; 0 is the default. Normally
 positive values are used for V-logging levels.
 
 This switch only works when `--enable-logging` is also passed.
 
-## --vmodule=`pattern`
+See also `--enable-logging`, `--log-level`, and `--vmodule`.
+
+### --vmodule=`pattern`
 
 Gives the per-module maximal V-logging levels to override the value given by
 `--v`. E.g. `my_module=2,foo*=3` would change the logging level for all code in
@@ -181,24 +225,57 @@ logging level for all code in the source files under a `foo/bar` directory.
 
 This switch only works when `--enable-logging` is also passed.
 
-## --enable-api-filtering-logging
+See also `--enable-logging`, `--log-level`, and `--v`.
 
-Enables caller stack logging for the following APIs (filtering events):
-- `desktopCapturer.getSources()` / `desktop-capturer-get-sources`
-- `remote.require()` / `remote-require`
-- `remote.getGlobal()` / `remote-get-builtin`
-- `remote.getBuiltin()` / `remote-get-global`
-- `remote.getCurrentWindow()` / `remote-get-current-window`
-- `remote.getCurrentWebContents()` / `remote-get-current-web-contents`
+### --force_high_performance_gpu
 
-## --no-sandbox
+Force using discrete GPU when there are multiple GPUs available.
 
-Disables Chromium sandbox, which is now enabled by default.
-Should only be used for testing.
+### --force_low_power_gpu
+
+Force using integrated GPU when there are multiple GPUs available.
+
+## Node.js Flags
+
+Electron supports some of the [CLI flags][node-cli] supported by Node.js.
+
+**Note:** Passing unsupported command line switches to Electron when it is not running in `ELECTRON_RUN_AS_NODE` will have no effect.
+
+### --inspect-brk[=[host:]port]
+
+Activate inspector on host:port and break at start of user script. Default host:port is 127.0.0.1:9229.
+
+Aliased to `--debug-brk=[host:]port`.
+
+### --inspect-port=[host:]port
+
+Set the `host:port` to be used when the inspector is activated. Useful when activating the inspector by sending the SIGUSR1 signal. Default host is `127.0.0.1`.
+
+Aliased to `--debug-port=[host:]port`.
+
+### --inspect[=[host:]port]
+
+Activate inspector on `host:port`. Default is `127.0.0.1:9229`.
+
+V8 inspector integration allows tools such as Chrome DevTools and IDEs to debug and profile Electron instances. The tools attach to Electron instances via a TCP port and communicate using the [Chrome DevTools Protocol](https://chromedevtools.github.io/devtools-protocol/).
+
+See the [Debugging the Main Process][debugging-main-process] guide for more details.
+
+Aliased to `--debug[=[host:]port`.
+
+### --inspect-publish-uid=stderr,http
+
+Specify ways of the inspector web socket url exposure.
+
+By default inspector websocket url is available in stderr and under /json/list endpoint on http://host:port/json/list.
 
 [app]: app.md
-[append-switch]: app.md#appcommandlineappendswitchswitch-value
+[append-switch]: command-line.md#commandlineappendswitchswitch-value
 [ready]: app.md#event-ready
 [play-silent-audio]: https://github.com/atom/atom/pull/9485/files
 [debugging-main-process]: ../tutorial/debugging-main-process.md
+[logging]: https://source.chromium.org/chromium/chromium/src/+/master:base/logging.h
 [node-cli]: https://nodejs.org/api/cli.html
+[play-silent-audio]: https://github.com/atom/atom/pull/9485/files
+[ready]: app.md#event-ready
+[severities]: https://source.chromium.org/chromium/chromium/src/+/master:base/logging.h?q=logging::LogSeverity&ss=chromium

docs/api/command-line.md

@@ -2,7 +2,8 @@
 
 > Manipulate the command line arguments for your app that Chromium reads
 
-Process: [Main](../glossary.md#main-process)
+Process: [Main](../glossary.md#main-process)<br />
+_This class is not exported from the `'electron'` module. It is only available as a return value of other methods in the Electron API._
 
 The following example shows how to check if the `--disable-gpu` flag is set.
 
@@ -19,8 +20,8 @@ document.
 
 #### `commandLine.appendSwitch(switch[, value])`
 
-* `switch` String - A command-line switch, without the leading `--`
-* `value` String (optional) - A value for the given switch
+* `switch` string - A command-line switch, without the leading `--`
+* `value` string (optional) - A value for the given switch
 
 Append a switch (with optional `value`) to Chromium's command line.
 
@@ -29,7 +30,7 @@ control Chromium's behavior.
 
 #### `commandLine.appendArgument(value)`
 
-* `value` String - The argument to append to the command line
+* `value` string - The argument to append to the command line
 
 Append an argument to Chromium's command line. The argument will be quoted
 correctly. Switches will precede arguments regardless of appending order.
@@ -41,14 +42,23 @@ control Chromium's behavior.
 
 #### `commandLine.hasSwitch(switch)`
 
-* `switch` String - A command-line switch
+* `switch` string - A command-line switch
 
-Returns `Boolean` - Whether the command-line switch is present.
+Returns `boolean` - Whether the command-line switch is present.
 
 #### `commandLine.getSwitchValue(switch)`
 
-* `switch` String - A command-line switch
+* `switch` string - A command-line switch
 
-Returns `String` - The command-line switch value.
+Returns `string` - The command-line switch value.
 
 **Note:** When the switch is not present or has no value, it returns empty string.
+
+#### `commandLine.removeSwitch(switch)`
+
+* `switch` string - A command-line switch
+
+Removes the specified switch from Chromium's command line.
+
+**Note:** This will not affect `process.argv`. The intended usage of this function is to
+control Chromium's behavior.

docs/api/content-tracing.md

@@ -16,7 +16,7 @@ const { app, contentTracing } = require('electron')
 app.whenReady().then(() => {
   (async () => {
     await contentTracing.startRecording({
-      include_categories: ['*']
+      included_categories: ['*']
     })
     console.log('Tracing started')
     await new Promise(resolve => setTimeout(resolve, 5000))
@@ -32,7 +32,7 @@ The `contentTracing` module has the following methods:
 
 ### `contentTracing.getCategories()`
 
-Returns `Promise<String[]>` - resolves with an array of category groups once all child processes have acknowledged the `getCategories` request
+Returns `Promise<string[]>` - resolves with an array of category groups once all child processes have acknowledged the `getCategories` request
 
 Get a set of category groups. The category groups can change as new code paths
 are reached. See also the [list of built-in tracing
@@ -57,9 +57,9 @@ only one trace operation can be in progress at a time.
 
 ### `contentTracing.stopRecording([resultFilePath])`
 
-* `resultFilePath` String (optional)
+* `resultFilePath` string (optional)
 
-Returns `Promise<String>` - resolves with a path to a file that contains the traced data once all child processes have acknowledged the `stopRecording` request
+Returns `Promise<string>` - resolves with a path to a file that contains the traced data once all child processes have acknowledged the `stopRecording` request
 
 Stop recording on all processes.
 
@@ -77,10 +77,10 @@ will be returned in the promise.
 
 Returns `Promise<Object>` - Resolves with an object containing the `value` and `percentage` of trace buffer maximum usage
 
-* `value` Number
-* `percentage` Number
+* `value` number
+* `percentage` number
 
 Get the maximum usage across processes of trace buffer as a percentage of the
 full state.
 
-[trace viewer]: https://github.com/catapult-project/catapult/blob/master/tracing
+[trace viewer]: https://chromium.googlesource.com/catapult/+/HEAD/tracing/README.md

docs/api/context-bridge.md

@@ -33,7 +33,7 @@ page you load in your renderer executes code in this world.
 
 ### Isolated World
 
-When `contextIsolation` is enabled in your `webPreferences`, your `preload` scripts run in an
+When `contextIsolation` is enabled in your `webPreferences` (this is the default behavior since Electron 12.0.0), your `preload` scripts run in an
 "Isolated World".  You can read more about context isolation and what it affects in the
 [security](../tutorial/security.md#3-enable-context-isolation-for-remote-content) docs.
 
@@ -41,22 +41,22 @@ When `contextIsolation` is enabled in your `webPreferences`, your `preload` scri
 
 The `contextBridge` module has the following methods:
 
-### `contextBridge.exposeInMainWorld(apiKey, api)` _Experimental_
+### `contextBridge.exposeInMainWorld(apiKey, api)`
 
-* `apiKey` String - The key to inject the API onto `window` with.  The API will be accessible on `window[apiKey]`.
-* `api` Record<String, any> - Your API object, more information on what this API can be and how it works is available below.
+* `apiKey` string - The key to inject the API onto `window` with.  The API will be accessible on `window[apiKey]`.
+* `api` any - Your API, more information on what this API can be and how it works is available below.
 
 ## Usage
 
-### API Objects
+### API
 
-The `api` object provided to [`exposeInMainWorld`](#contextbridgeexposeinmainworldapikey-api-experimental) must be an object
-whose keys are strings and values are a `Function`, `String`, `Number`, `Array`, `Boolean`, or another nested object that meets the same conditions.
+The `api` provided to [`exposeInMainWorld`](#contextbridgeexposeinmainworldapikey-api) must be a `Function`, `string`, `number`, `Array`, `boolean`, or an object
+whose keys are strings and values are a `Function`, `string`, `number`, `Array`, `boolean`, or another nested object that meets the same conditions.
 
 `Function` values are proxied to the other context and all other values are **copied** and **frozen**. Any data / primitives sent in
-the API object become immutable and updates on either side of the bridge do not result in an update on the other side.
+the API become immutable and updates on either side of the bridge do not result in an update on the other side.
 
-An example of a complex API object is shown below:
+An example of a complex API is shown below:
 
 ```javascript
 const { contextBridge } = require('electron')
@@ -97,16 +97,36 @@ has been included below for completeness:
 
 | Type | Complexity | Parameter Support | Return Value Support | Limitations |
 | ---- | ---------- | ----------------- | -------------------- | ----------- |
-| `String` | Simple | ✅ | ✅ | N/A |
-| `Number` | Simple | ✅ | ✅ | N/A |
-| `Boolean` | Simple | ✅ | ✅ | N/A |
+| `string` | Simple | ✅ | ✅ | N/A |
+| `number` | Simple | ✅ | ✅ | N/A |
+| `boolean` | Simple | ✅ | ✅ | N/A |
 | `Object` | Complex | ✅ | ✅ | Keys must be supported using only "Simple" types in this table.  Values must be supported in this table.  Prototype modifications are dropped.  Sending custom classes will copy values but not the prototype. |
 | `Array` | Complex | ✅ | ✅ | Same limitations as the `Object` type |
-| `Error` | Complex | ✅ | ✅ | Errors that are thrown are also copied, this can result in the message and stack trace of the error changing slightly due to being thrown in a different context |
-| `Promise` | Complex | ✅ | ✅ | Promises are only proxied if they are the return value or exact parameter.  Promises nested in arrays or objects will be dropped. |
+| `Error` | Complex | ✅ | ✅ | Errors that are thrown are also copied, this can result in the message and stack trace of the error changing slightly due to being thrown in a different context, and any custom properties on the Error object [will be lost](https://github.com/electron/electron/issues/25596) |
+| `Promise` | Complex | ✅ | ✅ | N/A
 | `Function` | Complex | ✅ | ✅ | Prototype modifications are dropped.  Sending classes or constructors will not work. |
 | [Cloneable Types](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm) | Simple | ✅ | ✅ | See the linked document on cloneable types |
+| `Element` | Complex | ✅ | ✅ | Prototype modifications are dropped.  Sending custom elements will not work. |
+| `Blob` | Complex | ✅ | ✅ | N/A |
 | `Symbol` | N/A | ❌ | ❌ | Symbols cannot be copied across contexts so they are dropped |
 
-
 If the type you care about is not in the above table, it is probably not supported.
+
+### Exposing Node Global Symbols
+
+The `contextBridge` can be used by the preload script to give your renderer access to Node APIs.
+The table of supported types described above also applies to Node APIs that you expose through `contextBridge`.
+Please note that many Node APIs grant access to local system resources.
+Be very cautious about which globals and APIs you expose to untrusted remote content.
+
+```javascript
+const { contextBridge } = require('electron')
+const crypto = require('crypto')
+contextBridge.exposeInMainWorld('nodeCrypto', {
+  sha256sum (data) {
+    const hash = crypto.createHash('sha256')
+    hash.update(data)
+    return hash.digest('hex')
+  }
+})
+```

docs/api/cookies.md

@@ -2,7 +2,8 @@
 
 > Query and modify a session's cookies.
 
-Process: [Main](../glossary.md#main-process)
+Process: [Main](../glossary.md#main-process)<br />
+_This class is not exported from the `'electron'` module. It is only available as a return value of other methods in the Electron API._
 
 Instances of the `Cookies` class are accessed by using `cookies` property of
 a `Session`.
@@ -45,9 +46,11 @@ The following events are available on instances of `Cookies`:
 
 #### Event: 'changed'
 
+Returns:
+
 * `event` Event
 * `cookie` [Cookie](structures/cookie.md) - The cookie that was changed.
-* `cause` String - The cause of the change with one of the following values:
+* `cause` string - The cause of the change with one of the following values:
   * `explicit` - The cookie was changed directly by a consumer's action.
   * `overwrite` - The cookie was automatically removed due to an insert
     operation that overwrote it.
@@ -55,7 +58,7 @@ The following events are available on instances of `Cookies`:
   * `evicted` - The cookie was automatically evicted during garbage collection.
   * `expired-overwrite` - The cookie was overwritten with an already-expired
     expiration date.
-* `removed` Boolean - `true` if the cookie was removed, `false` otherwise.
+* `removed` boolean - `true` if the cookie was removed, `false` otherwise.
 
 Emitted when a cookie is changed because it was added, edited, removed, or
 expired.
@@ -67,14 +70,14 @@ The following methods are available on instances of `Cookies`:
 #### `cookies.get(filter)`
 
 * `filter` Object
-  * `url` String (optional) - Retrieves cookies which are associated with
+  * `url` string (optional) - Retrieves cookies which are associated with
     `url`. Empty implies retrieving cookies of all URLs.
-  * `name` String (optional) - Filters cookies by name.
-  * `domain` String (optional) - Retrieves cookies whose domains match or are
+  * `name` string (optional) - Filters cookies by name.
+  * `domain` string (optional) - Retrieves cookies whose domains match or are
     subdomains of `domains`.
-  * `path` String (optional) - Retrieves cookies whose path matches `path`.
-  * `secure` Boolean (optional) - Filters cookies by their Secure property.
-  * `session` Boolean (optional) - Filters out session or persistent cookies.
+  * `path` string (optional) - Retrieves cookies whose path matches `path`.
+  * `secure` boolean (optional) - Filters cookies by their Secure property.
+  * `session` boolean (optional) - Filters out session or persistent cookies.
 
 Returns `Promise<Cookie[]>` - A promise which resolves an array of cookie objects.
 
@@ -84,18 +87,19 @@ the response.
 #### `cookies.set(details)`
 
 * `details` Object
-  * `url` String - The URL to associate the cookie with. The promise will be rejected if the URL is invalid.
-  * `name` String (optional) - The name of the cookie. Empty by default if omitted.
-  * `value` String (optional) - The value of the cookie. Empty by default if omitted.
-  * `domain` String (optional) - The domain of the cookie; this will be normalized with a preceding dot so that it's also valid for subdomains. Empty by default if omitted.
-  * `path` String (optional) - The path of the cookie. Empty by default if omitted.
-  * `secure` Boolean (optional) - Whether the cookie should be marked as Secure. Defaults to
-    false.
-  * `httpOnly` Boolean (optional) - Whether the cookie should be marked as HTTP only.
+  * `url` string - The URL to associate the cookie with. The promise will be rejected if the URL is invalid.
+  * `name` string (optional) - The name of the cookie. Empty by default if omitted.
+  * `value` string (optional) - The value of the cookie. Empty by default if omitted.
+  * `domain` string (optional) - The domain of the cookie; this will be normalized with a preceding dot so that it's also valid for subdomains. Empty by default if omitted.
+  * `path` string (optional) - The path of the cookie. Empty by default if omitted.
+  * `secure` boolean (optional) - Whether the cookie should be marked as Secure. Defaults to
+    false unless [Same Site=None](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite#samesitenone_requires_secure) attribute is used.
+  * `httpOnly` boolean (optional) - Whether the cookie should be marked as HTTP only.
     Defaults to false.
   * `expirationDate` Double (optional) - The expiration date of the cookie as the number of
     seconds since the UNIX epoch. If omitted then the cookie becomes a session
     cookie and will not be retained between sessions.
+  * `sameSite` string (optional) - The [Same Site](https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies#SameSite_cookies) policy to apply to this cookie.  Can be `unspecified`, `no_restriction`, `lax` or `strict`.  Default is `lax`.
 
 Returns `Promise<void>` - A promise which resolves when the cookie has been set
 
@@ -103,8 +107,8 @@ Sets a cookie with `details`.
 
 #### `cookies.remove(url, name)`
 
-* `url` String - The URL associated with the cookie.
-* `name` String - The name of cookie to remove.
+* `url` string - The URL associated with the cookie.
+* `name` string - The name of cookie to remove.
 
 Returns `Promise<void>` - A promise which resolves when the cookie has been removed