Bump v6.0.2

* fix: don't handle browser messages before document element is created

* fix: bind ElectronApiServiceImpl later

DidCreateDocumentElement is called before the ElectronApiServiceImpl
gets bound.

* chore: add comment

.circleci/config.yml

@@ -22,12 +22,12 @@ machine-linux-2xlarge: &machine-linux-2xlarge
 
 machine-mac: &machine-mac
   macos:
-    xcode: "8.3.3"
+    xcode: "9.4.1"
 
 machine-mac-large: &machine-mac-large
   resource_class: large
   macos:
-    xcode: "8.3.3"
+    xcode: "9.4.1"
 
 # Build configurations options.
 env-debug-build: &env-debug-build
@@ -91,19 +91,13 @@ env-linux-medium: &env-linux-medium
   NUMBER_OF_NINJA_PROCESSES: 3
 
 env-linux-2xlarge: &env-linux-2xlarge
-  NUMBER_OF_NINJA_PROCESSES: 34
-  
-env-linux-2xlarge-release: &env-linux-2xlarge-release
-  NUMBER_OF_NINJA_PROCESSES: 16
+  NUMBER_OF_NINJA_PROCESSES: 18
 
 env-machine-mac: &env-machine-mac
   NUMBER_OF_NINJA_PROCESSES: 6
 
 env-mac-large: &env-mac-large
-  NUMBER_OF_NINJA_PROCESSES: 18
-
-env-mac-large-release: &env-mac-large-release
-  NUMBER_OF_NINJA_PROCESSES: 8
+  NUMBER_OF_NINJA_PROCESSES: 10
 
 env-disable-crash-reporter-tests: &env-disable-crash-reporter-tests
   DISABLE_CRASH_REPORTER_TESTS: true
@@ -171,7 +165,7 @@ step-setup-env-for-build: &step-setup-env-for-build
         echo 'export SCCACHE_PATH="'"$SCCACHE_PATH"'"' >> $BASH_ENV
         if [ "$CIRCLE_PR_NUMBER" != "" ]; then
           #if building a fork set readonly access to sccache
-          echo 'export SCCACHE_BUCKET="electronjs-sccache-ci"' >> $BASH_ENV
+          echo 'export SCCACHE_BUCKET="electronjs-sccache"' >> $BASH_ENV
           echo 'export SCCACHE_TWO_TIER=true' >> $BASH_ENV
         fi
       fi
@@ -183,28 +177,33 @@ step-restore-brew-cache: &step-restore-brew-cache
     keys:
       - v1-brew-cache-{{ arch }}
 
-step-install-nodejs-on-mac: &step-install-nodejs-on-mac
+step-get-more-space-on-mac: &step-get-more-space-on-mac
   run:
-    name: Install Node.js 10 on MacOS
+    name: Free up space on MacOS
     command: |
       if [ "`uname`" == "Darwin" ]; then
-        set +e
-        brew update
-        brew install node@10
-        echo 'export PATH="/usr/local/opt/node@10/bin:$PATH"' >> $BASH_ENV
+        sudo rm -rf /Library/Developer/CoreSimulator
       fi
 
-# On macOS the npm install command during gclient sync was run on a linux
+step-delete-git-directories: &step-delete-git-directories
+  run:
+    name: Delete src/.git directory on MacOS to free space
+    command: |
+      if [ "`uname`" == "Darwin" ]; then
+        sudo rm -rf src/.git
+      fi
+
+# On macOS the yarn install command during gclient sync was run on a linux
 # machine and therefore installed a slightly different set of dependencies
-# Notably "fsevents" is a macOS only dependency, we rerun npm install once
+# Notably "fsevents" is a macOS only dependency, we rerun yarn install once
 # we are on a macOS machine to get the correct state
 step-install-npm-deps-on-mac: &step-install-npm-deps-on-mac
   run:
-    name: Install NPM Dependencies on MacOS
+    name: Install node_modules on MacOS
     command: |
       if [ "`uname`" == "Darwin" ]; then
         cd src/electron
-        npm install
+        node script/yarn install
       fi
 
 # This step handles the differences between the linux "gclient sync"
@@ -222,6 +221,15 @@ step-fix-sync-on-mac: &step-fix-sync-on-mac
         python src/electron/script/update-external-binaries.py
       fi
 
+step-install-signing-cert-on-mac: &step-install-signing-cert-on-mac
+  run:
+    name: Import and trust self-signed codesigning cert on MacOS
+    command: |
+      if [ "`uname`" == "Darwin" ]; then
+        cd src/electron
+        ./script/codesign/import-testing-cert-ci.sh
+      fi
+
 step-install-gnutar-on-mac: &step-install-gnutar-on-mac
   run:
     name: Install gnu-tar on macos
@@ -239,6 +247,16 @@ step-gn-gen-default: &step-gn-gen-default
       cd src
       gn gen out/Default --args='import("'$GN_CONFIG'") cc_wrapper="'"$SCCACHE_PATH"'"'" $GN_EXTRA_ARGS"
 
+step-gn-check: &step-gn-check
+  run:
+    name: GN check
+    command: |
+      cd src
+      gn check out/Default //electron:electron_lib
+      gn check out/Default //electron:electron_app
+      gn check out/Default //electron:manifests
+      gn check out/Default //electron/atom/common/api:mojo
+
 step-electron-build: &step-electron-build
   run:
     name: Electron build
@@ -449,44 +467,29 @@ step-maybe-zip-symbols: &step-maybe-zip-symbols
       export BUILD_PATH="$PWD/out/Default"
       electron/script/zip-symbols.py -b $BUILD_PATH
 
-step-maybe-native-mksnapshot-gn-gen: &step-maybe-native-mksnapshot-gn-gen
+step-maybe-cross-arch-snapshot: &step-maybe-cross-arch-snapshot
   run:
-    name: Native mksnapshot GN gen (arm/arm64)
+    name: Generate cross arch snapshot (arm/arm64)
     command: |
-      if [ "$BUILD_NATIVE_MKSNAPSHOT" == "1" ]; then
+      if [ "$TRIGGER_ARM_TEST" == "true" ] && [ -z "$CIRCLE_PR_NUMBER" ]; then
         cd src
-        gn gen out/native_mksnapshot --args='import("'$GN_CONFIG'") cc_wrapper="'"$SCCACHE_PATH"'" v8_snapshot_toolchain="'"$MKSNAPSHOT_TOOLCHAIN"'"'" $GN_EXTRA_ARGS v8_enable_embedded_builtins = false"
-      else
-        echo 'Skipping native mksnapshot GN gen for non arm build'
+        if [ "$TARGET_ARCH" == "arm" ]; then
+          export MKSNAPSHOT_PATH="clang_x86_v8_arm"
+        elif [ "$TARGET_ARCH" == "arm64" ]; then
+          export MKSNAPSHOT_PATH="clang_x64_v8_arm64"
+        fi
+        cp "out/Default/$MKSNAPSHOT_PATH/mksnapshot" out/Default
+        cp "out/Default/$MKSNAPSHOT_PATH/libffmpeg.so" out/Default
+        cp "out/Default/$MKSNAPSHOT_PATH/v8_context_snapshot_generator" out/Default
+        python electron/script/verify-mksnapshot.py --source-root "$PWD" --build-dir out/Default --create-snapshot-only
+        mkdir cross-arch-snapshots
+        cp out/Default-mksnapshot-test/*.bin cross-arch-snapshots
       fi
 
-step-maybe-native-mksnapshot-build: &step-maybe-native-mksnapshot-build
-  run:
-    name: Native mksnapshot build (arm/arm64)
-    no_output_timeout: 30m
-    command: |
-      if [ "$BUILD_NATIVE_MKSNAPSHOT" == "1" ]; then
-        cd src
-        ninja -C out/native_mksnapshot electron:electron_mksnapshot_zip -j $NUMBER_OF_NINJA_PROCESSES
-      else
-        echo 'Skipping native mksnapshot build for non arm build'
-      fi
-
-step-maybe-native-mksnapshot-strip: &step-maybe-native-mksnapshot-strip
-  run:
-    name: Native mksnapshot binary strip (arm/arm64)
-    command: |
-      if [ "$BUILD_NATIVE_MKSNAPSHOT" == "1" ]; then
-        cd src
-        electron/script/strip-binaries.py --file $PWD/out/native_mksnapshot/mksnapshot --target-cpu="$TARGET_ARCH"
-      else
-        echo 'Skipping native mksnapshot binary strip'
-      fi
-
-step-maybe-native-mksnapshot-store: &step-maybe-native-mksnapshot-store
+step-maybe-cross-arch-snapshot-store: &step-maybe-cross-arch-snapshot-store
   store_artifacts:
-    path: src/out/native_mksnapshot/mksnapshot.zip
-    destination: native_mksnapshot.zip
+    path: src/cross-arch-snapshots
+    destination: cross-arch-snapshots
 
 step-maybe-trigger-arm-test: &step-maybe-trigger-arm-test
   run:
@@ -506,7 +509,15 @@ step-maybe-generate-typescript-defs: &step-maybe-generate-typescript-defs
     command: |
       if [ "`uname`" == "Darwin" ]; then
         cd src/electron
-        npm run create-typescript-definitions
+        node script/yarn create-typescript-definitions
+      fi
+
+step-fix-known-hosts-linux: &step-fix-known-hosts-linux
+  run:
+    name: Fix Known Hosts on Linux
+    command: |
+      if [ "`uname`" == "Linux" ]; then
+        ./src/electron/.circleci/fix-known-hosts.sh
       fi
 
 # Lists of steps.
@@ -523,13 +534,15 @@ steps-lint: &steps-lint
         name: Download GN Binary
         command: |
           chromium_revision="$(grep -A1 chromium_version src/electron/DEPS | tr -d '\n' | cut -d\' -f4)"
-          buildtools_revision="$(curl -sL "https://chromium.googlesource.com/chromium/src/+/${chromium_revision}/DEPS?format=TEXT" | base64 -d | grep buildtools_revision -A1 | tr -d '\n' | cut -d\' -f4)"
+          gn_version="$(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 buildtools/linux64
+          gn/gn/linux-amd64 $gn_version
+          CIPD
 
-          git clone https://chromium.googlesource.com/chromium/buildtools "buildtools"
-          (cd "buildtools" && git checkout "$buildtools_revision")
           echo 'export CHROMIUM_BUILDTOOLS_PATH="'"$PWD"'/buildtools"' >> $BASH_ENV
-
-          download_from_google_storage --bucket chromium-gn -s "buildtools/linux64/gn.sha1"
     - run:
         name: Run Lint
         command: |
@@ -540,8 +553,8 @@ steps-lint: &steps-lint
           # but then we would lint its contents (at least gn format), and it doesn't pass it.
 
           cd src/electron
-          npm install
-          npm run lint
+          node script/yarn install
+          node script/yarn lint
 
 steps-checkout: &steps-checkout
   steps:
@@ -549,7 +562,7 @@ steps-checkout: &steps-checkout
     - *step-depot-tools-get
     - *step-depot-tools-add-to-path
     - *step-restore-brew-cache
-    - *step-install-nodejs-on-mac
+    - *step-get-more-space-on-mac
     - *step-install-gnutar-on-mac
 
     - restore_cache:
@@ -586,6 +599,15 @@ steps-checkout: &steps-checkout
           - depot_tools
           - src
 
+steps-electron-gn-check: &steps-electron-gn-check
+  steps:
+    - attach_workspace:
+        at: .
+    - *step-depot-tools-add-to-path
+    - *step-setup-env-for-build
+    - *step-gn-gen-default
+    - *step-gn-check
+
 steps-electron-build: &steps-electron-build
   steps:
     - attach_workspace:
@@ -612,7 +634,6 @@ steps-electron-build-for-tests: &steps-electron-build-for-tests
     - *step-depot-tools-add-to-path
     - *step-setup-env-for-build
     - *step-restore-brew-cache
-    - *step-install-nodejs-on-mac
     - *step-install-npm-deps-on-mac
     - *step-fix-sync-on-mac
     - *step-gn-gen-default
@@ -632,12 +653,8 @@ steps-electron-build-for-tests: &steps-electron-build-for-tests
     # mksnapshot
     - *step-mksnapshot-build
     - *step-mksnapshot-store
-
-    # native_mksnapshot
-    - *step-maybe-native-mksnapshot-gn-gen
-    - *step-maybe-native-mksnapshot-build
-    - *step-maybe-native-mksnapshot-strip
-    - *step-maybe-native-mksnapshot-store
+    - *step-maybe-cross-arch-snapshot
+    - *step-maybe-cross-arch-snapshot-store
 
     # ffmpeg
     - *step-ffmpeg-gn-gen
@@ -661,10 +678,11 @@ steps-electron-build-for-publish: &steps-electron-build-for-publish
     - *step-depot-tools-get
     - *step-depot-tools-add-to-path
     - *step-restore-brew-cache
-    - *step-install-nodejs-on-mac
+    - *step-get-more-space-on-mac
     - *step-gclient-sync
     - *step-setup-env-for-build
     - *step-gn-gen-default
+    - *step-delete-git-directories
 
     # Electron app
     - *step-electron-build
@@ -678,12 +696,6 @@ steps-electron-build-for-publish: &steps-electron-build-for-publish
     - *step-mksnapshot-build
     - *step-mksnapshot-store
 
-    # native_mksnapshot
-    - *step-maybe-native-mksnapshot-gn-gen
-    - *step-maybe-native-mksnapshot-build
-    - *step-maybe-native-mksnapshot-strip
-    - *step-maybe-native-mksnapshot-store
-
     # chromedriver
     - *step-electron-chromedriver-build
     - *step-electron-chromedriver-store
@@ -717,18 +729,6 @@ steps-chromedriver-build: &steps-chromedriver-build
 
     - *step-maybe-notify-slack-failure
 
-steps-native-mksnapshot-build: &steps-native-mksnapshot-build
-  steps:
-    - attach_workspace:
-        at: .
-    - *step-depot-tools-add-to-path
-    - *step-setup-env-for-build
-    - *step-maybe-native-mksnapshot-gn-gen
-    - *step-maybe-native-mksnapshot-build
-    - *step-maybe-native-mksnapshot-store
-
-    - *step-maybe-notify-slack-failure
-
 steps-native-tests: &steps-native-tests
   steps:
     - attach_workspace:
@@ -794,25 +794,30 @@ steps-tests: &steps-tests
     - *step-mksnapshot-unzip
     - *step-setup-linux-for-headless-testing
     - *step-restore-brew-cache
-    - *step-install-nodejs-on-mac
+    - *step-fix-known-hosts-linux
+    - *step-install-signing-cert-on-mac
 
     - run:
         name: Run Electron tests
         environment:
           MOCHA_REPORTER: mocha-multi-reporters
-          MOCHA_FILE: junit/test-results.xml
+          ELECTRON_TEST_RESULTS_DIR: junit
           MOCHA_MULTI_REPORTERS: mocha-junit-reporter, tap
           ELECTRON_DISABLE_SECURITY_WARNINGS: 1
         command: |
           cd src
           export ELECTRON_OUT_DIR=Default
-          (cd electron && npm run test -- --ci --enable-logging)
+          (cd electron && node script/yarn test -- --ci --enable-logging)
     - run:
         name: Check test results existence
         command: |
-          MOCHA_FILE='src/junit/test-results.xml'
-          # Check if it exists and not empty.
-          if [ ! -s "$MOCHA_FILE" ]; then
+          cd src
+
+          # Check if test results exist and are not empty.
+          if [ ! -s "junit/test-results-remote.xml" ]; then
+            exit 1
+          fi
+          if [ ! -s "junit/test-results-main.xml" ]; then
             exit 1
           fi
     - store_test_results:
@@ -873,6 +878,13 @@ jobs:
       <<: *env-enable-sccache
     <<: *steps-electron-build
 
+  linux-x64-debug-gn-check:
+    <<: *machine-linux-medium
+    environment:
+      <<: *env-linux-medium
+      <<: *env-debug-build
+    <<: *steps-electron-gn-check
+
   linux-x64-testing:
     <<: *machine-linux-2xlarge
     environment:
@@ -881,6 +893,13 @@ jobs:
       <<: *env-enable-sccache
     <<: *steps-electron-build-for-tests
 
+  linux-x64-testing-gn-check:
+    <<: *machine-linux-medium
+    environment:
+      <<: *env-linux-medium
+      <<: *env-testing-build
+    <<: *steps-electron-gn-check
+
   linux-x64-chromedriver:
     <<: *machine-linux-medium
     environment:
@@ -902,7 +921,7 @@ jobs:
   linux-x64-publish:
     <<: *machine-linux-2xlarge
     environment:
-      <<: *env-linux-2xlarge-release
+      <<: *env-linux-2xlarge
       GCLIENT_EXTRA_ARGS: '--custom-var=checkout_boto=True --custom-var=checkout_requests=True'
       <<: *env-release-build
     <<: *steps-electron-build-for-publish
@@ -948,7 +967,7 @@ jobs:
   linux-ia32-publish:
     <<: *machine-linux-2xlarge
     environment:
-      <<: *env-linux-2xlarge-release
+      <<: *env-linux-2xlarge
       GCLIENT_EXTRA_ARGS: '--custom-var=checkout_boto=True --custom-var=checkout_requests=True'
       <<: *env-ia32
       <<: *env-release-build
@@ -996,22 +1015,12 @@ jobs:
   linux-arm-publish:
     <<: *machine-linux-2xlarge
     environment:
-      <<: *env-linux-2xlarge-release
+      <<: *env-linux-2xlarge
       <<: *env-arm
       <<: *env-release-build
       GCLIENT_EXTRA_ARGS: '--custom-var=checkout_arm=True --custom-var=checkout_boto=True --custom-var=checkout_requests=True'
     <<: *steps-electron-build-for-publish
 
-  linux-arm-native-mksnapshot:
-    <<: *machine-linux-2xlarge
-    environment:
-      <<: *env-linux-medium
-      <<: *env-arm
-      <<: *env-release-build
-      <<: *env-enable-sccache
-      <<: *env-send-slack-notifications
-    <<: *steps-native-mksnapshot-build
-
   linux-arm64-debug:
     <<: *machine-linux-2xlarge
     environment:
@@ -1021,6 +1030,14 @@ jobs:
       <<: *env-enable-sccache
     <<: *steps-electron-build
 
+  linux-arm64-debug-gn-check:
+    <<: *machine-linux-medium
+    environment:
+      <<: *env-linux-medium
+      <<: *env-arm64
+      <<: *env-debug-build
+    <<: *steps-electron-gn-check
+
   linux-arm64-testing:
     <<: *machine-linux-2xlarge
     environment:
@@ -1031,6 +1048,14 @@ jobs:
       TRIGGER_ARM_TEST: true
     <<: *steps-electron-build-for-tests
 
+  linux-arm64-testing-gn-check:
+    <<: *machine-linux-medium
+    environment:
+      <<: *env-linux-medium
+      <<: *env-arm64
+      <<: *env-testing-build
+    <<: *steps-electron-gn-check
+
   linux-arm64-chromedriver:
     <<: *machine-linux-medium
     environment:
@@ -1054,22 +1079,12 @@ jobs:
   linux-arm64-publish:
     <<: *machine-linux-2xlarge
     environment:
-      <<: *env-linux-2xlarge-release
+      <<: *env-linux-2xlarge
       <<: *env-arm64
       <<: *env-release-build
       GCLIENT_EXTRA_ARGS: '--custom-var=checkout_arm64=True --custom-var=checkout_boto=True --custom-var=checkout_requests=True'
     <<: *steps-electron-build-for-publish
 
-  linux-arm64-native-mksnapshot:
-    <<: *machine-linux-2xlarge
-    environment:
-      <<: *env-linux-medium
-      <<: *env-arm64
-      <<: *env-release-build
-      <<: *env-enable-sccache
-      <<: *env-send-slack-notifications
-    <<: *steps-native-mksnapshot-build
-
   osx-testing:
     <<: *machine-mac-large
     environment:
@@ -1078,6 +1093,20 @@ jobs:
       <<: *env-enable-sccache
     <<: *steps-electron-build-for-tests
 
+  osx-debug-gn-check:
+    <<: *machine-mac
+    environment:
+      <<: *env-machine-mac
+      <<: *env-debug-build
+    <<: *steps-electron-gn-check
+
+  osx-testing-gn-check:
+    <<: *machine-mac
+    environment:
+      <<: *env-machine-mac
+      <<: *env-testing-build
+    <<: *steps-electron-gn-check
+
   osx-chromedriver:
     <<: *machine-mac
     environment:
@@ -1098,7 +1127,7 @@ jobs:
   osx-publish:
     <<: *machine-mac-large
     environment:
-      <<: *env-mac-large-release
+      <<: *env-mac-large
       <<: *env-release-build
       GCLIENT_EXTRA_ARGS: '--custom-var=checkout_boto=True --custom-var=checkout_requests=True'
     <<: *steps-electron-build-for-publish
@@ -1112,6 +1141,22 @@ jobs:
       <<: *env-enable-sccache
     <<: *steps-electron-build-for-tests
 
+  mas-debug-gn-check:
+    <<: *machine-mac
+    environment:
+      <<: *env-machine-mac
+      <<: *env-mas
+      <<: *env-debug-build
+    <<: *steps-electron-gn-check
+
+  mas-testing-gn-check:
+    <<: *machine-mac
+    environment:
+      <<: *env-machine-mac
+      <<: *env-mas
+      <<: *env-testing-build
+    <<: *steps-electron-gn-check
+
   mas-chromedriver:
     <<: *machine-mac
     environment:
@@ -1133,7 +1178,7 @@ jobs:
   mas-publish:
     <<: *machine-mac-large
     environment:
-      <<: *env-mac-large-release
+      <<: *env-mac-large
       <<: *env-mas
       <<: *env-release-build
       GCLIENT_EXTRA_ARGS: '--custom-var=checkout_boto=True --custom-var=checkout_requests=True'
@@ -1369,9 +1414,15 @@ workflows:
       - linux-x64-debug:
           requires:
             - linux-checkout
+      - linux-x64-debug-gn-check:
+          requires:
+            - linux-checkout
       - linux-x64-testing:
           requires:
             - linux-checkout
+      - linux-x64-testing-gn-check:
+          requires:
+            - linux-checkout
       - linux-x64-testing-tests:
           requires:
             - linux-x64-testing
@@ -1396,9 +1447,15 @@ workflows:
       - linux-arm64-debug:
           requires:
             - linux-checkout
+      - linux-arm64-debug-gn-check:
+          requires:
+            - linux-checkout
       - linux-arm64-testing:
           requires:
             - linux-checkout
+      - linux-arm64-testing-gn-check:
+          requires:
+            - linux-checkout
 
   build-mac:
     jobs:
@@ -1407,6 +1464,13 @@ workflows:
           requires:
             - mac-checkout
 
+      - osx-debug-gn-check:
+          requires:
+            - mac-checkout
+      - osx-testing-gn-check:
+          requires:
+            - mac-checkout
+
       - osx-testing-tests:
           requires:
             - osx-testing
@@ -1415,6 +1479,13 @@ workflows:
           requires:
             - mac-checkout
 
+      - mas-debug-gn-check:
+          requires:
+            - mac-checkout
+      - mas-testing-gn-check:
+          requires:
+            - mac-checkout
+
       - mas-testing-tests:
           requires:
             - mas-testing
@@ -1478,9 +1549,6 @@ workflows:
       - linux-arm-release:
           requires:
             - linux-checkout
-      - linux-arm-native-mksnapshot:
-          requires:
-            - linux-checkout
       - linux-arm-chromedriver:
           requires:
             - linux-checkout
@@ -1488,14 +1556,11 @@ workflows:
           requires:
             - linux-arm-release
             - linux-arm-chromedriver
-            - linux-arm-native-mksnapshot
+
 
       - linux-arm64-release:
           requires:
             - linux-checkout
-      - linux-arm64-native-mksnapshot:
-          requires:
-            - linux-checkout
       - linux-arm64-chromedriver:
           requires:
             - linux-checkout
@@ -1503,7 +1568,6 @@ workflows:
           requires:
             - linux-arm64-release
             - linux-arm64-chromedriver
-            - linux-arm64-native-mksnapshot
 
   nightly-mac-release-test:
     triggers:

.circleci/fix-known-hosts.sh

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

.eslintrc.json

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

.github/CODEOWNERS

@@ -4,24 +4,17 @@
 # https://git-scm.com/docs/gitignore
 
 # Most stuff in here is owned by the Community & Safety WG...
-/.github/*                              @electron/wg-community
+/.github/* @electron/wg-community
 
 # ...except the Admin WG maintains this file.
-/.github/CODEOWNERS                     @electron/wg-admin
+/.github/CODEOWNERS @electron/wg-admin
 
 # Upgrades WG
-/patches/                               @electron/wg-upgrades
-DEPS                                    @electron/wg-upgrades
+/patches/ @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-notes                   @electron/wg-releases
-/script/prepare-release.js              @electron/wg-releases
-/script/bump-version.js                 @electron/wg-releases
-/script/ci-release-build.js             @electron/wg-releases
-/script/release.js                      @electron/wg-releases
-/script/upload-to-github.js             @electron/wg-releases
-/script/release-artifact-cleanup.js     @electron/wg-releases
-/script/get-last-major-for-master.js    @electron/wg-releases
-/script/find-release.js                 @electron/wg-releases
-/script/download-circleci-artifacts.js  @electron/wg-releases
+/npm/ @electron/wg-releases

.github/ISSUE_TEMPLATE.md

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

.github/ISSUE_TEMPLATE/Bug_report.md

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

.github/ISSUE_TEMPLATE/Feature_request.md

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

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

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

.github/ISSUE_TEMPLATE/mac_app_store_private_api_rejection.md

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

.github/ISSUE_TEMPLATE/security_report.md

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

.github/PULL_REQUEST_TEMPLATE.md

@@ -16,7 +16,6 @@ Contributors guide: https://github.com/electron/electron/blob/master/CONTRIBUTIN
 - [ ] 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 -->

.github/config.yml

@@ -1,13 +1,3 @@
-# Configuration for new-issue-welcome - https://github.com/behaviorbot/new-issue-welcome
-
-# Comment to be posted to on first time issues
-newIssueWelcomeComment: |
-  👋 Thanks for opening your first issue here! If you're reporting a 🐞 bug, please make sure you include steps to reproduce it. We get a lot of issues on this repo, so please be patient and we will get back to you as soon as we can.
-
-  To help make it easier for us to investigate your issue, please follow the [contributing guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md).
-
-# Configuration for new-pr-welcome - https://github.com/behaviorbot/new-pr-welcome
-
 # Comment to be posted to on PRs from first time contributors in your repository
 newPRWelcomeComment: |
   💖 Thanks for opening this pull request! 💖
@@ -36,11 +26,6 @@ newPRWelcomeComment: |
 firstPRMergeComment: >
   Congrats on merging your first pull request! 🎉🎉🎉
 
-# Configuration for trop - https://github.com/electron/trop
-
-watchedProject:
-  name: Backports
-
 # Users authorized to run manual trop backports
 authorizedUsers:
   - alexeykuzmin
@@ -50,6 +35,7 @@ authorizedUsers:
   - deepak1556
   - jkleinsc
   - MarshallOfSound
+  - miniak
   - nitsakh
   - nornagon
   - zcbenz

.gitignore

@@ -37,7 +37,7 @@
 /vendor/pyyaml
 node_modules/
 SHASUMS256.txt
-**/yarn.lock
+**/package-lock.json
 compile_commands.json
 .envrc
 
@@ -59,3 +59,6 @@ spec/.hash
 
 # Generated native addon files
 /spec/fixtures/native-addon/echo/build/
+
+# If someone runs tsc this is where stuff will end up
+ts-gen

BUILD.gn

@@ -1,24 +1,29 @@
 import("//build/config/locales.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/manifest.gni")
+import("//content/public/app/mac_helpers.gni")
 import("//pdf/features.gni")
+import("//printing/buildflags/buildflags.gni")
 import("//third_party/ffmpeg/ffmpeg_options.gni")
 import("//tools/generate_library_loader/generate_library_loader.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 import("//tools/v8_context_snapshot/v8_context_snapshot.gni")
-import("//v8/snapshot_toolchain.gni")
+import("//v8/gni/snapshot_toolchain.gni")
 import("build/asar.gni")
 import("build/extract_symbols.gni")
 import("build/js_wrap.gni")
 import("build/npm.gni")
+import("build/tsc.gni")
 import("buildflags/buildflags.gni")
 import("electron_paks.gni")
+import("filenames.auto.gni")
 import("filenames.gni")
 
 if (is_mac) {
   import("//build/config/mac/rules.gni")
   import("//third_party/icu/config.gni")
+  import("//ui/gl/features.gni")
   import("//v8/gni/v8.gni")
 }
 
@@ -54,19 +59,31 @@ config("branding") {
   ]
 }
 
-npm_action("atom_browserify_sandbox_unwrapped") {
-  script = "browserify"
-
-  inputs = [
-    # FIXME(zcbenz): The dependencies of these files are not listed here, so
-    # the generated file will be out-dated when dependencies are modified.
-    # Use a script to generate all dependencies and put them here.
-    "lib/sandboxed_renderer/init.js",
-    "lib/sandboxed_renderer/api/exports/electron.js",
-  ]
+# We geneate the definitions twice here, once in //electron/electron.d.ts
+# and once in $target_gen_dir
+# The one in $target_gen_dir is used for the actual TSC build later one
+# and the one in //electron/electron.d.ts is used by your IDE (vscode)
+# for typescript prompting
+npm_action("build_electron_definitions") {
+  script = "gn-typescript-definitions"
+  args = [ rebase_path("$target_gen_dir/tsc/typings/electron.d.ts") ]
+  inputs = auto_filenames.api_docs + [ "yarn.lock" ]
 
   outputs = [
-    "$target_gen_dir/js2c/preload_bundle_unwrapped.js",
+    "$target_gen_dir/tsc/typings/electron.d.ts",
+  ]
+}
+
+npm_action("atom_browserify_sandbox_unwrapped") {
+  script = "browserify"
+  deps = [
+    ":build_electron_definitions",
+  ]
+
+  inputs = auto_filenames.sandbox_browserify_deps
+
+  outputs = [
+    "$target_gen_dir/js2c/sandbox_bundle_unwrapped.js",
   ]
 
   args = [
@@ -75,6 +92,12 @@ npm_action("atom_browserify_sandbox_unwrapped") {
     "./lib/sandboxed_renderer/api/exports/electron.js:electron",
     "-t",
     "aliasify",
+    "-p",
+    "[",
+    "tsify",
+    "-p",
+    "tsconfig.electron.json",
+    "]",
     "--standalone",
     "sandboxed_preload",
     "-o",
@@ -84,11 +107,12 @@ npm_action("atom_browserify_sandbox_unwrapped") {
 
 npm_action("atom_browserify_isolated_unwrapped") {
   script = "browserify"
-
-  inputs = [
-    "lib/isolated_renderer/init.js",
+  deps = [
+    ":build_electron_definitions",
   ]
 
+  inputs = auto_filenames.isolated_browserify_deps
+
   outputs = [
     "$target_gen_dir/js2c/isolated_bundle_unwrapped.js",
   ]
@@ -97,6 +121,12 @@ npm_action("atom_browserify_isolated_unwrapped") {
     "lib/isolated_renderer/init.js",
     "-t",
     "aliasify",
+    "-p",
+    "[",
+    "tsify",
+    "-p",
+    "tsconfig.electron.json",
+    "]",
     "--standalone",
     "isolated_preload",
     "-o",
@@ -104,6 +134,49 @@ npm_action("atom_browserify_isolated_unwrapped") {
   ]
 }
 
+npm_action("atom_browserify_content_script_unwrapped") {
+  script = "browserify"
+  deps = [
+    ":build_electron_definitions",
+  ]
+
+  inputs = auto_filenames.context_script_browserify_deps
+
+  outputs = [
+    "$target_gen_dir/js2c/content_script_bundle_unwrapped.js",
+  ]
+
+  args = [
+    "lib/content_script/init.js",
+    "-t",
+    "aliasify",
+    "-p",
+    "[",
+    "tsify",
+    "-p",
+    "tsconfig.electron.json",
+    "]",
+    "--standalone",
+    "content_script_preload",
+    "-o",
+    rebase_path(outputs[0]),
+  ]
+}
+
+js_wrap("atom_browserify_content_script") {
+  deps = [
+    ":atom_browserify_content_script_unwrapped",
+  ]
+
+  inputs = [
+    "$target_gen_dir/js2c/content_script_bundle_unwrapped.js",
+  ]
+
+  outputs = [
+    "$target_gen_dir/js2c/content_script_bundle.js",
+  ]
+}
+
 js_wrap("atom_browserify_isolated") {
   deps = [
     ":atom_browserify_isolated_unwrapped",
@@ -124,11 +197,11 @@ js_wrap("atom_browserify_sandbox") {
   ]
 
   inputs = [
-    "$target_gen_dir/js2c/preload_bundle_unwrapped.js",
+    "$target_gen_dir/js2c/sandbox_bundle_unwrapped.js",
   ]
 
   outputs = [
-    "$target_gen_dir/js2c/preload_bundle.js",
+    "$target_gen_dir/js2c/sandbox_bundle.js",
   ]
 }
 
@@ -144,14 +217,16 @@ copy("atom_js2c_copy") {
 
 action("atom_js2c") {
   deps = [
+    ":atom_browserify_content_script",
     ":atom_browserify_isolated",
     ":atom_browserify_sandbox",
     ":atom_js2c_copy",
   ]
 
   browserify_sources = [
+    "$target_gen_dir/js2c/content_script_bundle.js",
     "$target_gen_dir/js2c/isolated_bundle.js",
-    "$target_gen_dir/js2c/preload_bundle.js",
+    "$target_gen_dir/js2c/sandbox_bundle.js",
   ]
 
   sources = browserify_sources + [
@@ -159,7 +234,7 @@ action("atom_js2c") {
               "$target_gen_dir/js2c/asar_init.js",
             ]
 
-  inputs = sources
+  inputs = sources + [ "//third_party/electron_node/tools/js2c.py" ]
   outputs = [
     "$root_gen_dir/atom_natives.cc",
   ]
@@ -170,7 +245,15 @@ action("atom_js2c") {
          rebase_path(sources, root_build_dir)
 }
 
-asar("js2asar") {
+target_gen_electron_js = "$target_gen_dir/js/electron"
+target_gen_default_app_js = "$target_gen_dir/js/default_app"
+
+typescript_build("lib_js") {
+  deps = [
+    ":build_electron_definitions",
+  ]
+  type_root = rebase_path("$target_gen_dir/tsc/electron/typings")
+
   sources = filenames.js_sources
   if (enable_desktop_capturer) {
     sources += [
@@ -189,18 +272,65 @@ asar("js2asar") {
       "lib/browser/api/views/text-field.js",
     ]
   }
+
+  output_gen_dir = target_gen_electron_js
+  output_dir_name = "lib"
+  tsconfig = "tsconfig.electron.json"
+}
+
+asar("electron_asar") {
+  deps = [
+    ":lib_js",
+  ]
+
+  root = "$target_gen_electron_js/electron/lib"
+  sources = get_target_outputs(":lib_js")
   outputs = [
     "$root_out_dir/resources/electron.asar",
   ]
-  root = "lib"
 }
 
-asar("app2asar") {
-  sources = filenames.default_app_sources
+typescript_build("default_app_js") {
+  deps = [
+    ":build_electron_definitions",
+  ]
+  type_root = rebase_path("$target_gen_dir/tsc/electron/typings")
+
+  sources = filenames.default_app_ts_sources
+
+  output_gen_dir = target_gen_default_app_js
+  output_dir_name = "default_app"
+  tsconfig = "tsconfig.default_app.json"
+}
+
+copy("default_app_static") {
+  sources = filenames.default_app_static_sources
+  outputs = [
+    "$target_gen_default_app_js/{{source}}",
+  ]
+}
+
+copy("default_app_octicon_deps") {
+  sources = filenames.default_app_octicon_sources
+  outputs = [
+    "$target_gen_default_app_js/electron/default_app/octicon/{{source_file_part}}",
+  ]
+}
+
+asar("default_app_asar") {
+  deps = [
+    ":default_app_js",
+    ":default_app_octicon_deps",
+    ":default_app_static",
+  ]
+
+  root = "$target_gen_default_app_js/electron/default_app"
+  sources = get_target_outputs(":default_app_js") +
+            get_target_outputs(":default_app_static") +
+            get_target_outputs(":default_app_octicon_deps")
   outputs = [
     "$root_out_dir/resources/default_app.asar",
   ]
-  root = "default_app"
 }
 
 grit("resources") {
@@ -258,6 +388,30 @@ if (is_linux) {
   }
 }
 
+source_set("manifests") {
+  sources = [
+    "//electron/atom/app/manifests.cc",
+    "//electron/atom/app/manifests.h",
+  ]
+
+  include_dirs = [ "//electron" ]
+
+  deps = [
+    "//electron/atom/common/api:mojo",
+    "//printing/buildflags",
+    "//services/proxy_resolver/public/cpp:manifest",
+    "//services/service_manager/public/cpp",
+  ]
+
+  if (enable_basic_printing) {
+    deps += [ "//components/services/pdf_compositor/public/cpp:manifest" ]
+  }
+
+  if (enable_print_preview) {
+    deps += [ "//chrome/services/printing/public/cpp:manifest" ]
+  }
+}
+
 static_library("electron_lib") {
   configs += [ "//v8:external_startup_data" ]
   configs += [ "//third_party/electron_node:node_internals" ]
@@ -266,13 +420,14 @@ static_library("electron_lib") {
 
   deps = [
     ":atom_js2c",
+    ":manifests",
+    ":resources",
+    "atom/common/api:mojo",
     "buildflags",
     "chromium_src:chrome",
-    "manifests",
     "native_mate",
-    "//base",
     "//base:base_static",
-    "//base:i18n",
+    "//base/allocator:buildflags",
     "//chrome/app/resources:platform_locale_settings",
     "//components/certificate_transparency",
     "//components/net_log",
@@ -281,10 +436,12 @@ static_library("electron_lib") {
     "//components/spellcheck/renderer",
     "//components/viz/host",
     "//components/viz/service",
-    "//content/public/app:both",
     "//content/public/browser",
     "//content/public/child",
     "//content/public/common:service_names",
+    "//content/public/renderer",
+    "//content/public/utility",
+    "//device/bluetooth",
     "//gin",
     "//media/capture/mojom:video_capture",
     "//media/mojo/interfaces",
@@ -294,7 +451,9 @@ static_library("electron_lib") {
     "//ppapi/host",
     "//ppapi/proxy",
     "//ppapi/shared_impl",
+    "//printing/buildflags",
     "//services/audio/public/mojom:constants",
+    "//services/device/public/cpp/geolocation",
     "//services/device/public/mojom",
     "//services/proxy_resolver:lib",
     "//services/video_capture/public/mojom:constants",
@@ -307,10 +466,20 @@ static_library("electron_lib") {
     "//third_party/libyuv",
     "//third_party/webrtc_overrides:init_webrtc",
     "//third_party/widevine/cdm:headers",
+    "//ui/base/idle",
     "//ui/events:dom_keycode_converter",
     "//ui/gl",
+    "//ui/native_theme",
+    "//ui/shell_dialogs",
     "//ui/views",
     "//v8",
+    "//v8:v8_libplatform",
+  ]
+
+  public_deps = [
+    "//base",
+    "//base:i18n",
+    "//content/public/app:both",
   ]
 
   include_dirs = [
@@ -379,21 +548,15 @@ static_library("electron_lib") {
 
   if (is_mac) {
     deps += [
-      "//third_party/crashpad/crashpad/client",
+      "//components/remote_cocoa/app_shim",
+      "//content/common:mac_helpers",
       "//ui/accelerated_widget_mac",
     ]
     sources += [
       "atom/browser/ui/views/autofill_popup_view.cc",
       "atom/browser/ui/views/autofill_popup_view.h",
     ]
-    include_dirs += [
-      # NOTE(nornagon): other chromium files use the full path to include
-      # crashpad; this is just here for compatibility between GN and GYP, so that
-      # the #includes can be agnostic about where crashpad is vendored.
-      "//third_party/crashpad",
-    ]
     if (is_mas_build) {
-      deps -= [ "//third_party/crashpad/crashpad/client" ]
       sources += [ "atom/browser/api/atom_api_app_mas.mm" ]
       sources -= [
         "atom/browser/auto_updater_mac.mm",
@@ -423,13 +586,14 @@ static_library("electron_lib") {
       "//chrome/browser/ui/libgtkui",
       "//dbus",
       "//device/bluetooth",
+      "//third_party/breakpad:client",
       "//ui/events/devices/x11",
       "//ui/events/platform/x11",
-      "//ui/native_theme",
       "//ui/views/controls/webview",
       "//ui/wm",
     ]
     configs += [ ":gio_unix" ]
+    include_dirs += [ "//third_party/breakpad" ]
     defines += [
       # Disable warnings for g_settings_list_schemas.
       "GLIB_DISABLE_DEPRECATION_WARNINGS",
@@ -439,10 +603,24 @@ static_library("electron_lib") {
   }
   if (is_win) {
     libs += [ "dwmapi.lib" ]
+    deps += [
+      "//ui/native_theme:native_theme_browser",
+      "//ui/views/controls/webview",
+      "//ui/wm",
+      "//ui/wm/public",
+    ]
+    public_deps += [
+      "//sandbox/win:sandbox",
+      "//third_party/crashpad/crashpad/handler",
+    ]
   }
-  if (is_linux || is_win) {
-    deps += [ "//third_party/breakpad:client" ]
-    include_dirs += [ "//third_party/breakpad" ]
+
+  if ((is_mac && !is_mas_build) || is_win) {
+    sources += [
+      "atom/common/crash_reporter/crash_reporter_crashpad.cc",
+      "atom/common/crash_reporter/crash_reporter_crashpad.h",
+    ]
+    deps += [ "//third_party/crashpad/crashpad/client" ]
   }
 
   if (enable_pdf) {
@@ -585,6 +763,50 @@ if (is_mac) {
     group("electron_framework_libraries") {
     }
   }
+  if (use_egl) {
+    # Add the ANGLE .dylibs in the Libraries directory of the Framework.
+    bundle_data("electron_angle_binaries") {
+      sources = [
+        "$root_out_dir/egl_intermediates/libEGL.dylib",
+        "$root_out_dir/egl_intermediates/libGLESv2.dylib",
+      ]
+      outputs = [
+        "{{bundle_contents_dir}}/Libraries/{{source_file_part}}",
+      ]
+      public_deps = [
+        "//ui/gl:angle_library_copy",
+      ]
+    }
+
+    # Add the SwiftShader .dylibs in the Libraries directory of the Framework.
+    bundle_data("electron_swiftshader_binaries") {
+      sources = [
+        "$root_out_dir/egl_intermediates/libswiftshader_libEGL.dylib",
+        "$root_out_dir/egl_intermediates/libswiftshader_libGLESv2.dylib",
+      ]
+      outputs = [
+        "{{bundle_contents_dir}}/Libraries/{{source_file_part}}",
+      ]
+      public_deps = [
+        "//ui/gl:swiftshader_library_copy",
+      ]
+    }
+  }
+  group("electron_angle_library") {
+    if (use_egl) {
+      deps = [
+        ":electron_angle_binaries",
+      ]
+    }
+  }
+
+  group("electron_swiftshader_library") {
+    if (use_egl) {
+      deps = [
+        ":electron_swiftshader_binaries",
+      ]
+    }
+  }
 
   bundle_data("electron_crashpad_helper") {
     sources = [
@@ -611,8 +833,10 @@ if (is_mac) {
       ":electron_lib",
     ]
     deps = [
+      ":electron_angle_library",
       ":electron_framework_libraries",
       ":electron_framework_resources",
+      ":electron_swiftshader_library",
       ":electron_xibs",
     ]
     if (!is_mas_build) {
@@ -631,6 +855,7 @@ if (is_mac) {
     libs = [
       "AVFoundation.framework",
       "Carbon.framework",
+      "LocalAuthentication.framework",
       "QuartzCore.framework",
       "Quartz.framework",
       "Security.framework",
@@ -658,35 +883,48 @@ if (is_mac) {
     }
   }
 
-  mac_app_bundle("electron_helper_app") {
-    output_name = electron_helper_name
-    deps = [
-      ":electron_framework+link",
-    ]
-    if (!is_mas_build) {
-      deps += [ "//sandbox/mac:seatbelt" ]
-    }
-    defines = [ "HELPER_EXECUTABLE" ]
-    sources = filenames.app_sources
-    include_dirs = [ "." ]
-    info_plist = "atom/renderer/resources/mac/Info.plist"
-    extra_substitutions = [ "ATOM_BUNDLE_ID=$electron_mac_bundle_id.helper" ]
-    ldflags = [
-      "-rpath",
-      "@executable_path/../../..",
-    ]
-    if (is_component_build) {
-      ldflags += [
-        "-rpath",
-        "@executable_path/../../../../../..",
+  template("electron_helper_app") {
+    mac_app_bundle(target_name) {
+      assert(defined(invoker.helper_name_suffix))
+
+      output_name = electron_helper_name + invoker.helper_name_suffix
+      deps = [
+        ":electron_framework+link",
       ]
+      if (!is_mas_build) {
+        deps += [ "//sandbox/mac:seatbelt" ]
+      }
+      defines = [ "HELPER_EXECUTABLE" ]
+      sources = filenames.app_sources
+      sources += [ "atom/common/atom_constants.cc" ]
+      include_dirs = [ "." ]
+      info_plist = "atom/renderer/resources/mac/Info.plist"
+      extra_substitutions = [ "ATOM_BUNDLE_ID=$electron_mac_bundle_id.helper" ]
+      ldflags = [
+        "-rpath",
+        "@executable_path/../../..",
+      ]
+      if (is_component_build) {
+        ldflags += [
+          "-rpath",
+          "@executable_path/../../../../../..",
+        ]
+      }
+    }
+  }
+
+  foreach(helper_params, content_mac_helpers) {
+    _helper_target = helper_params[0]
+    _helper_bundle_id = helper_params[1]
+    _helper_suffix = helper_params[2]
+    electron_helper_app("electron_helper_app_${_helper_target}") {
+      helper_name_suffix = _helper_suffix
     }
   }
 
   bundle_data("electron_app_framework_bundle_data") {
     sources = [
       "$root_out_dir/$electron_framework_name.framework",
-      "$root_out_dir/$electron_helper_name.app",
     ]
     if (!is_mas_build) {
       sources += [
@@ -700,8 +938,13 @@ if (is_mac) {
     ]
     public_deps = [
       ":electron_framework+link",
-      ":electron_helper_app",
     ]
+
+    foreach(helper_params, content_mac_helpers) {
+      sources +=
+          [ "$root_out_dir/${electron_helper_name}${helper_params[2]}.app" ]
+      public_deps += [ ":electron_helper_app_${helper_params[0]}" ]
+    }
   }
 
   mac_app_bundle("electron_login_helper") {
@@ -758,9 +1001,9 @@ if (is_mac) {
 
   bundle_data("electron_app_resources") {
     public_deps = [
-      ":app2asar",
+      ":default_app_asar",
       ":electron_app_strings_bundle_data",
-      ":js2asar",
+      ":electron_asar",
     ]
     sources = [
       "$root_out_dir/resources/default_app.asar",
@@ -775,6 +1018,7 @@ if (is_mac) {
   mac_app_bundle("electron_app") {
     output_name = electron_product_name
     sources = filenames.app_sources
+    sources += [ "atom/common/atom_constants.cc" ]
     include_dirs = [ "." ]
     deps = [
       ":electron_app_framework_bundle_data",
@@ -801,13 +1045,18 @@ if (is_mac) {
       ]
     }
 
-    extract_symbols("electron_helper_syms") {
-      binary = "$root_out_dir/$electron_helper_name.app/Contents/MacOS/$electron_helper_name"
-      symbol_dir = "$root_out_dir/breakpad_symbols"
-      dsym_file = "$root_out_dir/$electron_helper_name.dSYM/Contents/Resources/DWARF/$electron_helper_name"
-      deps = [
-        ":electron_helper_app",
-      ]
+    foreach(helper_params, content_mac_helpers) {
+      _helper_target = helper_params[0]
+      _helper_bundle_id = helper_params[1]
+      _helper_suffix = helper_params[2]
+      extract_symbols("electron_helper_syms_${_helper_target}") {
+        binary = "$root_out_dir/$electron_helper_name${_helper_suffix}.app/Contents/MacOS/$electron_helper_name${_helper_suffix}"
+        symbol_dir = "$root_out_dir/breakpad_symbols"
+        dsym_file = "$root_out_dir/$electron_helper_name${_helper_suffix}.dSYM/Contents/Resources/DWARF/$electron_helper_name${_helper_suffix}"
+        deps = [
+          ":electron_helper_app_${_helper_target}",
+        ]
+      }
     }
 
     extract_symbols("electron_app_syms") {
@@ -819,6 +1068,24 @@ if (is_mac) {
       ]
     }
 
+    extract_symbols("swiftshader_egl_syms") {
+      binary = "$root_out_dir/libswiftshader_libEGL.dylib"
+      symbol_dir = "$root_out_dir/breakpad_symbols"
+      dsym_file = "$root_out_dir/libswiftshader_libEGL.dylib.dSYM/Contents/Resources/DWARF/libswiftshader_libEGL.dylib"
+      deps = [
+        "//third_party/swiftshader/src/OpenGL/libEGL:swiftshader_libEGL",
+      ]
+    }
+
+    extract_symbols("swiftshader_gles_syms") {
+      binary = "$root_out_dir/libswiftshader_libGLESv2.dylib"
+      symbol_dir = "$root_out_dir/breakpad_symbols"
+      dsym_file = "$root_out_dir/libswiftshader_libGLESv2.dylib.dSYM/Contents/Resources/DWARF/libswiftshader_libGLESv2.dylib"
+      deps = [
+        "//third_party/swiftshader/src/OpenGL/libGLESv2:swiftshader_libGLESv2",
+      ]
+    }
+
     extract_symbols("crashpad_handler_syms") {
       binary = "$root_out_dir/crashpad_handler"
       symbol_dir = "$root_out_dir/breakpad_symbols"
@@ -833,8 +1100,14 @@ if (is_mac) {
         ":crashpad_handler_syms",
         ":electron_app_syms",
         ":electron_framework_syms",
-        ":electron_helper_syms",
+        ":swiftshader_egl_syms",
+        ":swiftshader_gles_syms",
       ]
+
+      foreach(helper_params, content_mac_helpers) {
+        _helper_target = helper_params[0]
+        deps += [ ":electron_helper_syms_${_helper_target}" ]
+      }
     }
   } else {
     group("electron_symbols") {
@@ -856,12 +1129,13 @@ if (is_mac) {
     sources = filenames.app_sources
     include_dirs = [ "." ]
     deps = [
-      ":app2asar",
+      ":default_app_asar",
       ":electron_app_manifest",
+      ":electron_asar",
       ":electron_lib",
-      ":js2asar",
       ":packed_resources",
       "//content:sandbox_helper_win",
+      "//electron/buildflags",
       "//ui/strings",
     ]
 
@@ -890,17 +1164,7 @@ if (is_mac) {
         # TODO: we should be generating our .rc files more like how chrome does
         "atom/browser/resources/win/atom.ico",
         "atom/browser/resources/win/atom.rc",
-        "atom/browser/resources/win/resources.h",
-      ]
-
-      deps += [
-        "//third_party/breakpad:breakpad_handler",
-        "//third_party/breakpad:breakpad_sender",
-        "//ui/native_theme:native_theme_browser",
-        "//ui/shell_dialogs",
-        "//ui/views/controls/webview",
-        "//ui/wm",
-        "//ui/wm/public",
+        "atom/browser/resources/win/resource.h",
       ]
 
       libs = [
@@ -975,13 +1239,9 @@ if (is_mac) {
     group("electron_symbols") {
       deps = [
         ":electron_app_symbols",
+        ":swiftshader_egl_symbols",
+        ":swiftshader_gles_symbols",
       ]
-      if (target_cpu == "x86" || target_cpu == "x64") {
-        deps += [
-          ":swiftshader_egl_symbols",
-          ":swiftshader_gles_symbols",
-        ]
-      }
     }
   }
 }
@@ -998,6 +1258,7 @@ template("dist_zip") {
                              "deps",
                              "data_deps",
                              "data",
+                             "testonly",
                            ])
     write_runtime_deps = _runtime_deps_file
   }
@@ -1007,7 +1268,11 @@ template("dist_zip") {
     deps = [
       ":$_runtime_deps_target",
     ]
-    forward_variables_from(invoker, [ "outputs" ])
+    forward_variables_from(invoker,
+                           [
+                             "outputs",
+                             "testonly",
+                           ])
     args = rebase_path(outputs + [ _runtime_deps_file ], root_build_dir) + [
              target_cpu,
              target_os,
@@ -1075,6 +1340,7 @@ dist_zip("electron_ffmpeg_zip") {
 }
 
 dist_zip("electron_chromedriver_zip") {
+  testonly = true
   data_deps = [
     "//chrome/test/chromedriver",
     ":licenses",

DEPS

@@ -10,9 +10,9 @@ gclient_gn_args = [
 
 vars = {
   'chromium_version':
-    '73.0.3683.121',
+    '76.0.3809.110',
   'node_version':
-    '666c67e078bddc32f25409f4a929c1e9b5f47373',
+    'v12.4.0',
 
   'boto_version': 'f7574aa6cc2c819430c1f05e9a1a1a666ef8169b',
   'pyyaml_version': '3.12',
@@ -25,6 +25,9 @@ vars = {
   'requests_git': 'https://github.com/kennethreitz',
   'yaml_git': 'https://github.com/yaml',
 
+  # KEEP IN SYNC WITH spec-runner FILE
+  'yarn_version': '1.15.2',
+
   # To be able to build clean Chromium from sources.
   'apply_patches': True,
 
@@ -108,7 +111,7 @@ hooks = [
     'action': [
       'python',
       '-c',
-      'import os; os.chdir("src"); os.chdir("electron"); os.system("npm install")',
+      'import os, subprocess; os.chdir(os.path.join("src", "electron")); subprocess.check_call(["python", "script/lib/npx.py", "yarn@' + (Var("yarn_version")) + '", "install", "--frozen-lockfile"]);',
     ],
   },
   {
@@ -118,7 +121,7 @@ hooks = [
     'action': [
       'python',
       '-c',
-      'import os; os.chdir("src"); os.chdir("electron"); os.chdir("vendor"); os.chdir("boto"); os.system("python setup.py build");',
+      'import os, subprocess; os.chdir(os.path.join("src", "electron", "vendor", "boto")); subprocess.check_call(["python", "setup.py", "build"]);',
     ],
   },
   {
@@ -128,9 +131,9 @@ hooks = [
     'action': [
       'python',
       '-c',
-      'import os; os.chdir("src"); os.chdir("electron"); os.chdir("vendor"); os.chdir("requests"); os.system("python setup.py build");',
+      'import os, subprocess; os.chdir(os.path.join("src", "electron", "vendor", "requests")); subprocess.check_call(["python", "setup.py", "build"]);',
     ],
-  }
+  },
 ]
 
 recursedeps = [

ELECTRON_VERSION

@@ -1 +1 @@
-5.0.12
+6.0.2

README.md

@@ -2,12 +2,10 @@
 
 
 [![CircleCI Build Status](https://circleci.com/gh/electron/electron/tree/master.svg?style=shield)](https://circleci.com/gh/electron/electron/tree/master)
-[![AppVeyor Build Status](https://windows-ci.electronjs.org/api/projects/status/nilyf07hcef14dvj/branch/master?svg=true)](https://windows-ci.electronjs.org/project/AppVeyor/electron/branch/master)
-[![Azure Pipelines Build Status](https://github.visualstudio.com/electron/_apis/build/status/electron-builds/electron-osx-testing?branchName=master)](https://github.visualstudio.com/electron/_build/latest?definitionId=36)
+[![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)
-[![Join the Electron Community on Slack](https://atom-slack.herokuapp.com/badge.svg)](https://atom-slack.herokuapp.com/)
 
-:memo: Available Translations: 🇨🇳 🇹🇼 🇧🇷 🇪🇸 🇰🇷 🇯🇵 🇷🇺 🇫🇷 🇹🇭 🇳🇱 🇹🇷 🇮🇩 🇺🇦 🇨🇿 🇮🇹.
+:memo: Available Translations: 🇨🇳 🇹🇼 🇧🇷 🇪🇸 🇰🇷 🇯🇵 🇷🇺 🇫🇷 🇹🇭 🇳🇱 🇹🇷 🇮🇩 🇺🇦 🇨🇿 🇮🇹 🇵🇱.
 View these docs in other languages at [electron/i18n](https://github.com/electron/i18n/tree/master/content/).
 
 The Electron framework lets you write cross-platform desktop applications

appveyor.yml

@@ -25,23 +25,20 @@
 
 version: 1.0.{build}
 build_cloud: libcc-20
-image: libcc-20-vs2017-15.7.4
+image: libcc-20-vs2017-15.9
 environment:
   GIT_CACHE_PATH: C:\Users\electron\libcc_cache
-  DISABLE_CRASH_REPORTER_TESTS: true
   ELECTRON_OUT_DIR: Default
+  ELECTRON_ENABLE_STACK_DUMPING: 1
 build_script:
   - ps: >-
-      if($env:APPVEYOR_PROJECT_NAME -eq "electron-woa-testing") {
-        Write-warning "WOA builds not supported on older versions of Electron"; Exit-AppveyorBuild
-      }
       if(($env:APPVEYOR_PULL_REQUEST_HEAD_REPO_NAME -split "/")[0] -eq ($env:APPVEYOR_REPO_NAME -split "/")[0]) {
         Write-warning "Skipping PR build for branch"; Exit-AppveyorBuild
       }
   - echo "Building $env:GN_CONFIG build"
   - git config --global core.longpaths true
   - cd ..
-  - md src
+  - ps: if (Test-Path src\electron) { Remove-Item src\electron -Recurse }
   - ps: Move-Item $env:APPVEYOR_BUILD_FOLDER -Destination src\electron
   - ps: $env:CHROMIUM_BUILDTOOLS_PATH="$pwd\src\buildtools"
   - ps: $env:SCCACHE_PATH="$pwd\src\electron\external_binaries\sccache.exe"
@@ -55,10 +52,14 @@ build_script:
       --unmanaged
       %GCLIENT_EXTRA_ARGS%
       "https://github.com/electron/electron"
-  - gclient sync --with_branch_heads --with_tags
+  - gclient sync --with_branch_heads --with_tags --reset
   - cd src
   - ps: $env:BUILD_CONFIG_PATH="//electron/build/args/%GN_CONFIG%.gn"
   - gn gen out/Default "--args=import(\"%BUILD_CONFIG_PATH%\") %GN_EXTRA_ARGS%"
+  - gn check out/Default //electron:electron_lib
+  - gn check out/Default //electron:electron_app
+  - gn check out/Default //electron:manifests
+  - gn check out/Default //electron/atom/common/api:mojo
   - ninja -C out/Default electron:electron_app
   - gn gen out/ffmpeg "--args=import(\"//electron/build/args/ffmpeg.gn\") %GN_EXTRA_ARGS%"
   - ninja -C out/ffmpeg electron:electron_ffmpeg_zip
@@ -82,6 +83,8 @@ build_script:
       }
   - python electron/script/zip_manifests/check-zip-manifest.py out/Default/dist.zip electron/script/zip_manifests/dist_zip.win.%TARGET_ARCH%.manifest
 test_script:
+  # Workaround for https://github.com/appveyor/ci/issues/2420
+  - set "PATH=%PATH%;C:\Program Files\Git\mingw64\libexec\git-core"
   - ps: >-
       if ((-Not (Test-Path Env:\ELECTRON_RELEASE)) -And ($env:GN_CONFIG -in "testing", "release")) {
         $env:RUN_TESTS="true"
@@ -94,7 +97,7 @@ test_script:
         echo "Skipping tests for $env:GN_CONFIG build"
       }
   - cd electron
-  - if "%RUN_TESTS%"=="true" ( echo Running test suite & npm run test -- --ci --enable-logging)
+  - if "%RUN_TESTS%"=="true" ( echo Running test suite & node script/yarn test -- --ci --enable-logging)
   - cd ..
   - if "%RUN_TESTS%"=="true" ( echo Verifying non proprietary ffmpeg & python electron\script\verify-ffmpeg.py --build-dir out\Default --source-root %cd% --ffmpeg-path out\ffmpeg )
   - echo "About to verify mksnapshot"

atom/app/atom_content_client.cc

@@ -5,7 +5,6 @@
 #include "atom/app/atom_content_client.h"
 
 #include <string>
-#include <utility>
 #include <vector>
 
 #include "atom/common/options_switches.h"
@@ -162,19 +161,14 @@ void ComputeBuiltInPlugins(std::vector<content::PepperPluginInfo>* plugins) {
 #endif  // BUILDFLAG(ENABLE_PDF_VIEWER)
 }
 
-void AppendDelimitedSwitchToVector(const base::StringPiece cmd_switch,
-                                   std::vector<std::string>* append_me) {
+void ConvertStringWithSeparatorToVector(std::vector<std::string>* vec,
+                                        const char* separator,
+                                        const char* cmd_switch) {
   auto* command_line = base::CommandLine::ForCurrentProcess();
-  auto switch_value = command_line->GetSwitchValueASCII(cmd_switch);
-  if (!switch_value.empty()) {
-    constexpr base::StringPiece delimiter(",", 1);
-    auto tokens =
-        base::SplitString(switch_value, delimiter, base::TRIM_WHITESPACE,
-                          base::SPLIT_WANT_NONEMPTY);
-    append_me->reserve(append_me->size() + tokens.size());
-    std::move(std::begin(tokens), std::end(tokens),
-              std::back_inserter(*append_me));
-  }
+  auto string_with_separator = command_line->GetSwitchValueASCII(cmd_switch);
+  if (!string_with_separator.empty())
+    *vec = base::SplitString(string_with_separator, separator,
+                             base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
 }
 
 }  // namespace
@@ -206,19 +200,30 @@ base::RefCountedMemory* AtomContentClient::GetDataResourceBytes(
 }
 
 void AtomContentClient::AddAdditionalSchemes(Schemes* schemes) {
-  AppendDelimitedSwitchToVector(switches::kServiceWorkerSchemes,
-                                &schemes->service_worker_schemes);
-  AppendDelimitedSwitchToVector(switches::kStandardSchemes,
-                                &schemes->standard_schemes);
-  AppendDelimitedSwitchToVector(switches::kSecureSchemes,
-                                &schemes->secure_schemes);
-  AppendDelimitedSwitchToVector(switches::kBypassCSPSchemes,
-                                &schemes->csp_bypassing_schemes);
-  AppendDelimitedSwitchToVector(switches::kCORSSchemes,
-                                &schemes->cors_enabled_schemes);
-
+  std::vector<std::string> splited;
+  ConvertStringWithSeparatorToVector(&splited, ",",
+                                     switches::kServiceWorkerSchemes);
+  for (const std::string& scheme : splited)
+    schemes->service_worker_schemes.push_back(scheme);
   schemes->service_worker_schemes.push_back(url::kFileScheme);
+
+  ConvertStringWithSeparatorToVector(&splited, ",", switches::kStandardSchemes);
+  for (const std::string& scheme : splited)
+    schemes->standard_schemes.push_back(scheme);
   schemes->standard_schemes.push_back("chrome-extension");
+
+  ConvertStringWithSeparatorToVector(&splited, ",", switches::kSecureSchemes);
+  for (const std::string& scheme : splited)
+    schemes->secure_schemes.push_back(scheme);
+
+  ConvertStringWithSeparatorToVector(&splited, ",",
+                                     switches::kBypassCSPSchemes);
+  for (const std::string& scheme : splited)
+    schemes->csp_bypassing_schemes.push_back(scheme);
+
+  ConvertStringWithSeparatorToVector(&splited, ",", switches::kCORSSchemes);
+  for (const std::string& scheme : splited)
+    schemes->cors_enabled_schemes.push_back(scheme);
 }
 
 void AtomContentClient::AddPepperPlugins(
@@ -263,4 +268,8 @@ void AtomContentClient::AddContentDecryptionModules(
   }
 }
 
+bool AtomContentClient::IsDataResourceGzipped(int resource_id) const {
+  return ui::ResourceBundle::GetSharedInstance().IsGzipped(resource_id);
+}
+
 }  // namespace atom

atom/app/atom_content_client.h

@@ -31,6 +31,7 @@ class AtomContentClient : public content::ContentClient {
   void AddContentDecryptionModules(
       std::vector<content::CdmInfo>* cdms,
       std::vector<media::CdmHostFilePath>* cdm_host_file_paths) override;
+  bool IsDataResourceGzipped(int resource_id) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AtomContentClient);

atom/app/atom_main.cc

@@ -4,6 +4,7 @@
 
 #include "atom/app/atom_main.h"
 
+#include <algorithm>
 #include <cstdlib>
 #include <memory>
 #include <vector>
@@ -39,6 +40,7 @@
 
 #include "atom/app/node_main.h"
 #include "atom/common/atom_command_line.h"
+#include "atom/common/atom_constants.h"
 #include "base/at_exit.h"
 #include "base/i18n/icu_util.h"
 #include "electron/buildflags/buildflags.h"
@@ -49,10 +51,6 @@
 
 namespace {
 
-#if BUILDFLAG(ENABLE_RUN_AS_NODE)
-const char kRunAsNode[] = "ELECTRON_RUN_AS_NODE";
-#endif
-
 ALLOW_UNUSED_TYPE bool IsEnvSet(const char* name) {
 #if defined(OS_WIN)
   size_t required_size;
@@ -86,6 +84,11 @@ void FixStdioStreams() {
 }  // namespace
 
 #if defined(OS_WIN)
+
+namespace crash_reporter {
+extern const char kCrashpadProcess[];
+}
+
 int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
   struct Arguments {
     int argc = 0;
@@ -122,7 +125,7 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
 #endif
 
 #if BUILDFLAG(ENABLE_RUN_AS_NODE)
-  bool run_as_node = IsEnvSet(kRunAsNode);
+  bool run_as_node = IsEnvSet(atom::kRunAsNode);
 #else
   bool run_as_node = false;
 #endif
@@ -131,30 +134,11 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
   if (run_as_node || !IsEnvSet("ELECTRON_NO_ATTACH_CONSOLE"))
     base::RouteStdioToConsole(false);
 
-#ifndef DEBUG
-  // Chromium has its own TLS subsystem which supports automatic destruction
-  // of thread-local data, and also depends on memory allocation routines
-  // provided by the CRT. The problem is that the auto-destruction mechanism
-  // uses a hidden feature of the OS loader which calls a callback on thread
-  // exit, but only after all loaded DLLs have been detached. Since the CRT is
-  // also a DLL, it happens that by the time Chromium's `OnThreadExit` function
-  // is called, the heap functions, though still in memory, no longer perform
-  // their duties, and when Chromium calls `free` on its buffer, it triggers
-  // an access violation error.
-  // We work around this problem by invoking Chromium's `OnThreadExit` in time
-  // from within the CRT's atexit facility, ensuring the heap functions are
-  // still active. The second invocation from the OS loader will be a no-op.
-  extern void NTAPI OnThreadExit(PVOID module, DWORD reason, PVOID reserved);
-  atexit([]() { OnThreadExit(nullptr, DLL_THREAD_DETACH, nullptr); });
-#endif
-
+  std::vector<char*> argv(arguments.argc);
+  std::transform(arguments.argv, arguments.argv + arguments.argc, argv.begin(),
+                 [](auto& a) { return _strdup(base::WideToUTF8(a).c_str()); });
 #if BUILDFLAG(ENABLE_RUN_AS_NODE)
   if (run_as_node) {
-    std::vector<char*> argv(arguments.argc);
-    std::transform(
-        arguments.argv, arguments.argv + arguments.argc, argv.begin(),
-        [](auto& a) { return _strdup(base::WideToUTF8(a).c_str()); });
-
     base::AtExitManager atexit_manager;
     base::i18n::InitializeICU();
     auto ret = atom::NodeMain(argv.size(), argv.data());
@@ -163,8 +147,11 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t* cmd, int) {
   }
 #endif
 
-  if (IsEnvSet("ELECTRON_INTERNAL_CRASH_SERVICE")) {
-    return crash_service::Main(cmd);
+  base::CommandLine::Init(argv.size(), argv.data());
+  const base::CommandLine& cmd_line = *base::CommandLine::ForCurrentProcess();
+  if (cmd_line.GetSwitchValueASCII("type") ==
+      crash_reporter::kCrashpadProcess) {
+    return crash_service::Main(&argv);
   }
 
   if (!atom::CheckCommandLineArguments(arguments.argc, arguments.argv))
@@ -187,7 +174,7 @@ int main(int argc, char* argv[]) {
   FixStdioStreams();
 
 #if BUILDFLAG(ENABLE_RUN_AS_NODE)
-  if (IsEnvSet(kRunAsNode)) {
+  if (IsEnvSet(atom::kRunAsNode)) {
     base::i18n::InitializeICU();
     base::AtExitManager atexit_manager;
     return atom::NodeMain(argc, argv);
@@ -208,7 +195,7 @@ int main(int argc, char* argv[]) {
   FixStdioStreams();
 
 #if BUILDFLAG(ENABLE_RUN_AS_NODE)
-  if (IsEnvSet(kRunAsNode)) {
+  if (IsEnvSet(atom::kRunAsNode)) {
     return AtomInitializeICUandStartNode(argc, argv);
   }
 #endif

atom/app/atom_main_delegate.cc

@@ -47,6 +47,13 @@
 #include "atom/app/atom_main_delegate_mac.h"
 #endif
 
+#if defined(OS_WIN)
+#include "base/win/win_util.h"
+#if defined(_WIN64)
+#include "atom/common/crash_reporter/crash_reporter_win.h"
+#endif
+#endif
+
 namespace atom {
 
 namespace {
@@ -134,6 +141,10 @@ bool AtomMainDelegate::BasicStartupComplete(int* exit_code) {
 
   logging::LoggingSettings settings;
 #if defined(OS_WIN)
+#if defined(_WIN64)
+  crash_reporter::CrashReporterWin::SetUnhandledExceptionFilter();
+#endif
+
   // On Windows the terminal returns immediately, so we add a new line to
   // prevent output in the same line as the prompt.
   if (IsBrowserProcess(command_line))
@@ -145,10 +156,12 @@ bool AtomMainDelegate::BasicStartupComplete(int* exit_code) {
   settings.lock_log = logging::LOCK_LOG_FILE;
   settings.delete_old = logging::DELETE_OLD_LOG_FILE;
 #else
-  settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
+  settings.logging_dest =
+      logging::LOG_TO_SYSTEM_DEBUG_LOG | logging::LOG_TO_STDERR;
 #endif  // defined(DEBUG)
 #else   // defined(OS_WIN)
-  settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
+  settings.logging_dest =
+      logging::LOG_TO_SYSTEM_DEBUG_LOG | logging::LOG_TO_STDERR;
 #endif  // !defined(OS_WIN)
 
   // Only enable logging when --enable-logging is specified.
@@ -186,6 +199,9 @@ bool AtomMainDelegate::BasicStartupComplete(int* exit_code) {
   // Disable the ActiveVerifier, which is used by Chrome to track possible
   // bugs, but no use in Electron.
   base::win::DisableHandleVerifier();
+
+  if (IsBrowserProcess(command_line))
+    base::win::PinUser32();
 #endif
 
 #if defined(OS_LINUX)

atom/app/atom_main_delegate_mac.mm

@@ -14,6 +14,7 @@
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/path_service.h"
 #include "base/strings/sys_string_conversions.h"
+#include "content/common/mac_helpers.h"
 #include "content/public/common/content_paths.h"
 
 namespace atom {
@@ -26,10 +27,26 @@ base::FilePath GetFrameworksPath() {
 
 base::FilePath GetHelperAppPath(const base::FilePath& frameworks_path,
                                 const std::string& name) {
-  return frameworks_path.Append(name + " Helper.app")
+  // Figure out what helper we are running
+  base::FilePath path;
+  base::PathService::Get(base::FILE_EXE, &path);
+
+  std::string helper_name = "Helper";
+  if (base::EndsWith(path.value(), content::kMacHelperSuffix_renderer,
+                     base::CompareCase::SENSITIVE)) {
+    helper_name += content::kMacHelperSuffix_renderer;
+  } else if (base::EndsWith(path.value(), content::kMacHelperSuffix_gpu,
+                            base::CompareCase::SENSITIVE)) {
+    helper_name += content::kMacHelperSuffix_gpu;
+  } else if (base::EndsWith(path.value(), content::kMacHelperSuffix_plugin,
+                            base::CompareCase::SENSITIVE)) {
+    helper_name += content::kMacHelperSuffix_plugin;
+  }
+
+  return frameworks_path.Append(name + " " + helper_name + ".app")
       .Append("Contents")
       .Append("MacOS")
-      .Append(name + " Helper");
+      .Append(name + " " + helper_name);
 }
 
 }  // namespace

atom/app/manifests.cc

@@ -1,44 +1,65 @@
-// Copyright (c) 2019 GitHub, Inc.
-// Use of this source code is governed by the MIT license that can be
-// found in the LICENSE file.
-
-#include "atom/app/manifests.h"
-
-#include "base/no_destructor.h"
-#include "printing/buildflags/buildflags.h"
-#include "services/proxy_resolver/proxy_resolver_manifest.h"
-#include "services/service_manager/public/cpp/manifest_builder.h"
-
-#if BUILDFLAG(ENABLE_PRINTING)
-#include "components/services/pdf_compositor/pdf_compositor_manifest.h"
-#endif
-
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
-#include "chrome/services/printing/manifest.h"
-#endif
-
-const service_manager::Manifest& GetElectronContentBrowserOverlayManifest() {
-  static base::NoDestructor<service_manager::Manifest> manifest{
-      service_manager::ManifestBuilder()
-          .WithDisplayName("Electron (browser process)")
-          .RequireCapability("device", "device:geolocation_control")
-          .RequireCapability("proxy_resolver", "factory")
-          .RequireCapability("chrome_printing", "converter")
-          .RequireCapability("pdf_compositor", "compositor")
-          .Build()};
-  return *manifest;
-}
-
-const std::vector<service_manager::Manifest>&
-GetElectronPackagedServicesOverlayManifest() {
-  static base::NoDestructor<std::vector<service_manager::Manifest>> manifests{{
-      proxy_resolver::GetManifest(),
-#if BUILDFLAG(ENABLE_PRINTING)
-      pdf_compositor::GetManifest(),
-#endif
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
-      chrome_printing::GetManifest(),
-#endif
-  }};
-  return *manifests;
-}
+// Copyright (c) 2019 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/app/manifests.h"
+
+#include "base/no_destructor.h"
+#include "electron/atom/common/api/api.mojom.h"
+#include "printing/buildflags/buildflags.h"
+#include "services/proxy_resolver/public/cpp/manifest.h"
+#include "services/service_manager/public/cpp/manifest_builder.h"
+
+#if BUILDFLAG(ENABLE_PRINTING)
+#include "components/services/pdf_compositor/public/cpp/manifest.h"
+#endif
+
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#include "chrome/services/printing/public/cpp/manifest.h"
+#endif
+
+namespace {
+
+// TODO(https://crbug.com/781334): Remove these helpers and just update the
+// manifest definitions to be marked out-of-process. This is here only to avoid
+// extra churn when transitioning away from content_packaged_services.
+service_manager::Manifest MakeOutOfProcess(
+    const service_manager::Manifest& manifest) {
+  // cpplint.py emits a false positive [build/include_what_you_use]
+  service_manager::Manifest copy(manifest);  // NOLINT
+  copy.options.execution_mode =
+      service_manager::Manifest::ExecutionMode::kOutOfProcessBuiltin;
+  return copy;
+}
+
+}  // namespace
+
+const service_manager::Manifest& GetElectronContentBrowserOverlayManifest() {
+  static base::NoDestructor<service_manager::Manifest> manifest{
+      service_manager::ManifestBuilder()
+          .WithDisplayName("Electron (browser process)")
+          .RequireCapability("device", "device:geolocation_control")
+          .RequireCapability("proxy_resolver", "factory")
+          .RequireCapability("chrome_printing", "converter")
+          .RequireCapability("pdf_compositor", "compositor")
+          .ExposeInterfaceFilterCapability_Deprecated(
+              "navigation:frame", "renderer",
+              service_manager::Manifest::InterfaceList<
+                  atom::mojom::ElectronBrowser>())
+          .Build()};
+  return *manifest;
+}
+
+const std::vector<service_manager::Manifest>&
+GetElectronBuiltinServiceManifests() {
+  static base::NoDestructor<std::vector<service_manager::Manifest>> manifests{{
+      MakeOutOfProcess(proxy_resolver::GetManifest()),
+#if BUILDFLAG(ENABLE_PRINTING)
+      MakeOutOfProcess(printing::GetPdfCompositorManifest()),
+#endif
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
+      MakeOutOfProcess(GetChromePrintingManifest()),
+#endif
+  }};
+  return *manifests;
+}

atom/app/manifests.h

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

atom/app/node_main.cc

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

atom/browser/api/atom_api_app.cc

@@ -16,6 +16,7 @@
 #include "atom/browser/atom_paths.h"
 #include "atom/browser/login_handler.h"
 #include "atom/browser/relauncher.h"
+#include "atom/common/application_info.h"
 #include "atom/common/atom_command_line.h"
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/file_path_converter.h"
@@ -24,6 +25,7 @@
 #include "atom/common/native_mate_converters/net_converter.h"
 #include "atom/common/native_mate_converters/network_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "atom/common/options_switches.h"
 #include "base/command_line.h"
 #include "base/environment.h"
@@ -34,8 +36,8 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/icon_manager.h"
 #include "chrome/common/chrome_paths.h"
-#include "content/browser/gpu/compositor_util.h"
-#include "content/browser/gpu/gpu_data_manager_impl.h"
+#include "content/browser/gpu/compositor_util.h"        // nogncheck
+#include "content/browser/gpu/gpu_data_manager_impl.h"  // nogncheck
 #include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/browser/browser_child_process_host.h"
 #include "content/public/browser/child_process_data.h"
@@ -51,12 +53,6 @@
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/image/image.h"
 
-// clang-format off
-// This header should be declared at the end to avoid
-// redefinition errors.
-#include "atom/common/node_includes.h"  // NOLINT(build/include_alpha)
-// clang-format on
-
 #if defined(OS_WIN)
 #include "atom/browser/ui/win/jump_list.h"
 #include "base/strings/utf_string_conversions.h"
@@ -88,6 +84,7 @@ struct Converter<Browser::UserTask> {
       return false;
     dict.Get("arguments", &(out->arguments));
     dict.Get("description", &(out->description));
+    dict.Get("workingDirectory", &(out->working_dir));
     return true;
   }
 };
@@ -161,6 +158,7 @@ struct Converter<JumpListItem> {
 
         dict.Get("args", &(out->arguments));
         dict.Get("description", &(out->description));
+        dict.Get("workingDirectory", &(out->working_dir));
         return true;
 
       case JumpListItem::Type::SEPARATOR:
@@ -187,6 +185,7 @@ struct Converter<JumpListItem> {
         dict.Set("iconPath", val.icon_path);
         dict.Set("iconIndex", val.icon_index);
         dict.Set("description", val.description);
+        dict.Set("workingDirectory", val.working_dir);
         break;
 
       case JumpListItem::Type::SEPARATOR:
@@ -533,9 +532,9 @@ int ImportIntoCertStore(CertificateManagerModel* model,
 }
 #endif
 
-void OnIconDataAvailable(util::Promise promise, gfx::Image* icon) {
-  if (icon && !icon->IsEmpty()) {
-    promise.Resolve(*icon);
+void OnIconDataAvailable(util::Promise promise, gfx::Image icon) {
+  if (!icon.IsEmpty()) {
+    promise.Resolve(icon);
   } else {
     promise.RejectWithErrorMessage("Failed to get file icon.");
   }
@@ -676,7 +675,7 @@ void App::OnLogin(scoped_refptr<LoginHandler> login_handler,
   if (web_contents) {
     prevent_default = Emit(
         "login", WebContents::FromOrCreate(isolate(), web_contents),
-        request_details, login_handler->auth_info(),
+        request_details, *login_handler->auth_info(),
         base::Bind(&PassLoginInformation, base::RetainedRef(login_handler)));
   }
 
@@ -722,7 +721,7 @@ void App::AllowCertificateError(
     int cert_error,
     const net::SSLInfo& ssl_info,
     const GURL& request_url,
-    content::ResourceType resource_type,
+    bool is_main_frame_request,
     bool strict_enforcement,
     bool expired_previous_decision,
     const base::Callback<void(content::CertificateRequestResultType)>&
@@ -835,14 +834,41 @@ void App::SetAppPath(const base::FilePath& app_path) {
   app_path_ = app_path;
 }
 
+#if !defined(OS_MACOSX)
+void App::SetAppLogsPath(mate::Arguments* args) {
+  base::FilePath custom_path;
+  if (args->GetNext(&custom_path)) {
+    if (!custom_path.IsAbsolute()) {
+      args->ThrowError("Path must be absolute");
+      return;
+    }
+    base::PathService::Override(DIR_APP_LOGS, custom_path);
+  } else {
+    base::FilePath path;
+    if (base::PathService::Get(DIR_USER_DATA, &path)) {
+      path = path.Append(base::FilePath::FromUTF8Unsafe(GetApplicationName()));
+      path = path.Append(base::FilePath::FromUTF8Unsafe("logs"));
+      base::PathService::Override(DIR_APP_LOGS, path);
+    }
+  }
+}
+#endif
+
 base::FilePath App::GetPath(mate::Arguments* args, const std::string& name) {
   bool succeed = false;
   base::FilePath path;
   int key = GetPathConstant(name);
   if (key >= 0)
     succeed = base::PathService::Get(key, &path);
-  if (!succeed)
-    args->ThrowError("Failed to get '" + name + "' path");
+  if (!succeed) {
+    if (name == "logs") {
+      args->ThrowError("Failed to get '" + name +
+                       "' path: setAppLogsPath() must be called first.");
+    } else {
+      args->ThrowError("Failed to get '" + name + "' path");
+    }
+  }
+
   return path;
 }
 
@@ -1040,7 +1066,7 @@ Browser::LoginItemSettings App::GetLoginItemSettings(mate::Arguments* args) {
 
 #if defined(USE_NSS_CERTS)
 void App::ImportCertificate(const base::DictionaryValue& options,
-                            const net::CompletionCallback& callback) {
+                            net::CompletionRepeatingCallback callback) {
   auto browser_context = AtomBrowserContext::From("", false);
   if (!certificate_manager_model_) {
     auto copy = base::DictionaryValue::From(
@@ -1053,17 +1079,17 @@ void App::ImportCertificate(const base::DictionaryValue& options,
   }
 
   int rv = ImportIntoCertStore(certificate_manager_model_.get(), options);
-  callback.Run(rv);
+  std::move(callback).Run(rv);
 }
 
 void App::OnCertificateManagerModelCreated(
     std::unique_ptr<base::DictionaryValue> options,
-    const net::CompletionCallback& callback,
+    net::CompletionOnceCallback callback,
     std::unique_ptr<CertificateManagerModel> model) {
   certificate_manager_model_ = std::move(model);
   int rv =
       ImportIntoCertStore(certificate_manager_model_.get(), *(options.get()));
-  callback.Run(rv);
+  std::move(callback).Run(rv);
 }
 #endif
 
@@ -1155,6 +1181,7 @@ v8::Local<v8::Promise> App::GetFileIcon(const base::FilePath& path,
 
 std::vector<mate::Dictionary> App::GetAppMetrics(v8::Isolate* isolate) {
   std::vector<mate::Dictionary> result;
+  result.reserve(app_metrics_.size());
   int processor_count = base::SysInfo::NumberOfProcessors();
 
   for (const auto& process_metric : app_metrics_) {
@@ -1251,6 +1278,21 @@ void App::EnableSandbox(mate::Arguments* args) {
   command_line->AppendSwitch(switches::kEnableSandbox);
 }
 
+void App::SetUserAgentFallback(const std::string& user_agent) {
+  AtomBrowserClient::Get()->SetUserAgent(user_agent);
+}
+
+std::string App::GetUserAgentFallback() {
+  return AtomBrowserClient::Get()->GetUserAgent();
+}
+
+void App::SetBrowserClientCanUseCustomSiteInstance(bool should_disable) {
+  AtomBrowserClient::Get()->SetCanUseCustomSiteInstance(should_disable);
+}
+bool App::CanBrowserClientUseCustomSiteInstance() {
+  return AtomBrowserClient::Get()->CanUseCustomSiteInstance();
+}
+
 #if defined(OS_MACOSX)
 bool App::MoveToApplicationsFolder(mate::Arguments* args) {
   return ui::cocoa::AtomBundleMover::Move(args);
@@ -1259,6 +1301,49 @@ bool App::MoveToApplicationsFolder(mate::Arguments* args) {
 bool App::IsInApplicationsFolder() {
   return ui::cocoa::AtomBundleMover::IsCurrentAppInApplicationsFolder();
 }
+
+int DockBounce(mate::Arguments* args) {
+  int request_id = -1;
+  std::string type = "informational";
+  args->GetNext(&type);
+
+  if (type == "critical")
+    request_id = Browser::Get()->DockBounce(Browser::BOUNCE_CRITICAL);
+  else if (type == "informational")
+    request_id = Browser::Get()->DockBounce(Browser::BOUNCE_INFORMATIONAL);
+  return request_id;
+}
+
+void DockSetMenu(atom::api::Menu* menu) {
+  Browser::Get()->DockSetMenu(menu->model());
+}
+
+v8::Local<v8::Value> App::GetDockAPI(v8::Isolate* isolate) {
+  if (dock_.IsEmpty()) {
+    // Initialize the Dock API, the methods are bound to "dock" which exists
+    // for the lifetime of "app"
+    auto browser = base::Unretained(Browser::Get());
+    mate::Dictionary dock_obj = mate::Dictionary::CreateEmpty(isolate);
+    dock_obj.SetMethod("bounce", &DockBounce);
+    dock_obj.SetMethod("cancelBounce",
+                       base::Bind(&Browser::DockCancelBounce, browser));
+    dock_obj.SetMethod("downloadFinished",
+                       base::Bind(&Browser::DockDownloadFinished, browser));
+    dock_obj.SetMethod("setBadge",
+                       base::Bind(&Browser::DockSetBadgeText, browser));
+    dock_obj.SetMethod("getBadge",
+                       base::Bind(&Browser::DockGetBadgeText, browser));
+    dock_obj.SetMethod("hide", base::Bind(&Browser::DockHide, browser));
+    dock_obj.SetMethod("show", base::Bind(&Browser::DockShow, browser));
+    dock_obj.SetMethod("isVisible",
+                       base::Bind(&Browser::DockIsVisible, browser));
+    dock_obj.SetMethod("setMenu", &DockSetMenu);
+    dock_obj.SetMethod("setIcon", base::Bind(&Browser::DockSetIcon, browser));
+
+    dock_.Reset(isolate, dock_obj.GetHandle());
+  }
+  return v8::Local<v8::Value>::New(isolate, dock_);
+}
 #endif
 
 // static
@@ -1298,6 +1383,8 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getLoginItemSettings", &App::GetLoginItemSettings)
       .SetMethod("setLoginItemSettings",
                  base::Bind(&Browser::SetLoginItemSettings, browser))
+      .SetMethod("isEmojiPanelSupported",
+                 base::Bind(&Browser::IsEmojiPanelSupported, browser))
 #if defined(OS_MACOSX)
       .SetMethod("hide", base::Bind(&Browser::Hide, browser))
       .SetMethod("show", base::Bind(&Browser::Show, browser))
@@ -1319,6 +1406,13 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("showAboutPanel",
                  base::Bind(&Browser::ShowAboutPanel, browser))
 #endif
+#if defined(OS_MACOSX) || defined(OS_WIN)
+      .SetMethod("showEmojiPanel",
+                 base::Bind(&Browser::ShowEmojiPanel, browser))
+      .SetProperty("accessibilitySupportEnabled",
+                   &App::IsAccessibilitySupportEnabled,
+                   &App::SetAccessibilitySupportEnabled)
+#endif
 #if defined(OS_WIN)
       .SetMethod("setUserTasks", base::Bind(&Browser::SetUserTasks, browser))
       .SetMethod("getJumpListSettings", &App::GetJumpListSettings)
@@ -1332,6 +1426,7 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getAppPath", &App::GetAppPath)
       .SetMethod("setPath", &App::SetPath)
       .SetMethod("getPath", &App::GetPath)
+      .SetMethod("setAppLogsPath", &App::SetAppLogsPath)
       .SetMethod("setDesktopName", &App::SetDesktopName)
       .SetMethod("getLocale", &App::GetLocale)
       .SetMethod("getLocaleCountryCode", &App::GetLocaleCountryCode)
@@ -1342,9 +1437,9 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("requestSingleInstanceLock", &App::RequestSingleInstanceLock)
       .SetMethod("releaseSingleInstanceLock", &App::ReleaseSingleInstanceLock)
       .SetMethod("relaunch", &App::Relaunch)
-      .SetMethod("isAccessibilitySupportEnabled",
+      .SetMethod("_isAccessibilitySupportEnabled",
                  &App::IsAccessibilitySupportEnabled)
-      .SetMethod("setAccessibilitySupportEnabled",
+      .SetMethod("_setAccessibilitySupportEnabled",
                  &App::SetAccessibilitySupportEnabled)
       .SetMethod("disableHardwareAcceleration",
                  &App::DisableHardwareAcceleration)
@@ -1358,7 +1453,15 @@ void App::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("startAccessingSecurityScopedResource",
                  &App::StartAccessingSecurityScopedResource)
 #endif
-      .SetMethod("enableSandbox", &App::EnableSandbox);
+#if defined(OS_MACOSX)
+      .SetProperty("dock", &App::GetDockAPI)
+#endif
+      .SetProperty("userAgentFallback", &App::GetUserAgentFallback,
+                   &App::SetUserAgentFallback)
+      .SetMethod("enableSandbox", &App::EnableSandbox)
+      .SetProperty("allowRendererProcessReuse",
+                   &App::CanBrowserClientUseCustomSiteInstance,
+                   &App::SetBrowserClientCanUseCustomSiteInstance);
 }
 
 }  // namespace api
@@ -1367,21 +1470,6 @@ void App::BuildPrototype(v8::Isolate* isolate,
 
 namespace {
 
-#if defined(OS_MACOSX)
-int DockBounce(const std::string& type) {
-  int request_id = -1;
-  if (type == "critical")
-    request_id = Browser::Get()->DockBounce(Browser::BOUNCE_CRITICAL);
-  else if (type == "informational")
-    request_id = Browser::Get()->DockBounce(Browser::BOUNCE_INFORMATIONAL);
-  return request_id;
-}
-
-void DockSetMenu(atom::api::Menu* menu) {
-  Browser::Get()->DockSetMenu(menu->model());
-}
-#endif
-
 void Initialize(v8::Local<v8::Object> exports,
                 v8::Local<v8::Value> unused,
                 v8::Local<v8::Context> context,
@@ -1392,23 +1480,6 @@ void Initialize(v8::Local<v8::Object> exports,
                       ->GetFunction(context)
                       .ToLocalChecked());
   dict.Set("app", atom::api::App::Create(isolate));
-#if defined(OS_MACOSX)
-  auto browser = base::Unretained(Browser::Get());
-  dict.SetMethod("dockBounce", &DockBounce);
-  dict.SetMethod("dockCancelBounce",
-                 base::Bind(&Browser::DockCancelBounce, browser));
-  dict.SetMethod("dockDownloadFinished",
-                 base::Bind(&Browser::DockDownloadFinished, browser));
-  dict.SetMethod("dockSetBadgeText",
-                 base::Bind(&Browser::DockSetBadgeText, browser));
-  dict.SetMethod("dockGetBadgeText",
-                 base::Bind(&Browser::DockGetBadgeText, browser));
-  dict.SetMethod("dockHide", base::Bind(&Browser::DockHide, browser));
-  dict.SetMethod("dockShow", base::Bind(&Browser::DockShow, browser));
-  dict.SetMethod("dockIsVisible", base::Bind(&Browser::DockIsVisible, browser));
-  dict.SetMethod("dockSetMenu", &DockSetMenu);
-  dict.SetMethod("dockSetIcon", base::Bind(&Browser::DockSetIcon, browser));
-#endif
 }
 
 }  // namespace

atom/browser/api/atom_api_app.h

@@ -18,6 +18,7 @@
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/promise_util.h"
 #include "base/process/process_iterator.h"
+#include "base/process/process_metrics.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "chrome/browser/icon_manager.h"
 #include "chrome/browser/process_singleton.h"
@@ -26,7 +27,8 @@
 #include "content/public/browser/render_process_host.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/handle.h"
-#include "net/base/completion_callback.h"
+#include "net/base/completion_once_callback.h"
+#include "net/base/completion_repeating_callback.h"
 #include "net/ssl/client_cert_identity.h"
 
 #if defined(USE_NSS_CERTS)
@@ -77,7 +79,7 @@ class App : public AtomBrowserClient::Delegate,
 #if defined(USE_NSS_CERTS)
   void OnCertificateManagerModelCreated(
       std::unique_ptr<base::DictionaryValue> options,
-      const net::CompletionCallback& callback,
+      net::CompletionOnceCallback callback,
       std::unique_ptr<CertificateManagerModel> model);
 #endif
 
@@ -128,7 +130,7 @@ class App : public AtomBrowserClient::Delegate,
       int cert_error,
       const net::SSLInfo& ssl_info,
       const GURL& request_url,
-      content::ResourceType resource_type,
+      bool is_main_frame_request,
       bool strict_enforcement,
       bool expired_previous_decision,
       const base::Callback<void(content::CertificateRequestResultType)>&
@@ -174,6 +176,8 @@ class App : public AtomBrowserClient::Delegate,
   void ChildProcessLaunched(int process_type, base::ProcessHandle handle);
   void ChildProcessDisconnected(base::ProcessId pid);
 
+  void SetAppLogsPath(mate::Arguments* args);
+
   // Get/Set the pre-defined path in PathService.
   base::FilePath GetPath(mate::Arguments* args, const std::string& name);
   void SetPath(mate::Arguments* args,
@@ -196,7 +200,7 @@ class App : public AtomBrowserClient::Delegate,
   Browser::LoginItemSettings GetLoginItemSettings(mate::Arguments* args);
 #if defined(USE_NSS_CERTS)
   void ImportCertificate(const base::DictionaryValue& options,
-                         const net::CompletionCallback& callback);
+                         net::CompletionRepeatingCallback callback);
 #endif
   v8::Local<v8::Promise> GetFileIcon(const base::FilePath& path,
                                      mate::Arguments* args);
@@ -206,11 +210,18 @@ class App : public AtomBrowserClient::Delegate,
   v8::Local<v8::Promise> GetGPUInfo(v8::Isolate* isolate,
                                     const std::string& info_type);
   void EnableSandbox(mate::Arguments* args);
+  void SetUserAgentFallback(const std::string& user_agent);
+  std::string GetUserAgentFallback();
+  void SetBrowserClientCanUseCustomSiteInstance(bool should_disable);
+  bool CanBrowserClientUseCustomSiteInstance();
 
 #if defined(OS_MACOSX)
   bool MoveToApplicationsFolder(mate::Arguments* args);
   bool IsInApplicationsFolder();
+  v8::Local<v8::Value> GetDockAPI(v8::Isolate* isolate);
+  v8::Global<v8::Value> dock_;
 #endif
+
 #if defined(MAS_BUILD)
   base::Callback<void()> StartAccessingSecurityScopedResource(
       mate::Arguments* args);

atom/browser/api/atom_api_app_mac.mm

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

atom/browser/api/atom_api_auto_updater.cc

@@ -64,11 +64,17 @@ void AutoUpdater::OnError(const std::string& message,
   auto errorObject =
       error->ToObject(isolate()->GetCurrentContext()).ToLocalChecked();
 
+  auto context = isolate()->GetCurrentContext();
+
   // add two new params for better error handling
-  errorObject->Set(mate::StringToV8(isolate(), "code"),
-                   v8::Integer::New(isolate(), code));
-  errorObject->Set(mate::StringToV8(isolate(), "domain"),
-                   mate::StringToV8(isolate(), domain));
+  errorObject
+      ->Set(context, mate::StringToV8(isolate(), "code"),
+            v8::Integer::New(isolate(), code))
+      .Check();
+  errorObject
+      ->Set(context, mate::StringToV8(isolate(), "domain"),
+            mate::StringToV8(isolate(), domain))
+      .Check();
 
   mate::EmitEvent(isolate(), GetWrapper(), "error", errorObject, message);
 }

atom/browser/api/atom_api_browser_view.cc

@@ -37,6 +37,14 @@ struct Converter<atom::AutoResizeFlags> {
     if (params.Get("height", &height) && height) {
       flags |= atom::kAutoResizeHeight;
     }
+    bool horizontal = false;
+    if (params.Get("horizontal", &horizontal) && horizontal) {
+      flags |= atom::kAutoResizeHorizontal;
+    }
+    bool vertical = false;
+    if (params.Get("vertical", &vertical) && vertical) {
+      flags |= atom::kAutoResizeVertical;
+    }
 
     *auto_resize_flags = static_cast<atom::AutoResizeFlags>(flags);
     return true;

atom/browser/api/atom_api_browser_window.cc

@@ -15,18 +15,17 @@
 #include "atom/common/color_util.h"
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "atom/common/options_switches.h"
 #include "base/threading/thread_task_runner_handle.h"
-#include "content/browser/renderer_host/render_widget_host_impl.h"
-#include "content/browser/renderer_host/render_widget_host_owner_delegate.h"
+#include "content/browser/renderer_host/render_widget_host_impl.h"  // nogncheck
+#include "content/browser/renderer_host/render_widget_host_owner_delegate.h"  // nogncheck
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "gin/converter.h"
 #include "native_mate/dictionary.h"
 #include "ui/gl/gpu_switching_manager.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {

atom/browser/api/atom_api_content_tracing.cc

@@ -8,6 +8,7 @@
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/file_path_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "atom/common/promise_util.h"
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ -15,8 +16,6 @@
 #include "content/public/browser/tracing_controller.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
-
 using content::TracingController;
 
 namespace mate {
@@ -72,11 +71,6 @@ scoped_refptr<TracingController::TraceDataEndpoint> GetTraceDataEndpoint(
       result_file_path, base::Bind(callback, result_file_path));
 }
 
-void OnRecordingStopped(const atom::util::CopyablePromise& promise,
-                        const base::FilePath& path) {
-  promise.GetPromise().Resolve(path);
-}
-
 v8::Local<v8::Promise> StopRecording(v8::Isolate* isolate,
                                      const base::FilePath& path) {
   atom::util::Promise promise(isolate);
@@ -85,28 +79,22 @@ v8::Local<v8::Promise> StopRecording(v8::Isolate* isolate,
   // TODO(zcbenz): Remove the use of CopyablePromise when the
   // CreateFileEndpoint API accepts OnceCallback.
   TracingController::GetInstance()->StopTracing(GetTraceDataEndpoint(
-      path,
-      base::Bind(&OnRecordingStopped, atom::util::CopyablePromise(promise))));
+      path, base::Bind(atom::util::CopyablePromise::ResolveCopyablePromise<
+                           const base::FilePath&>,
+                       atom::util::CopyablePromise(promise))));
   return handle;
 }
 
-void OnCategoriesAvailable(atom::util::Promise promise,
-                           const std::set<std::string>& categories) {
-  promise.Resolve(categories);
-}
-
 v8::Local<v8::Promise> GetCategories(v8::Isolate* isolate) {
   atom::util::Promise promise(isolate);
   v8::Local<v8::Promise> handle = promise.GetHandle();
 
   // Note: This method always succeeds.
-  TracingController::GetInstance()->GetCategories(
-      base::BindOnce(&OnCategoriesAvailable, std::move(promise)));
-  return handle;
-}
+  TracingController::GetInstance()->GetCategories(base::BindOnce(
+      atom::util::Promise::ResolvePromise<const std::set<std::string>&>,
+      std::move(promise)));
 
-void OnTracingStarted(atom::util::Promise promise) {
-  promise.Resolve();
+  return handle;
 }
 
 v8::Local<v8::Promise> StartTracing(
@@ -117,14 +105,29 @@ v8::Local<v8::Promise> StartTracing(
 
   // Note: This method always succeeds.
   TracingController::GetInstance()->StartTracing(
-      trace_config, base::BindOnce(&OnTracingStarted, std::move(promise)));
+      trace_config, base::BindOnce(atom::util::Promise::ResolveEmptyPromise,
+                                   std::move(promise)));
   return handle;
 }
 
-bool GetTraceBufferUsage(
-    const base::RepeatingCallback<void(float, size_t)>& callback) {
-  return TracingController::GetInstance()->GetTraceBufferUsage(
-      base::BindOnce(callback));
+void OnTraceBufferUsageAvailable(atom::util::Promise promise,
+                                 float percent_full,
+                                 size_t approximate_count) {
+  mate::Dictionary dict = mate::Dictionary::CreateEmpty(promise.isolate());
+  dict.Set("percentage", percent_full);
+  dict.Set("value", approximate_count);
+
+  promise.Resolve(dict.GetHandle());
+}
+
+v8::Local<v8::Promise> GetTraceBufferUsage(v8::Isolate* isolate) {
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  // Note: This method always succeeds.
+  TracingController::GetInstance()->GetTraceBufferUsage(
+      base::BindOnce(&OnTraceBufferUsageAvailable, std::move(promise)));
+  return handle;
 }
 
 void Initialize(v8::Local<v8::Object> exports,

atom/browser/api/atom_api_cookies.cc

@@ -136,30 +136,11 @@ inline net::CookieStore* GetCookieStore(
   return getter->GetURLRequestContext()->cookie_store();
 }
 
-void ResolvePromiseWithCookies(util::Promise promise,
-                               const net::CookieList& cookie_list) {
-  promise.Resolve(cookie_list);
-}
-
-void ResolvePromise(util::Promise promise) {
-  promise.Resolve();
-}
-
-// Resolve |promise| in UI thread.
-void ResolvePromiseInUI(util::Promise promise) {
-  base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI},
-                           base::BindOnce(ResolvePromise, std::move(promise)));
-}
-
-// Run |callback| on UI thread.
-void RunCallbackInUI(base::OnceClosure callback) {
-  base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI}, std::move(callback));
-}
-
 // Remove cookies from |list| not matching |filter|, and pass it to |callback|.
 void FilterCookies(std::unique_ptr<base::DictionaryValue> filter,
                    util::Promise promise,
-                   const net::CookieList& list) {
+                   const net::CookieList& list,
+                   const net::CookieStatusList& excluded_list) {
   net::CookieList result;
   for (const auto& cookie : list) {
     if (MatchesCookie(filter.get(), cookie))
@@ -168,7 +149,8 @@ void FilterCookies(std::unique_ptr<base::DictionaryValue> filter,
 
   base::PostTaskWithTraits(
       FROM_HERE, {BrowserThread::UI},
-      base::BindOnce(ResolvePromiseWithCookies, std::move(promise), result));
+      base::BindOnce(util::Promise::ResolvePromise<const net::CookieList&>,
+                     std::move(promise), std::move(result)));
 }
 
 // Receives cookies matching |filter| in IO thread.
@@ -194,24 +176,59 @@ void RemoveCookieOnIO(scoped_refptr<net::URLRequestContextGetter> getter,
                       const GURL& url,
                       const std::string& name,
                       util::Promise promise) {
-  GetCookieStore(getter)->DeleteCookieAsync(
-      url, name, base::BindOnce(ResolvePromiseInUI, std::move(promise)));
-}
-
-// Resolves/rejects the |promise| in UI thread.
-void SettlePromiseInUI(util::Promise promise, const std::string& errmsg) {
-  if (errmsg.empty()) {
-    promise.Resolve();
-  } else {
-    promise.RejectWithErrorMessage(errmsg);
-  }
+  net::CookieDeletionInfo cookie_info;
+  cookie_info.url = url;
+  cookie_info.name = name;
+  GetCookieStore(getter)->DeleteAllMatchingInfoAsync(
+      std::move(cookie_info),
+      base::BindOnce(
+          [](util::Promise promise, uint32_t num_deleted) {
+            util::Promise::ResolveEmptyPromise(std::move(promise));
+          },
+          std::move(promise)));
 }
 
 // Callback of SetCookie.
-void OnSetCookie(util::Promise promise, bool success) {
-  const std::string errmsg = success ? "" : "Setting cookie failed";
-  RunCallbackInUI(
-      base::BindOnce(SettlePromiseInUI, std::move(promise), errmsg));
+void OnSetCookie(util::Promise promise,
+                 net::CanonicalCookie::CookieInclusionStatus status) {
+  std::string errmsg;
+  switch (status) {
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_HTTP_ONLY:
+      errmsg = "Failed to create httponly cookie";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_SECURE_ONLY:
+      errmsg = "Cannot create a secure cookie from an insecure URL";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_FAILURE_TO_STORE:
+      errmsg = "Failed to parse cookie";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_INVALID_DOMAIN:
+      errmsg = "Failed to get cookie domain";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::EXCLUDE_INVALID_PREFIX:
+      errmsg = "Failed because the cookie violated prefix rules.";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::
+        EXCLUDE_NONCOOKIEABLE_SCHEME:
+      errmsg = "Cannot set cookie for current scheme";
+      break;
+    case net::CanonicalCookie::CookieInclusionStatus::INCLUDE:
+      errmsg = "";
+      break;
+    default:
+      errmsg = "Setting cookie failed";
+      break;
+  }
+  if (errmsg.empty()) {
+    base::PostTaskWithTraits(
+        FROM_HERE, {BrowserThread::UI},
+        base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
+  } else {
+    base::PostTaskWithTraits(
+        FROM_HERE, {BrowserThread::UI},
+        base::BindOnce(util::Promise::RejectPromise, std::move(promise),
+                       std::move(errmsg)));
+  }
 }
 
 // Flushes cookie store in IO thread.
@@ -219,7 +236,7 @@ void FlushCookieStoreOnIOThread(
     scoped_refptr<net::URLRequestContextGetter> getter,
     util::Promise promise) {
   GetCookieStore(getter)->FlushStore(
-      base::BindOnce(ResolvePromiseInUI, std::move(promise)));
+      base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
 }
 
 // Sets cookie with |details| in IO thread.
@@ -261,29 +278,37 @@ void SetCookieOnIO(scoped_refptr<net::URLRequestContextGetter> getter,
                            : base::Time::FromDoubleT(last_access_date);
   }
 
-  auto completion_callback = base::BindOnce(OnSetCookie, std::move(promise));
   GURL url(url_string);
-  if (!url.is_valid()) {
-    std::move(completion_callback).Run(false);
-    return;
-  }
-
-  if (name.empty()) {
-    std::move(completion_callback).Run(false);
-    return;
-  }
-
   std::unique_ptr<net::CanonicalCookie> canonical_cookie(
       net::CanonicalCookie::CreateSanitizedCookie(
           url, name, value, domain, path, creation_time, expiration_time,
           last_access_time, secure, http_only,
-          net::CookieSameSite::DEFAULT_MODE, net::COOKIE_PRIORITY_DEFAULT));
+          net::CookieSameSite::NO_RESTRICTION, net::COOKIE_PRIORITY_DEFAULT));
+  auto completion_callback = base::BindOnce(OnSetCookie, std::move(promise));
   if (!canonical_cookie || !canonical_cookie->IsCanonical()) {
-    std::move(completion_callback).Run(false);
+    std::move(completion_callback)
+        .Run(net::CanonicalCookie::CookieInclusionStatus::
+                 EXCLUDE_FAILURE_TO_STORE);
     return;
   }
+  if (!url.is_valid()) {
+    std::move(completion_callback)
+        .Run(net::CanonicalCookie::CookieInclusionStatus::
+                 EXCLUDE_INVALID_DOMAIN);
+    return;
+  }
+  if (name.empty()) {
+    std::move(completion_callback)
+        .Run(net::CanonicalCookie::CookieInclusionStatus::
+                 EXCLUDE_FAILURE_TO_STORE);
+    return;
+  }
+  net::CookieOptions options;
+  if (http_only) {
+    options.set_include_httponly();
+  }
   GetCookieStore(getter)->SetCanonicalCookieAsync(
-      std::move(canonical_cookie), secure, http_only,
+      std::move(canonical_cookie), url.scheme(), options,
       std::move(completion_callback));
 }
 

atom/browser/api/atom_api_debugger.cc

@@ -10,14 +10,13 @@
 
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/web_contents.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
-
 using content::DevToolsAgentHost;
 
 namespace atom {
@@ -45,7 +44,8 @@ void Debugger::DispatchProtocolMessage(DevToolsAgentHost* agent_host,
   v8::Locker locker(isolate());
   v8::HandleScope handle_scope(isolate());
 
-  std::unique_ptr<base::Value> parsed_message = base::JSONReader::Read(message);
+  std::unique_ptr<base::Value> parsed_message =
+      base::JSONReader::ReadDeprecated(message);
   if (!parsed_message || !parsed_message->is_dict())
     return;
   base::DictionaryValue* dict =
@@ -205,4 +205,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_debugger, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_debugger, Initialize)

atom/browser/api/atom_api_desktop_capturer.cc

@@ -10,6 +10,7 @@
 
 #include "atom/common/api/atom_api_native_image.h"
 #include "atom/common/native_mate_converters/gfx_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
@@ -26,8 +27,6 @@
 #include "ui/display/win/display_info.h"
 #endif  // defined(OS_WIN)
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 
 template <>
@@ -133,11 +132,12 @@ bool DesktopCapturer::ShouldScheduleNextRefresh(DesktopMediaList* list) {
 }
 
 void DesktopCapturer::UpdateSourcesList(DesktopMediaList* list) {
-  std::vector<DesktopCapturer::Source> window_sources;
   if (capture_window_ &&
       list->GetMediaListType() == content::DesktopMediaID::TYPE_WINDOW) {
     capture_window_ = false;
     const auto& media_list_sources = list->GetSources();
+    std::vector<DesktopCapturer::Source> window_sources;
+    window_sources.reserve(media_list_sources.size());
     for (const auto& media_list_source : media_list_sources) {
       window_sources.emplace_back(DesktopCapturer::Source{
           media_list_source, std::string(), fetch_window_icons_});
@@ -146,11 +146,12 @@ void DesktopCapturer::UpdateSourcesList(DesktopMediaList* list) {
               std::back_inserter(captured_sources_));
   }
 
-  std::vector<DesktopCapturer::Source> screen_sources;
   if (capture_screen_ &&
       list->GetMediaListType() == content::DesktopMediaID::TYPE_SCREEN) {
     capture_screen_ = false;
     const auto& media_list_sources = list->GetSources();
+    std::vector<DesktopCapturer::Source> screen_sources;
+    screen_sources.reserve(media_list_sources.size());
     for (const auto& media_list_source : media_list_sources) {
       screen_sources.emplace_back(
           DesktopCapturer::Source{media_list_source, std::string()});
@@ -164,8 +165,12 @@ void DesktopCapturer::UpdateSourcesList(DesktopMediaList* list) {
       std::vector<std::string> device_names;
       // Crucially, this list of device names will be in the same order as
       // |media_list_sources|.
-      webrtc::DxgiDuplicatorController::Instance()->GetDeviceNames(
-          &device_names);
+      if (!webrtc::DxgiDuplicatorController::Instance()->GetDeviceNames(
+              &device_names)) {
+        Emit("error", "Failed to get sources.");
+        return;
+      }
+
       int device_name_index = 0;
       for (auto& source : screen_sources) {
         const auto& device_name = device_names[device_name_index++];
@@ -175,13 +180,13 @@ void DesktopCapturer::UpdateSourcesList(DesktopMediaList* list) {
         const int64_t device_id =
             display::win::DisplayInfo::DeviceIdFromDeviceName(
                 wide_device_name.c_str());
-        source.display_id = base::Int64ToString(device_id);
+        source.display_id = base::NumberToString(device_id);
       }
     }
 #elif defined(OS_MACOSX)
     // On Mac, the IDs across the APIs match.
     for (auto& source : screen_sources) {
-      source.display_id = base::Int64ToString(source.media_list_source.id.id);
+      source.display_id = base::NumberToString(source.media_list_source.id.id);
     }
 #endif  // defined(OS_WIN)
     // TODO(ajmacd): Add Linux support. The IDs across APIs differ but Chrome
@@ -221,9 +226,9 @@ void Initialize(v8::Local<v8::Object> exports,
                 void* priv) {
   v8::Isolate* isolate = context->GetIsolate();
   mate::Dictionary dict(isolate, exports);
-  dict.Set("desktopCapturer", atom::api::DesktopCapturer::Create(isolate));
+  dict.SetMethod("createDesktopCapturer", &atom::api::DesktopCapturer::Create);
 }
 
 }  // namespace
 
-NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_desktop_capturer, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_desktop_capturer, Initialize)

atom/browser/api/atom_api_dialog.cc

@@ -16,67 +16,97 @@
 #include "atom/common/native_mate_converters/file_path_converter.h"
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/net_converter.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "atom/common/promise_util.h"
+#include "native_mate/dictionary.h"
 
 namespace {
 
-void ShowMessageBox(int type,
-                    const std::vector<std::string>& buttons,
-                    int default_id,
-                    int cancel_id,
-                    int options,
-                    const std::string& title,
-                    const std::string& message,
-                    const std::string& detail,
-                    const std::string& checkbox_label,
-                    bool checkbox_checked,
-                    const gfx::ImageSkia& icon,
-                    atom::NativeWindow* window,
-                    mate::Arguments* args) {
-  v8::Local<v8::Value> peek = args->PeekNext();
-  atom::MessageBoxCallback callback;
-  if (mate::Converter<atom::MessageBoxCallback>::FromV8(args->isolate(), peek,
-                                                        &callback)) {
-    atom::ShowMessageBox(window, static_cast<atom::MessageBoxType>(type),
-                         buttons, default_id, cancel_id, options, title,
-                         message, detail, checkbox_label, checkbox_checked,
-                         icon, callback);
-  } else {
-    int chosen = atom::ShowMessageBox(
-        window, static_cast<atom::MessageBoxType>(type), buttons, default_id,
-        cancel_id, options, title, message, detail, icon);
-    args->Return(chosen);
-  }
+int ShowMessageBoxSync(int type,
+                       const std::vector<std::string>& buttons,
+                       int default_id,
+                       int cancel_id,
+                       int options,
+                       const std::string& title,
+                       const std::string& message,
+                       const std::string& detail,
+                       const std::string& checkbox_label,
+                       bool checkbox_checked,
+                       const gfx::ImageSkia& icon,
+                       atom::NativeWindow* window) {
+  return atom::ShowMessageBoxSync(
+      window, static_cast<atom::MessageBoxType>(type), buttons, default_id,
+      cancel_id, options, title, message, detail, icon);
 }
 
-void ShowOpenDialog(const file_dialog::DialogSettings& settings,
-                    mate::Arguments* args) {
-  v8::Local<v8::Value> peek = args->PeekNext();
-  file_dialog::OpenDialogCallback callback;
-  if (mate::Converter<file_dialog::OpenDialogCallback>::FromV8(
-          args->isolate(), peek, &callback)) {
-    file_dialog::ShowOpenDialog(settings, callback);
-  } else {
-    std::vector<base::FilePath> paths;
-    if (file_dialog::ShowOpenDialog(settings, &paths))
-      args->Return(paths);
-  }
+void ResolvePromiseObject(atom::util::Promise promise,
+                          int result,
+                          bool checkbox_checked) {
+  mate::Dictionary dict = mate::Dictionary::CreateEmpty(promise.isolate());
+
+  dict.Set("response", result);
+  dict.Set("checkboxChecked", checkbox_checked);
+
+  promise.Resolve(dict.GetHandle());
 }
 
-void ShowSaveDialog(const file_dialog::DialogSettings& settings,
-                    mate::Arguments* args) {
-  v8::Local<v8::Value> peek = args->PeekNext();
-  file_dialog::SaveDialogCallback callback;
-  if (mate::Converter<file_dialog::SaveDialogCallback>::FromV8(
-          args->isolate(), peek, &callback)) {
-    file_dialog::ShowSaveDialog(settings, callback);
-  } else {
-    base::FilePath path;
-    if (file_dialog::ShowSaveDialog(settings, &path))
-      args->Return(path);
-  }
+v8::Local<v8::Promise> ShowMessageBox(int type,
+                                      const std::vector<std::string>& buttons,
+                                      int default_id,
+                                      int cancel_id,
+                                      int options,
+                                      const std::string& title,
+                                      const std::string& message,
+                                      const std::string& detail,
+                                      const std::string& checkbox_label,
+                                      bool checkbox_checked,
+                                      const gfx::ImageSkia& icon,
+                                      atom::NativeWindow* window,
+                                      mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  atom::ShowMessageBox(
+      window, static_cast<atom::MessageBoxType>(type), buttons, default_id,
+      cancel_id, options, title, message, detail, checkbox_label,
+      checkbox_checked, icon,
+      base::BindOnce(&ResolvePromiseObject, std::move(promise)));
+
+  return handle;
+}
+
+void ShowOpenDialogSync(const file_dialog::DialogSettings& settings,
+                        mate::Arguments* args) {
+  std::vector<base::FilePath> paths;
+  if (file_dialog::ShowOpenDialogSync(settings, &paths))
+    args->Return(paths);
+}
+
+v8::Local<v8::Promise> ShowOpenDialog(
+    const file_dialog::DialogSettings& settings,
+    mate::Arguments* args) {
+  atom::util::Promise promise(args->isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+  file_dialog::ShowOpenDialog(settings, std::move(promise));
+  return handle;
+}
+
+void ShowSaveDialogSync(const file_dialog::DialogSettings& settings,
+                        mate::Arguments* args) {
+  base::FilePath path;
+  if (file_dialog::ShowSaveDialogSync(settings, &path))
+    args->Return(path);
+}
+
+v8::Local<v8::Promise> ShowSaveDialog(
+    const file_dialog::DialogSettings& settings,
+    mate::Arguments* args) {
+  atom::util::Promise promise(args->isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  file_dialog::ShowSaveDialog(settings, std::move(promise));
+  return handle;
 }
 
 void Initialize(v8::Local<v8::Object> exports,
@@ -84,9 +114,12 @@ void Initialize(v8::Local<v8::Object> exports,
                 v8::Local<v8::Context> context,
                 void* priv) {
   mate::Dictionary dict(context->GetIsolate(), exports);
+  dict.SetMethod("showMessageBoxSync", &ShowMessageBoxSync);
   dict.SetMethod("showMessageBox", &ShowMessageBox);
   dict.SetMethod("showErrorBox", &atom::ShowErrorBox);
+  dict.SetMethod("showOpenDialogSync", &ShowOpenDialogSync);
   dict.SetMethod("showOpenDialog", &ShowOpenDialog);
+  dict.SetMethod("showSaveDialogSync", &ShowSaveDialogSync);
   dict.SetMethod("showSaveDialog", &ShowSaveDialog);
 #if defined(OS_MACOSX) || defined(OS_WIN)
   dict.SetMethod("showCertificateTrustDialog",

atom/browser/api/atom_api_download_item.cc

@@ -11,13 +11,12 @@
 #include "atom/common/native_mate_converters/file_dialog_converter.h"
 #include "atom/common/native_mate_converters/file_path_converter.h"
 #include "atom/common/native_mate_converters/gurl_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "native_mate/dictionary.h"
 #include "net/base/filename_util.h"
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 
 template <>
@@ -251,4 +250,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_download_item, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_download_item, Initialize)

atom/browser/api/atom_api_event.cc

@@ -10,7 +10,7 @@ namespace {
 
 v8::Local<v8::Object> CreateWithSender(v8::Isolate* isolate,
                                        v8::Local<v8::Object> sender) {
-  return mate::internal::CreateJSEvent(isolate, sender, nullptr, nullptr);
+  return mate::internal::CreateJSEvent(isolate, sender, nullptr, base::nullopt);
 }
 
 void Initialize(v8::Local<v8::Object> exports,

atom/browser/api/atom_api_global_shortcut.cc

@@ -10,12 +10,11 @@
 #include "atom/browser/api/atom_api_system_preferences.h"
 #include "atom/common/native_mate_converters/accelerator_converter.h"
 #include "atom/common/native_mate_converters/callback.h"
+#include "atom/common/node_includes.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
-
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif

atom/browser/api/atom_api_in_app_purchase.cc

@@ -9,9 +9,8 @@
 #include <vector>
 
 #include "atom/common/native_mate_converters/callback.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
 
 namespace mate {
 
@@ -92,7 +91,7 @@ void InAppPurchase::BuildPrototype(v8::Isolate* isolate,
                  &in_app_purchase::FinishAllTransactions)
       .SetMethod("finishTransactionByDate",
                  &in_app_purchase::FinishTransactionByDate)
-      .SetMethod("getProducts", &in_app_purchase::GetProducts);
+      .SetMethod("getProducts", &InAppPurchase::GetProducts);
 }
 
 InAppPurchase::InAppPurchase(v8::Isolate* isolate) {
@@ -101,13 +100,37 @@ InAppPurchase::InAppPurchase(v8::Isolate* isolate) {
 
 InAppPurchase::~InAppPurchase() {}
 
-void InAppPurchase::PurchaseProduct(const std::string& product_id,
-                                    mate::Arguments* args) {
+v8::Local<v8::Promise> InAppPurchase::PurchaseProduct(
+    const std::string& product_id,
+    mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   int quantity = 1;
-  in_app_purchase::InAppPurchaseCallback callback;
   args->GetNext(&quantity);
-  args->GetNext(&callback);
-  in_app_purchase::PurchaseProduct(product_id, quantity, callback);
+
+  in_app_purchase::PurchaseProduct(
+      product_id, quantity,
+      base::BindOnce(atom::util::Promise::ResolvePromise<bool>,
+                     std::move(promise)));
+
+  return handle;
+}
+
+v8::Local<v8::Promise> InAppPurchase::GetProducts(
+    const std::vector<std::string>& productIDs,
+    mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  atom::util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  in_app_purchase::GetProducts(
+      productIDs, base::BindOnce(atom::util::Promise::ResolvePromise<
+                                     std::vector<in_app_purchase::Product>>,
+                                 std::move(promise)));
+
+  return handle;
 }
 
 void InAppPurchase::OnTransactionsUpdated(

atom/browser/api/atom_api_in_app_purchase.h

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

atom/browser/api/atom_api_menu.cc

@@ -9,12 +9,11 @@
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
+#include "atom/common/node_includes.h"
 #include "native_mate/constructor.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {
@@ -40,6 +39,7 @@ void Menu::AfterInit(v8::Isolate* isolate) {
   delegate.Get("isCommandIdChecked", &is_checked_);
   delegate.Get("isCommandIdEnabled", &is_enabled_);
   delegate.Get("isCommandIdVisible", &is_visible_);
+  delegate.Get("shouldCommandIdWorkWhenHidden", &works_when_hidden_);
   delegate.Get("getAcceleratorForCommandId", &get_accelerator_);
   delegate.Get("shouldRegisterAcceleratorForCommandId",
                &should_register_accelerator_);
@@ -65,6 +65,12 @@ bool Menu::IsCommandIdVisible(int command_id) const {
   return is_visible_.Run(GetWrapper(), command_id);
 }
 
+bool Menu::ShouldCommandIdWorkWhenHidden(int command_id) const {
+  v8::Locker locker(isolate());
+  v8::HandleScope handle_scope(isolate());
+  return works_when_hidden_.Run(GetWrapper(), command_id);
+}
+
 bool Menu::GetAcceleratorForCommandIdWithParams(
     int command_id,
     bool use_default_accelerator,
@@ -181,6 +187,10 @@ bool Menu::IsVisibleAt(int index) const {
   return model_->IsVisibleAt(index);
 }
 
+bool Menu::WorksWhenHiddenAt(int index) const {
+  return model_->WorksWhenHiddenAt(index);
+}
+
 void Menu::OnMenuWillClose() {
   Emit("menu-will-close");
 }
@@ -212,6 +222,7 @@ void Menu::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getAcceleratorTextAt", &Menu::GetAcceleratorTextAt)
       .SetMethod("isItemCheckedAt", &Menu::IsItemCheckedAt)
       .SetMethod("isEnabledAt", &Menu::IsEnabledAt)
+      .SetMethod("worksWhenHiddenAt", &Menu::WorksWhenHiddenAt)
       .SetMethod("isVisibleAt", &Menu::IsVisibleAt)
       .SetMethod("popupAt", &Menu::PopupAt)
       .SetMethod("closePopupAt", &Menu::ClosePopupAt);

atom/browser/api/atom_api_menu.h

@@ -11,7 +11,6 @@
 #include "atom/browser/api/atom_api_top_level_window.h"
 #include "atom/browser/api/trackable_object.h"
 #include "atom/browser/ui/atom_menu_model.h"
-#include "atom/common/api/locker.h"
 #include "base/callback.h"
 
 namespace atom {
@@ -48,6 +47,7 @@ class Menu : public mate::TrackableObject<Menu>,
   bool IsCommandIdChecked(int command_id) const override;
   bool IsCommandIdEnabled(int command_id) const override;
   bool IsCommandIdVisible(int command_id) const override;
+  bool ShouldCommandIdWorkWhenHidden(int command_id) const override;
   bool GetAcceleratorForCommandIdWithParams(
       int command_id,
       bool use_default_accelerator,
@@ -97,11 +97,13 @@ class Menu : public mate::TrackableObject<Menu>,
   bool IsItemCheckedAt(int index) const;
   bool IsEnabledAt(int index) const;
   bool IsVisibleAt(int index) const;
+  bool WorksWhenHiddenAt(int index) const;
 
   // Stored delegate methods.
   base::Callback<bool(v8::Local<v8::Value>, int)> is_checked_;
   base::Callback<bool(v8::Local<v8::Value>, int)> is_enabled_;
   base::Callback<bool(v8::Local<v8::Value>, int)> is_visible_;
+  base::Callback<bool(v8::Local<v8::Value>, int)> works_when_hidden_;
   base::Callback<v8::Local<v8::Value>(v8::Local<v8::Value>, int, bool)>
       get_accelerator_;
   base::Callback<bool(v8::Local<v8::Value>, int)> should_register_accelerator_;

atom/browser/api/atom_api_menu_mac.mm

@@ -6,6 +6,7 @@
 
 #include "atom/browser/native_window.h"
 #include "atom/browser/unresponsive_suppressor.h"
+#include "atom/common/node_includes.h"
 #include "base/mac/scoped_sending_event.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/sys_string_conversions.h"
@@ -14,8 +15,6 @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 
-#include "atom/common/node_includes.h"
-
 using content::BrowserThread;
 
 namespace {
@@ -54,18 +53,15 @@ void MenuMac::PopupOnUI(const base::WeakPtr<NativeWindow>& native_window,
                         int y,
                         int positioning_item,
                         base::Closure callback) {
-  mate::Locker locker(isolate());
-  v8::HandleScope handle_scope(isolate());
-
   if (!native_window)
     return;
   NSWindow* nswindow = native_window->GetNativeWindow().GetNativeNSWindow();
 
   auto close_callback = base::Bind(
       &MenuMac::OnClosed, weak_factory_.GetWeakPtr(), window_id, callback);
-  popup_controllers_[window_id] = base::scoped_nsobject<AtomMenuController>(
-      [[AtomMenuController alloc] initWithModel:model()
-                          useDefaultAccelerator:NO]);
+  popup_controllers_[window_id] = base::scoped_nsobject<AtomMenuController>([
+      [AtomMenuController alloc] initWithModel:model()
+                         useDefaultAccelerator:NO]);
   NSMenu* menu = [popup_controllers_[window_id] menu];
   NSView* view = [nswindow contentView];
 
@@ -139,9 +135,9 @@ void MenuMac::OnClosed(int32_t window_id, base::Closure callback) {
 // static
 void Menu::SetApplicationMenu(Menu* base_menu) {
   MenuMac* menu = static_cast<MenuMac*>(base_menu);
-  base::scoped_nsobject<AtomMenuController> menu_controller(
-      [[AtomMenuController alloc] initWithModel:menu->model_.get()
-                          useDefaultAccelerator:YES]);
+  base::scoped_nsobject<AtomMenuController> menu_controller([
+      [AtomMenuController alloc] initWithModel:menu->model_.get()
+                         useDefaultAccelerator:YES]);
 
   NSRunLoop* currentRunLoop = [NSRunLoop currentRunLoop];
   [currentRunLoop cancelPerformSelector:@selector(setMainMenu:)

atom/browser/api/atom_api_menu_views.cc

@@ -26,9 +26,6 @@ void MenuViews::PopupAt(TopLevelWindow* window,
                         int y,
                         int positioning_item,
                         const base::Closure& callback) {
-  mate::Locker locker(isolate());
-  v8::HandleScope handle_scope(isolate());
-
   auto* native_window = static_cast<NativeWindowViews*>(window->window());
   if (!native_window)
     return;
@@ -55,7 +52,7 @@ void MenuViews::PopupAt(TopLevelWindow* window,
       std::make_unique<MenuRunner>(model(), flags, close_callback);
   menu_runners_[window_id]->RunMenuAt(
       native_window->widget(), NULL, gfx::Rect(location, gfx::Size()),
-      views::MENU_ANCHOR_TOPLEFT, ui::MENU_SOURCE_MOUSE);
+      views::MenuAnchorPosition::kTopLeft, ui::MENU_SOURCE_MOUSE);
 }
 
 void MenuViews::ClosePopupAt(int32_t window_id) {

atom/browser/api/atom_api_net_log.cc

@@ -10,6 +10,7 @@
 #include "atom/browser/net/system_network_context_manager.h"
 #include "atom/common/native_mate_converters/callback.h"
 #include "atom/common/native_mate_converters/file_path_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
 #include "components/net_log/chrome_net_log.h"
@@ -18,8 +19,6 @@
 #include "native_mate/handle.h"
 #include "net/url_request/url_request_context_getter.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {
@@ -87,19 +86,18 @@ std::string NetLog::GetCurrentlyLoggingPath() const {
   return std::string();
 }
 
-void NetLog::StopLogging(mate::Arguments* args) {
-  net_log::NetExportFileWriter::FilePathCallback callback;
-  if (!args->GetNext(&callback)) {
-    args->ThrowError("Invalid callback function");
-    return;
-  }
+v8::Local<v8::Promise> NetLog::StopLogging(mate::Arguments* args) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
 
   if (IsCurrentlyLogging()) {
-    stop_callback_queue_.emplace_back(callback);
+    stop_callback_queue_.emplace_back(std::move(promise));
     net_log_writer_->StopNetLog(nullptr);
   } else {
-    callback.Run(base::FilePath());
+    promise.Resolve(base::FilePath());
   }
+
+  return handle;
 }
 
 void NetLog::OnNewState(const base::DictionaryValue& state) {
@@ -109,9 +107,12 @@ void NetLog::OnNewState(const base::DictionaryValue& state) {
     return;
 
   if (GetLoggingState() == "NOT_LOGGING") {
-    for (auto& callback : stop_callback_queue_) {
-      if (!callback.is_null())
-        net_log_writer_->GetFilePathToCompletedLog(callback);
+    for (auto& promise : stop_callback_queue_) {
+      // TODO(zcbenz): Remove the use of CopyablePromise when the
+      // GetFilePathToCompletedLog API accepts OnceCallback.
+      net_log_writer_->GetFilePathToCompletedLog(base::Bind(
+          util::CopyablePromise::ResolveCopyablePromise<const base::FilePath&>,
+          util::CopyablePromise(promise)));
     }
     stop_callback_queue_.clear();
   }

atom/browser/api/atom_api_net_log.h

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

atom/browser/api/atom_api_notification.cc

@@ -10,15 +10,13 @@
 #include "atom/common/native_mate_converters/gfx_converter.h"
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/guid.h"
 #include "base/strings/utf_string_conversions.h"
 #include "native_mate/constructor.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
 #include "url/gurl.h"
-// Must be the last in the includes list.
-// See https://github.com/electron/electron/issues/10363
-#include "atom/common/node_includes.h"
 
 namespace mate {
 template <>

atom/browser/api/atom_api_power_monitor.cc

@@ -6,12 +6,11 @@
 
 #include "atom/browser/browser.h"
 #include "atom/common/native_mate_converters/callback.h"
+#include "atom/common/node_includes.h"
 #include "base/power_monitor/power_monitor.h"
 #include "base/power_monitor/power_monitor_device_source.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 template <>
 struct Converter<ui::IdleState> {
@@ -84,8 +83,8 @@ void PowerMonitor::OnResume() {
   Emit("resume");
 }
 
-ui::IdleState PowerMonitor::QuerySystemIdleState(v8::Isolate* isolate,
-                                                 int idle_threshold) {
+ui::IdleState PowerMonitor::GetSystemIdleState(v8::Isolate* isolate,
+                                               int idle_threshold) {
   if (idle_threshold > 0) {
     return ui::CalculateIdleState(idle_threshold);
   } else {
@@ -95,7 +94,7 @@ ui::IdleState PowerMonitor::QuerySystemIdleState(v8::Isolate* isolate,
   }
 }
 
-int PowerMonitor::QuerySystemIdleTime() {
+int PowerMonitor::GetSystemIdleTime() {
   return ui::CalculateIdleTime();
 }
 
@@ -122,8 +121,8 @@ void PowerMonitor::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("blockShutdown", &PowerMonitor::BlockShutdown)
       .SetMethod("unblockShutdown", &PowerMonitor::UnblockShutdown)
 #endif
-      .SetMethod("_querySystemIdleState", &PowerMonitor::QuerySystemIdleState)
-      .SetMethod("_querySystemIdleTime", &PowerMonitor::QuerySystemIdleTime);
+      .SetMethod("getSystemIdleState", &PowerMonitor::GetSystemIdleState)
+      .SetMethod("getSystemIdleTime", &PowerMonitor::GetSystemIdleTime);
 }
 
 }  // namespace api

atom/browser/api/atom_api_power_monitor.h

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

atom/browser/api/atom_api_power_save_blocker.cc

@@ -6,6 +6,7 @@
 
 #include <string>
 
+#include "atom/common/node_includes.h"
 #include "base/task/post_task.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "content/public/common/service_manager_connection.h"
@@ -14,8 +15,6 @@
 #include "services/device/public/mojom/wake_lock_provider.mojom.h"
 #include "services/service_manager/public/cpp/connector.h"
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 
 template <>
@@ -151,4 +150,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_power_save_blocker, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_power_save_blocker, Initialize)

atom/browser/api/atom_api_protocol.cc

@@ -177,10 +177,6 @@ bool IsProtocolHandledInIO(
   return is_handled;
 }
 
-void PromiseCallback(util::Promise promise, bool handled) {
-  promise.Resolve(handled);
-}
-
 v8::Local<v8::Promise> Protocol::IsProtocolHandled(const std::string& scheme) {
   util::Promise promise(isolate());
   v8::Local<v8::Promise> handle = promise.GetHandle();
@@ -190,7 +186,7 @@ v8::Local<v8::Promise> Protocol::IsProtocolHandled(const std::string& scheme) {
   base::PostTaskWithTraitsAndReplyWithResult(
       FROM_HERE, {content::BrowserThread::IO},
       base::BindOnce(&IsProtocolHandledInIO, base::RetainedRef(getter), scheme),
-      base::BindOnce(&PromiseCallback, std::move(promise)));
+      base::BindOnce(util::Promise::ResolvePromise<bool>, std::move(promise)));
 
   return handle;
 }

atom/browser/api/atom_api_render_process_preferences.cc

@@ -7,12 +7,11 @@
 #include "atom/browser/api/atom_api_web_contents.h"
 #include "atom/browser/atom_browser_client.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "content/public/browser/render_process_host.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {

atom/browser/api/atom_api_screen.cc

@@ -10,6 +10,7 @@
 #include "atom/browser/api/atom_api_browser_window.h"
 #include "atom/browser/browser.h"
 #include "atom/common/native_mate_converters/gfx_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/bind.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
@@ -21,8 +22,6 @@
 #include "ui/display/win/screen_win.h"
 #endif
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {

atom/browser/api/atom_api_session.cc

@@ -28,6 +28,7 @@
 #include "atom/common/native_mate_converters/gurl_converter.h"
 #include "atom/common/native_mate_converters/net_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "base/files/file_path.h"
 #include "base/guid.h"
 #include "base/strings/string_number_conversions.h"
@@ -47,9 +48,8 @@
 #include "content/public/browser/storage_partition.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
+#include "net/base/completion_repeating_callback.h"
 #include "net/base/load_flags.h"
-#include "net/disk_cache/disk_cache.h"
-#include "net/dns/host_cache.h"
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_auth_preferences.h"
 #include "net/http/http_cache.h"
@@ -59,8 +59,6 @@
 #include "net/url_request/url_request_context_getter.h"
 #include "ui/base/l10n/l10n_util.h"
 
-#include "atom/common/node_includes.h"
-
 using content::BrowserThread;
 using content::StoragePartition;
 
@@ -210,63 +208,6 @@ const char kPersistPrefix[] = "persist:";
 // Referenced session objects.
 std::map<uint32_t, v8::Global<v8::Object>> g_sessions;
 
-// Runs the callback in UI thread.
-void RunCallbackInUI(const base::Callback<void()>& callback) {
-  base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI}, callback);
-}
-template <typename... T>
-void RunCallbackInUI(const base::Callback<void(T...)>& callback, T... result) {
-  base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI},
-                           base::BindOnce(callback, result...));
-}
-
-// Callback of HttpCache::GetBackend.
-void OnGetBackend(disk_cache::Backend** backend_ptr,
-                  Session::CacheAction action,
-                  const net::CompletionCallback& callback,
-                  int result) {
-  if (result != net::OK) {
-    RunCallbackInUI(callback, result);
-  } else if (backend_ptr && *backend_ptr) {
-    if (action == Session::CacheAction::CLEAR) {
-      (*backend_ptr)
-          ->DoomAllEntries(base::Bind(&RunCallbackInUI<int>, callback));
-    } else if (action == Session::CacheAction::STATS) {
-      base::StringPairs stats;
-      (*backend_ptr)->GetStats(&stats);
-      for (const auto& stat : stats) {
-        if (stat.first == "Current size") {
-          int current_size;
-          base::StringToInt(stat.second, &current_size);
-          RunCallbackInUI(callback, current_size);
-          break;
-        }
-      }
-    }
-  } else {
-    RunCallbackInUI<int>(callback, net::ERR_FAILED);
-  }
-}
-
-void DoCacheActionInIO(
-    const scoped_refptr<net::URLRequestContextGetter>& context_getter,
-    Session::CacheAction action,
-    const net::CompletionCallback& callback) {
-  auto* request_context = context_getter->GetURLRequestContext();
-  auto* http_cache = request_context->http_transaction_factory()->GetCache();
-  if (!http_cache)
-    RunCallbackInUI<int>(callback, net::ERR_FAILED);
-
-  // Call GetBackend and make the backend's ptr accessable in OnGetBackend.
-  using BackendPtr = disk_cache::Backend*;
-  auto** backend_ptr = new BackendPtr(nullptr);
-  net::CompletionCallback on_get_backend =
-      base::Bind(&OnGetBackend, base::Owned(backend_ptr), action, callback);
-  int rv = http_cache->GetBackend(backend_ptr, on_get_backend);
-  if (rv != net::ERR_IO_PENDING)
-    on_get_backend.Run(net::OK);
-}
-
 void SetCertVerifyProcInIO(
     const scoped_refptr<net::URLRequestContextGetter>& context_getter,
     const AtomCertVerifier::VerifyProc& proc) {
@@ -277,21 +218,22 @@ void SetCertVerifyProcInIO(
 
 void ClearHostResolverCacheInIO(
     const scoped_refptr<net::URLRequestContextGetter>& context_getter,
-    const base::Closure& callback) {
+    util::Promise promise) {
   auto* request_context = context_getter->GetURLRequestContext();
   auto* cache = request_context->host_resolver()->GetHostCache();
   if (cache) {
     cache->clear();
     DCHECK_EQ(0u, cache->size());
-    if (!callback.is_null())
-      RunCallbackInUI(callback);
+    base::PostTaskWithTraits(
+        FROM_HERE, {BrowserThread::UI},
+        base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
   }
 }
 
 void ClearAuthCacheInIO(
     const scoped_refptr<net::URLRequestContextGetter>& context_getter,
     const ClearAuthCacheOptions& options,
-    const base::Closure& callback) {
+    util::Promise promise) {
   auto* request_context = context_getter->GetURLRequestContext();
   auto* network_session =
       request_context->http_transaction_factory()->GetSession();
@@ -311,8 +253,9 @@ void ClearAuthCacheInIO(
     }
     network_session->CloseAllConnections();
   }
-  if (!callback.is_null())
-    RunCallbackInUI(callback);
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::UI},
+      base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
 }
 
 void AllowNTLMCredentialsForDomainsInIO(
@@ -328,11 +271,6 @@ void AllowNTLMCredentialsForDomainsInIO(
   }
 }
 
-void OnClearStorageDataDone(const base::Closure& callback) {
-  if (!callback.is_null())
-    callback.Run();
-}
-
 void DownloadIdCallback(content::DownloadManager* download_manager,
                         const base::FilePath& path,
                         const std::vector<GURL>& url_chain,
@@ -345,8 +283,8 @@ void DownloadIdCallback(content::DownloadManager* download_manager,
                         uint32_t id) {
   download_manager->CreateDownloadItem(
       base::GenerateGUID(), id, path, path, url_chain, GURL(), GURL(), GURL(),
-      GURL(), mime_type, mime_type, start_time, base::Time(), etag,
-      last_modified, offset, length, std::string(),
+      GURL(), base::nullopt, mime_type, mime_type, start_time, base::Time(),
+      etag, last_modified, offset, length, std::string(),
       download::DownloadItem::INTERRUPTED,
       download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
       download::DOWNLOAD_INTERRUPT_REASON_NETWORK_TIMEOUT, false, base::Time(),
@@ -359,8 +297,9 @@ void DestroyGlobalHandle(v8::Isolate* isolate,
   v8::HandleScope handle_scope(isolate);
   if (!global_handle.IsEmpty()) {
     v8::Local<v8::Value> local_handle = global_handle.Get(isolate);
-    if (local_handle->IsObject()) {
-      v8::Local<v8::Object> object = local_handle->ToObject(isolate);
+    v8::Local<v8::Object> object;
+    if (local_handle->IsObject() &&
+        local_handle->ToObject(isolate->GetCurrentContext()).ToLocal(&object)) {
       void* ptr = object->GetAlignedPointerFromInternalField(0);
       if (!ptr)
         return;
@@ -414,38 +353,66 @@ void Session::OnDownloadCreated(content::DownloadManager* manager,
   }
 }
 
-void Session::ResolveProxy(
-    const GURL& url,
-    const ResolveProxyHelper::ResolveProxyCallback& callback) {
-  browser_context_->GetResolveProxyHelper()->ResolveProxy(url, callback);
+v8::Local<v8::Promise> Session::ResolveProxy(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  GURL url;
+  args->GetNext(&url);
+
+  browser_context_->GetResolveProxyHelper()->ResolveProxy(
+      url,
+      base::Bind(util::CopyablePromise::ResolveCopyablePromise<std::string>,
+                 util::CopyablePromise(promise)));
+
+  return handle;
 }
 
-void Session::GetCacheSize(const net::CompletionCallback& callback) {
+v8::Local<v8::Promise> Session::GetCacheSize() {
+  auto* isolate = v8::Isolate::GetCurrent();
+  auto promise = util::Promise(isolate);
+  auto handle = promise.GetHandle();
+
   content::BrowserContext::GetDefaultStoragePartition(browser_context_.get())
       ->GetNetworkContext()
-      ->ComputeHttpCacheSize(
-          base::Time(), base::Time::Max(),
-          base::BindOnce(
-              [](const net::CompletionCallback& cb, bool is_upper_bound,
-                 int64_t size_or_error) { cb.Run(size_or_error); },
-              callback));
+      ->ComputeHttpCacheSize(base::Time(), base::Time::Max(),
+                             base::BindOnce(
+                                 [](util::Promise promise, bool is_upper_bound,
+                                    int64_t size_or_error) {
+                                   if (size_or_error < 0) {
+                                     promise.RejectWithErrorMessage(
+                                         net::ErrorToString(size_or_error));
+                                   } else {
+                                     promise.Resolve(size_or_error);
+                                   }
+                                 },
+                                 std::move(promise)));
+
+  return handle;
 }
 
-template <Session::CacheAction action>
-void Session::DoCacheAction(const net::CompletionCallback& callback) {
-  base::PostTaskWithTraits(
-      FROM_HERE, {BrowserThread::IO},
-      base::BindOnce(&DoCacheActionInIO,
-                     WrapRefCounted(browser_context_->GetRequestContext()),
-                     action, callback));
+v8::Local<v8::Promise> Session::ClearCache() {
+  auto* isolate = v8::Isolate::GetCurrent();
+  auto promise = util::Promise(isolate);
+  auto handle = promise.GetHandle();
+
+  content::BrowserContext::GetDefaultStoragePartition(browser_context_.get())
+      ->GetNetworkContext()
+      ->ClearHttpCache(base::Time(), base::Time::Max(), nullptr,
+                       base::BindOnce(util::Promise::ResolveEmptyPromise,
+                                      std::move(promise)));
+
+  return handle;
 }
 
-void Session::ClearStorageData(mate::Arguments* args) {
-  // clearStorageData([options, callback])
+v8::Local<v8::Promise> Session::ClearStorageData(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   ClearStorageDataOptions options;
-  base::Closure callback;
   args->GetNext(&options);
-  args->GetNext(&callback);
 
   auto* storage_partition =
       content::BrowserContext::GetStoragePartition(browser_context(), nullptr);
@@ -454,9 +421,13 @@ void Session::ClearStorageData(mate::Arguments* args) {
     // https://w3c.github.io/mediacapture-main/#dom-mediadeviceinfo-deviceid
     MediaDeviceIDSalt::Reset(browser_context()->prefs());
   }
-  storage_partition->ClearData(options.storage_types, options.quota_types,
-                               options.origin, base::Time(), base::Time::Max(),
-                               base::Bind(&OnClearStorageDataDone, callback));
+
+  storage_partition->ClearData(
+      options.storage_types, options.quota_types, options.origin, base::Time(),
+      base::Time::Max(),
+      base::Bind(util::CopyablePromise::ResolveEmptyCopyablePromise,
+                 util::CopyablePromise(promise)));
+  return handle;
 }
 
 void Session::FlushStorageData() {
@@ -465,11 +436,17 @@ void Session::FlushStorageData() {
   storage_partition->Flush();
 }
 
-void Session::SetProxy(const mate::Dictionary& options,
-                       const base::Closure& callback) {
+v8::Local<v8::Promise> Session::SetProxy(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  mate::Dictionary options;
+  args->GetNext(&options);
+
   if (!browser_context_->in_memory_pref_store()) {
-    callback.Run();
-    return;
+    promise.Resolve();
+    return handle;
   }
 
   std::string proxy_rules, bypass_list, pac_url;
@@ -493,7 +470,11 @@ void Session::SetProxy(const mate::Dictionary& options,
         WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
   }
 
-  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE,
+      base::BindOnce(util::Promise::ResolveEmptyPromise, std::move(promise)));
+
+  return handle;
 }
 
 void Session::SetDownloadPath(const base::FilePath& path) {
@@ -553,14 +534,33 @@ void Session::SetCertVerifyProc(v8::Local<v8::Value> val,
 
 void Session::SetPermissionRequestHandler(v8::Local<v8::Value> val,
                                           mate::Arguments* args) {
-  AtomPermissionManager::RequestHandler handler;
-  if (!(val->IsNull() || mate::ConvertFromV8(args->isolate(), val, &handler))) {
+  auto* permission_manager = static_cast<AtomPermissionManager*>(
+      browser_context()->GetPermissionControllerDelegate());
+  if (val->IsNull()) {
+    permission_manager->SetPermissionRequestHandler(
+        AtomPermissionManager::RequestHandler());
+    return;
+  }
+  using StatusCallback =
+      base::RepeatingCallback<void(blink::mojom::PermissionStatus)>;
+  using RequestHandler =
+      base::Callback<void(content::WebContents*, content::PermissionType,
+                          StatusCallback, const base::Value&)>;
+  auto handler = std::make_unique<RequestHandler>();
+  if (!mate::ConvertFromV8(args->isolate(), val, handler.get())) {
     args->ThrowError("Must pass null or function");
     return;
   }
-  auto* permission_manager = static_cast<AtomPermissionManager*>(
-      browser_context()->GetPermissionControllerDelegate());
-  permission_manager->SetPermissionRequestHandler(handler);
+  permission_manager->SetPermissionRequestHandler(base::BindRepeating(
+      [](RequestHandler* handler, content::WebContents* web_contents,
+         content::PermissionType permission_type,
+         AtomPermissionManager::StatusCallback callback,
+         const base::Value& details) {
+        handler->Run(web_contents, permission_type,
+                     base::AdaptCallbackForRepeating(std::move(callback)),
+                     details);
+      },
+      base::Owned(std::move(handler))));
 }
 
 void Session::SetPermissionCheckHandler(v8::Local<v8::Value> val,
@@ -575,31 +575,36 @@ void Session::SetPermissionCheckHandler(v8::Local<v8::Value> val,
   permission_manager->SetPermissionCheckHandler(handler);
 }
 
-void Session::ClearHostResolverCache(mate::Arguments* args) {
-  base::Closure callback;
-  args->GetNext(&callback);
+v8::Local<v8::Promise> Session::ClearHostResolverCache(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
 
   base::PostTaskWithTraits(
       FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&ClearHostResolverCacheInIO,
                      WrapRefCounted(browser_context_->GetRequestContext()),
-                     callback));
+                     std::move(promise)));
+  return handle;
 }
 
-void Session::ClearAuthCache(mate::Arguments* args) {
+v8::Local<v8::Promise> Session::ClearAuthCache(mate::Arguments* args) {
+  v8::Isolate* isolate = args->isolate();
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
   ClearAuthCacheOptions options;
   if (!args->GetNext(&options)) {
-    args->ThrowError("Must specify options object");
-    return;
+    promise.RejectWithErrorMessage("Must specify options object");
+    return handle;
   }
-  base::Closure callback;
-  args->GetNext(&callback);
 
   base::PostTaskWithTraits(
       FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&ClearAuthCacheInIO,
                      WrapRefCounted(browser_context_->GetRequestContext()),
-                     options, callback));
+                     options, std::move(promise)));
+  return handle;
 }
 
 void Session::AllowNTLMCredentialsForDomains(const std::string& domains) {
@@ -628,16 +633,17 @@ std::string Session::GetUserAgent() {
   return browser_context_->GetUserAgent();
 }
 
-void Session::GetBlobData(const std::string& uuid,
-                          const AtomBlobReader::CompletionCallback& callback) {
-  if (callback.is_null())
-    return;
+v8::Local<v8::Promise> Session::GetBlobData(v8::Isolate* isolate,
+                                            const std::string& uuid) {
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
 
   AtomBlobReader* blob_reader = browser_context()->GetBlobReader();
   base::PostTaskWithTraits(
       FROM_HERE, {BrowserThread::IO},
       base::BindOnce(&AtomBlobReader::StartReading,
-                     base::Unretained(blob_reader), uuid, callback));
+                     base::Unretained(blob_reader), uuid, std::move(promise)));
+  return handle;
 }
 
 void Session::CreateInterruptedDownload(const mate::Dictionary& options) {
@@ -760,7 +766,7 @@ void Session::BuildPrototype(v8::Isolate* isolate,
       .MakeDestroyable()
       .SetMethod("resolveProxy", &Session::ResolveProxy)
       .SetMethod("getCacheSize", &Session::GetCacheSize)
-      .SetMethod("clearCache", &Session::DoCacheAction<CacheAction::CLEAR>)
+      .SetMethod("clearCache", &Session::ClearCache)
       .SetMethod("clearStorageData", &Session::ClearStorageData)
       .SetMethod("flushStorageData", &Session::FlushStorageData)
       .SetMethod("setProxy", &Session::SetProxy)
@@ -796,6 +802,7 @@ void Session::BuildPrototype(v8::Isolate* isolate,
 namespace {
 
 using atom::api::Cookies;
+using atom::api::NetLog;
 using atom::api::Protocol;
 using atom::api::Session;
 
@@ -822,6 +829,9 @@ void Initialize(v8::Local<v8::Object> exports,
   dict.Set(
       "Cookies",
       Cookies::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
+  dict.Set(
+      "NetLog",
+      NetLog::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());
   dict.Set(
       "Protocol",
       Protocol::GetConstructor(isolate)->GetFunction(context).ToLocalChecked());

atom/browser/api/atom_api_session.h

@@ -11,10 +11,10 @@
 #include "atom/browser/api/trackable_object.h"
 #include "atom/browser/atom_blob_reader.h"
 #include "atom/browser/net/resolve_proxy_helper.h"
+#include "atom/common/promise_util.h"
 #include "base/values.h"
 #include "content/public/browser/download_manager.h"
 #include "native_mate/handle.h"
-#include "net/base/completion_callback.h"
 
 class GURL;
 
@@ -62,14 +62,12 @@ class Session : public mate::TrackableObject<Session>,
                              v8::Local<v8::FunctionTemplate> prototype);
 
   // Methods.
-  void ResolveProxy(const GURL& url,
-                    const ResolveProxyHelper::ResolveProxyCallback& callback);
-  template <CacheAction action>
-  void DoCacheAction(const net::CompletionCallback& callback);
-  void GetCacheSize(const net::CompletionCallback& callback);
-  void ClearStorageData(mate::Arguments* args);
+  v8::Local<v8::Promise> ResolveProxy(mate::Arguments* args);
+  v8::Local<v8::Promise> GetCacheSize();
+  v8::Local<v8::Promise> ClearCache();
+  v8::Local<v8::Promise> ClearStorageData(mate::Arguments* args);
   void FlushStorageData();
-  void SetProxy(const mate::Dictionary& options, const base::Closure& callback);
+  v8::Local<v8::Promise> SetProxy(mate::Arguments* args);
   void SetDownloadPath(const base::FilePath& path);
   void EnableNetworkEmulation(const mate::Dictionary& options);
   void DisableNetworkEmulation();
@@ -78,13 +76,13 @@ class Session : public mate::TrackableObject<Session>,
                                    mate::Arguments* args);
   void SetPermissionCheckHandler(v8::Local<v8::Value> val,
                                  mate::Arguments* args);
-  void ClearHostResolverCache(mate::Arguments* args);
-  void ClearAuthCache(mate::Arguments* args);
+  v8::Local<v8::Promise> ClearHostResolverCache(mate::Arguments* args);
+  v8::Local<v8::Promise> ClearAuthCache(mate::Arguments* args);
   void AllowNTLMCredentialsForDomains(const std::string& domains);
   void SetUserAgent(const std::string& user_agent, mate::Arguments* args);
   std::string GetUserAgent();
-  void GetBlobData(const std::string& uuid,
-                   const AtomBlobReader::CompletionCallback& callback);
+  v8::Local<v8::Promise> GetBlobData(v8::Isolate* isolate,
+                                     const std::string& uuid);
   void CreateInterruptedDownload(const mate::Dictionary& options);
   void SetPreloads(const std::vector<base::FilePath::StringType>& preloads);
   std::vector<base::FilePath::StringType> GetPreloads() const;

atom/browser/api/atom_api_system_preferences.cc

@@ -8,6 +8,7 @@
 #include "atom/common/native_mate_converters/value_converter.h"
 #include "atom/common/node_includes.h"
 #include "native_mate/dictionary.h"
+#include "ui/gfx/animation/animation.h"
 #include "ui/gfx/color_utils.h"
 
 namespace atom {
@@ -43,6 +44,19 @@ bool SystemPreferences::IsHighContrastColorScheme() {
 }
 #endif  // !defined(OS_WIN)
 
+v8::Local<v8::Value> SystemPreferences::GetAnimationSettings(
+    v8::Isolate* isolate) {
+  mate::Dictionary dict = mate::Dictionary::CreateEmpty(isolate);
+  dict.SetHidden("simple", true);
+  dict.Set("shouldRenderRichAnimation",
+           gfx::Animation::ShouldRenderRichAnimation());
+  dict.Set("scrollAnimationsEnabledBySystem",
+           gfx::Animation::ScrollAnimationsEnabledBySystem());
+  dict.Set("prefersReducedMotion", gfx::Animation::PrefersReducedMotion());
+
+  return dict.GetHandle();
+}
+
 // static
 mate::Handle<SystemPreferences> SystemPreferences::Create(
     v8::Isolate* isolate) {
@@ -93,6 +107,8 @@ void SystemPreferences::BuildPrototype(
       .SetMethod("setAppLevelAppearance",
                  &SystemPreferences::SetAppLevelAppearance)
       .SetMethod("getSystemColor", &SystemPreferences::GetSystemColor)
+      .SetMethod("canPromptTouchID", &SystemPreferences::CanPromptTouchID)
+      .SetMethod("promptTouchID", &SystemPreferences::PromptTouchID)
       .SetMethod("isTrustedAccessibilityClient",
                  &SystemPreferences::IsTrustedAccessibilityClient)
       .SetMethod("getMediaAccessStatus",
@@ -103,7 +119,9 @@ void SystemPreferences::BuildPrototype(
                  &SystemPreferences::IsInvertedColorScheme)
       .SetMethod("isHighContrastColorScheme",
                  &SystemPreferences::IsHighContrastColorScheme)
-      .SetMethod("isDarkMode", &SystemPreferences::IsDarkMode);
+      .SetMethod("isDarkMode", &SystemPreferences::IsDarkMode)
+      .SetMethod("getAnimationSettings",
+                 &SystemPreferences::GetAnimationSettings);
 }
 
 }  // namespace api
@@ -128,4 +146,4 @@ void Initialize(v8::Local<v8::Object> exports,
 
 }  // namespace
 
-NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_system_preferences, Initialize);
+NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_system_preferences, Initialize)

atom/browser/api/atom_api_system_preferences.h

@@ -95,6 +95,10 @@ class SystemPreferences : public mate::EventEmitter<SystemPreferences>
 
   std::string GetSystemColor(const std::string& color, mate::Arguments* args);
 
+  bool CanPromptTouchID();
+  v8::Local<v8::Promise> PromptTouchID(v8::Isolate* isolate,
+                                       const std::string& reason);
+
   static bool IsTrustedAccessibilityClient(bool prompt);
 
   // TODO(codebytere): Write tests for these methods once we
@@ -113,6 +117,7 @@ class SystemPreferences : public mate::EventEmitter<SystemPreferences>
   bool IsDarkMode();
   bool IsInvertedColorScheme();
   bool IsHighContrastColorScheme();
+  v8::Local<v8::Value> GetAnimationSettings(v8::Isolate* isolate);
 
  protected:
   explicit SystemPreferences(v8::Isolate* isolate);

atom/browser/api/atom_api_system_preferences_mac.mm

@@ -8,15 +8,20 @@
 
 #import <AVFoundation/AVFoundation.h>
 #import <Cocoa/Cocoa.h>
+#import <LocalAuthentication/LocalAuthentication.h>
+#import <Security/Security.h>
 
 #include "atom/browser/mac/atom_application.h"
 #include "atom/browser/mac/dict_util.h"
 #include "atom/browser/ui/cocoa/NSColor+Hex.h"
 #include "atom/common/native_mate_converters/gurl_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "base/mac/scoped_cftyperef.h"
 #include "base/mac/sdk_forward_declarations.h"
+#include "base/sequenced_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
+#include "base/threading/sequenced_task_runner_handle.h"
 #include "base/values.h"
 #include "native_mate/object_template_builder.h"
 #include "net/base/mac/url_conversions.h"
@@ -419,6 +424,69 @@ std::string SystemPreferences::GetSystemColor(const std::string& color,
   return base::SysNSStringToUTF8([sysColor hexadecimalValue]);
 }
 
+bool SystemPreferences::CanPromptTouchID() {
+  if (@available(macOS 10.12.2, *)) {
+    base::scoped_nsobject<LAContext> context([[LAContext alloc] init]);
+    if (![context
+            canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics
+                        error:nil])
+      return false;
+    if (@available(macOS 10.13.2, *))
+      return [context biometryType] == LABiometryTypeTouchID;
+    return true;
+  }
+  return false;
+}
+
+v8::Local<v8::Promise> SystemPreferences::PromptTouchID(
+    v8::Isolate* isolate,
+    const std::string& reason) {
+  util::Promise promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  if (@available(macOS 10.12.2, *)) {
+    base::scoped_nsobject<LAContext> context([[LAContext alloc] init]);
+    base::ScopedCFTypeRef<SecAccessControlRef> access_control =
+        base::ScopedCFTypeRef<SecAccessControlRef>(
+            SecAccessControlCreateWithFlags(
+                kCFAllocatorDefault,
+                kSecAttrAccessibleWhenUnlockedThisDeviceOnly,
+                kSecAccessControlPrivateKeyUsage |
+                    kSecAccessControlUserPresence,
+                nullptr));
+
+    scoped_refptr<base::SequencedTaskRunner> runner =
+        base::SequencedTaskRunnerHandle::Get();
+
+    __block util::Promise p = std::move(promise);
+    [context
+        evaluateAccessControl:access_control
+                    operation:LAAccessControlOperationUseKeySign
+              localizedReason:[NSString stringWithUTF8String:reason.c_str()]
+                        reply:^(BOOL success, NSError* error) {
+                          if (!success) {
+                            std::string err_msg = std::string(
+                                [error.localizedDescription UTF8String]);
+                            runner->PostTask(
+                                FROM_HERE,
+                                base::BindOnce(util::Promise::RejectPromise,
+                                               std::move(p),
+                                               std::move(err_msg)));
+                          } else {
+                            runner->PostTask(
+                                FROM_HERE,
+                                base::BindOnce(
+                                    util::Promise::ResolveEmptyPromise,
+                                    std::move(p)));
+                          }
+                        }];
+  } else {
+    promise.RejectWithErrorMessage(
+        "This API is not available on macOS versions older than 10.12.2");
+  }
+  return handle;
+}
+
 // static
 bool SystemPreferences::IsTrustedAccessibilityClient(bool prompt) {
   NSDictionary* options = @{(id)kAXTrustedCheckOptionPrompt : @(prompt)};

atom/browser/api/atom_api_top_level_window.cc

@@ -18,6 +18,7 @@
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "atom/common/options_switches.h"
 #include "electron/buildflags/buildflags.h"
 #include "gin/converter.h"
@@ -33,8 +34,6 @@
 #include "ui/base/win/shell.h"
 #endif
 
-#include "atom/common/node_includes.h"
-
 #if defined(OS_WIN)
 namespace mate {
 
@@ -548,11 +547,9 @@ std::vector<int> TopLevelWindow::GetPosition() {
   return result;
 }
 
-#if defined(OS_WIN) || defined(OS_MACOSX)
 void TopLevelWindow::MoveTop() {
   window_->MoveTop();
 }
-#endif
 
 void TopLevelWindow::SetTitle(const std::string& title) {
   window_->SetTitle(title);
@@ -570,6 +567,14 @@ void TopLevelWindow::SetSkipTaskbar(bool skip) {
   window_->SetSkipTaskbar(skip);
 }
 
+void TopLevelWindow::SetExcludedFromShownWindowsMenu(bool excluded) {
+  window_->SetExcludedFromShownWindowsMenu(excluded);
+}
+
+bool TopLevelWindow::IsExcludedFromShownWindowsMenu() {
+  return window_->IsExcludedFromShownWindowsMenu();
+}
+
 void TopLevelWindow::SetSimpleFullScreen(bool simple_fullscreen) {
   window_->SetSimpleFullScreen(simple_fullscreen);
 }
@@ -643,10 +648,11 @@ void TopLevelWindow::SetFocusable(bool focusable) {
 }
 
 void TopLevelWindow::SetMenu(v8::Isolate* isolate, v8::Local<v8::Value> value) {
+  auto context = isolate->GetCurrentContext();
   mate::Handle<Menu> menu;
-  if (value->IsObject() &&
-      gin::V8ToString(
-          isolate, value->ToObject(isolate)->GetConstructorName()) == "Menu" &&
+  v8::Local<v8::Object> object;
+  if (value->IsObject() && value->ToObject(context).ToLocal(&object) &&
+      gin::V8ToString(isolate, object->GetConstructorName()) == "Menu" &&
       mate::ConvertFromV8(isolate, value, &menu) && !menu.IsEmpty()) {
     menu_.Reset(isolate, menu.ToV8());
     window_->SetMenu(menu->model());
@@ -1067,9 +1073,7 @@ void TopLevelWindow::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("setResizable", &TopLevelWindow::SetResizable)
       .SetMethod("isResizable", &TopLevelWindow::IsResizable)
       .SetMethod("setMovable", &TopLevelWindow::SetMovable)
-#if defined(OS_WIN) || defined(OS_MACOSX)
       .SetMethod("moveTop", &TopLevelWindow::MoveTop)
-#endif
       .SetMethod("isMovable", &TopLevelWindow::IsMovable)
       .SetMethod("setMinimizable", &TopLevelWindow::SetMinimizable)
       .SetMethod("isMinimizable", &TopLevelWindow::IsMinimizable)
@@ -1138,6 +1142,9 @@ void TopLevelWindow::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("addTabbedWindow", &TopLevelWindow::AddTabbedWindow)
       .SetMethod("setWindowButtonVisibility",
                  &TopLevelWindow::SetWindowButtonVisibility)
+      .SetProperty("excludedFromShownWindowsMenu",
+                   &TopLevelWindow::IsExcludedFromShownWindowsMenu,
+                   &TopLevelWindow::SetExcludedFromShownWindowsMenu)
 #endif
       .SetMethod("setAutoHideMenuBar", &TopLevelWindow::SetAutoHideMenuBar)
       .SetMethod("isMenuBarAutoHide", &TopLevelWindow::IsMenuBarAutoHide)

atom/browser/api/atom_api_top_level_window.h

@@ -126,9 +126,7 @@ class TopLevelWindow : public mate::TrackableObject<TopLevelWindow>,
   void SetResizable(bool resizable);
   bool IsResizable();
   void SetMovable(bool movable);
-#if defined(OS_WIN) || defined(OS_MACOSX)
   void MoveTop();
-#endif
   bool IsMovable();
   void SetMinimizable(bool minimizable);
   bool IsMinimizable();
@@ -147,6 +145,8 @@ class TopLevelWindow : public mate::TrackableObject<TopLevelWindow>,
   std::string GetTitle();
   void FlashFrame(bool flash);
   void SetSkipTaskbar(bool skip);
+  void SetExcludedFromShownWindowsMenu(bool excluded);
+  bool IsExcludedFromShownWindowsMenu();
   void SetSimpleFullScreen(bool simple_fullscreen);
   bool IsSimpleFullScreen();
   void SetKiosk(bool kiosk);

atom/browser/api/atom_api_tray.cc

@@ -155,7 +155,17 @@ void Tray::SetToolTip(const std::string& tool_tip) {
 }
 
 void Tray::SetTitle(const std::string& title) {
+#if defined(OS_MACOSX)
   tray_icon_->SetTitle(title);
+#endif
+}
+
+std::string Tray::GetTitle() {
+#if defined(OS_MACOSX)
+  return tray_icon_->GetTitle();
+#else
+  return "";
+#endif
 }
 
 void Tray::SetHighlightMode(TrayIcon::HighlightMode mode) {
@@ -223,6 +233,7 @@ void Tray::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("setPressedImage", &Tray::SetPressedImage)
       .SetMethod("setToolTip", &Tray::SetToolTip)
       .SetMethod("setTitle", &Tray::SetTitle)
+      .SetMethod("getTitle", &Tray::GetTitle)
       .SetMethod("setHighlightMode", &Tray::SetHighlightMode)
       .SetMethod("setIgnoreDoubleClickEvents",
                  &Tray::SetIgnoreDoubleClickEvents)

atom/browser/api/atom_api_tray.h

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

atom/browser/api/atom_api_url_request.cc

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

atom/browser/api/atom_api_url_request.h

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

atom/browser/api/atom_api_view.cc

@@ -4,9 +4,8 @@
 
 #include "atom/browser/api/atom_api_view.h"
 
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
 
 namespace atom {
 

atom/browser/api/atom_api_web_contents.cc

@@ -45,19 +45,21 @@
 #include "atom/common/native_mate_converters/network_converter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "atom/common/options_switches.h"
 #include "base/message_loop/message_loop.h"
 #include "base/no_destructor.h"
+#include "base/optional.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/ssl/security_state_tab_helper.h"
-#include "content/browser/frame_host/frame_tree_node.h"
-#include "content/browser/frame_host/render_frame_host_manager.h"
-#include "content/browser/renderer_host/render_widget_host_impl.h"
-#include "content/browser/renderer_host/render_widget_host_view_base.h"
+#include "content/browser/frame_host/frame_tree_node.h"             // nogncheck
+#include "content/browser/frame_host/render_frame_host_manager.h"   // nogncheck
+#include "content/browser/renderer_host/render_widget_host_impl.h"  // nogncheck
+#include "content/browser/renderer_host/render_widget_host_view_base.h"  // nogncheck
 #include "content/common/widget_messages.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/download_request_utils.h"
@@ -77,11 +79,15 @@
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/context_menu_params.h"
+#include "electron/atom/common/api/api.mojom.h"
+#include "mojo/public/cpp/system/platform_handle.h"
 #include "native_mate/converter.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
 #include "net/url_request/url_request_context.h"
+#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
 #include "third_party/blink/public/mojom/frame/find_in_page.mojom.h"
+#include "third_party/blink/public/platform/web_cursor_info.h"
 #include "third_party/blink/public/platform/web_input_event.h"
 #include "ui/display/screen.h"
 #include "ui/events/base_event_utils.h"
@@ -93,16 +99,10 @@
 
 #if !defined(OS_MACOSX)
 #include "ui/aura/window.h"
-#else
-#include "ui/base/cocoa/defaults_utils.h"
-#endif
-
-#if defined(OS_LINUX)
-#include "ui/views/linux_ui/linux_ui.h"
 #endif
 
 #if defined(OS_LINUX) || defined(OS_WIN)
-#include "content/public/common/renderer_preferences.h"
+#include "third_party/blink/public/mojom/renderer_preferences.mojom.h"
 #include "ui/gfx/font_render_params.h"
 #endif
 
@@ -111,8 +111,6 @@
 #include "components/printing/common/print_messages.h"
 #endif
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 
 #if BUILDFLAG(ENABLE_PRINTING)
@@ -245,26 +243,9 @@ namespace api {
 
 namespace {
 
-content::ServiceWorkerContext* GetServiceWorkerContext(
-    content::WebContents* web_contents) {
-  auto* context = web_contents->GetBrowserContext();
-  auto* site_instance = web_contents->GetSiteInstance();
-  if (!context || !site_instance)
-    return nullptr;
-
-  auto* storage_partition =
-      content::BrowserContext::GetStoragePartition(context, site_instance);
-  if (!storage_partition)
-    return nullptr;
-
-  return storage_partition->GetServiceWorkerContext();
-}
-
 // Called when CapturePage is done.
 void OnCapturePageDone(util::Promise promise, const SkBitmap& bitmap) {
   // Hack to enable transparency in captured image
-  // TODO(nitsakh) Remove hack once fixed in chromium
-  const_cast<SkBitmap&>(bitmap).setAlphaType(kPremul_SkAlphaType);
   promise.Resolve(gfx::Image::CreateFrom1xBitmap(bitmap));
 }
 
@@ -283,12 +264,6 @@ struct WebContents::FrameDispatchHelper {
   void OnGetZoomLevel(IPC::Message* reply_msg) {
     api_web_contents->OnGetZoomLevel(rfh, reply_msg);
   }
-
-  void OnRendererMessageSync(const std::string& channel,
-                             const base::ListValue& args,
-                             IPC::Message* message) {
-    api_web_contents->OnRendererMessageSync(rfh, channel, args, message);
-  }
 };
 
 WebContents::WebContents(v8::Isolate* isolate,
@@ -301,6 +276,10 @@ WebContents::WebContents(v8::Isolate* isolate,
   Init(isolate);
   AttachAsUserData(web_contents);
   InitZoomController(web_contents, mate::Dictionary::CreateEmpty(isolate));
+  registry_.AddInterface(base::BindRepeating(&WebContents::BindElectronBrowser,
+                                             base::Unretained(this)));
+  bindings_.set_connection_error_handler(base::BindRepeating(
+      &WebContents::OnElectronBrowserConnectionError, base::Unretained(this)));
 }
 
 WebContents::WebContents(v8::Isolate* isolate,
@@ -440,25 +419,6 @@ void WebContents::InitWithSessionAndOptions(
   prefs->subpixel_rendering = params->subpixel_rendering;
 #endif
 
-// Honor the system's cursor blink rate settings
-#if defined(OS_MACOSX)
-  base::TimeDelta interval;
-  if (ui::TextInsertionCaretBlinkPeriod(&interval))
-    prefs->caret_blink_interval = interval;
-#elif defined(OS_LINUX)
-  views::LinuxUI* linux_ui = views::LinuxUI::instance();
-  if (linux_ui)
-    prefs->caret_blink_interval = linux_ui->GetCursorBlinkInterval();
-#elif defined(OS_WIN)
-  const auto system_msec = ::GetCaretBlinkTime();
-  if (system_msec != 0) {
-    prefs->caret_blink_interval =
-        (system_msec == INFINITE)
-            ? base::TimeDelta()
-            : base::TimeDelta::FromMilliseconds(system_msec);
-  }
-#endif
-
   // Save the preferences in C++.
   new WebContentsPreferences(web_contents(), options);
 
@@ -469,6 +429,11 @@ void WebContents::InitWithSessionAndOptions(
   // Initialize zoom controller.
   InitZoomController(web_contents(), options);
 
+  registry_.AddInterface(base::BindRepeating(&WebContents::BindElectronBrowser,
+                                             base::Unretained(this)));
+  bindings_.set_connection_error_handler(base::BindRepeating(
+      &WebContents::OnElectronBrowserConnectionError, base::Unretained(this)));
+
   web_contents()->SetUserAgentOverride(GetBrowserContext()->GetUserAgent(),
                                        false);
 
@@ -531,12 +496,14 @@ void WebContents::DestroyWebContents(bool async) {
   ResetManagedWebContents(async);
 }
 
-bool WebContents::DidAddMessageToConsole(content::WebContents* source,
-                                         int32_t level,
-                                         const base::string16& message,
-                                         int32_t line_no,
-                                         const base::string16& source_id) {
-  return Emit("console-message", level, message, line_no, source_id);
+bool WebContents::DidAddMessageToConsole(
+    content::WebContents* source,
+    blink::mojom::ConsoleMessageLevel level,
+    const base::string16& message,
+    int32_t line_no,
+    const base::string16& source_id) {
+  return Emit("console-message", static_cast<int32_t>(level), message, line_no,
+              source_id);
 }
 
 void WebContents::OnCreateWindow(
@@ -712,7 +679,8 @@ void WebContents::RendererResponsive(
     observer.OnRendererResponsive();
 }
 
-bool WebContents::HandleContextMenu(const content::ContextMenuParams& params) {
+bool WebContents::HandleContextMenu(content::RenderFrameHost* render_frame_host,
+                                    const content::ContextMenuParams& params) {
   if (params.custom_context.is_pepper_menu) {
     Emit("pepper-context-menu", std::make_pair(params, web_contents()),
          base::Bind(&content::WebContents::NotifyContextMenuClosed,
@@ -847,25 +815,32 @@ void WebContents::PluginCrashed(const base::FilePath& plugin_path,
 }
 
 void WebContents::MediaStartedPlaying(const MediaPlayerInfo& video_type,
-                                      const MediaPlayerId& id) {
+                                      const content::MediaPlayerId& id) {
   Emit("media-started-playing");
 }
 
 void WebContents::MediaStoppedPlaying(
     const MediaPlayerInfo& video_type,
-    const MediaPlayerId& id,
+    const content::MediaPlayerId& id,
     content::WebContentsObserver::MediaStoppedReason reason) {
   Emit("media-paused");
 }
 
-void WebContents::DidChangeThemeColor(SkColor theme_color) {
-  if (theme_color != SK_ColorTRANSPARENT) {
-    Emit("did-change-theme-color", atom::ToRGBHex(theme_color));
+void WebContents::DidChangeThemeColor(base::Optional<SkColor> theme_color) {
+  if (theme_color) {
+    Emit("did-change-theme-color", atom::ToRGBHex(theme_color.value()));
   } else {
     Emit("did-change-theme-color", nullptr);
   }
 }
 
+void WebContents::OnInterfaceRequestFromFrame(
+    content::RenderFrameHost* render_frame_host,
+    const std::string& interface_name,
+    mojo::ScopedMessagePipeHandle* interface_pipe) {
+  registry_.TryBindInterface(interface_name, interface_pipe, render_frame_host);
+}
+
 void WebContents::DidAcquireFullscreen(content::RenderFrameHost* rfh) {
   set_fullscreen_frame(rfh);
 }
@@ -933,6 +908,75 @@ bool WebContents::EmitNavigationEvent(
               frame_routing_id);
 }
 
+void WebContents::BindElectronBrowser(
+    mojom::ElectronBrowserRequest request,
+    content::RenderFrameHost* render_frame_host) {
+  auto id = bindings_.AddBinding(this, std::move(request), render_frame_host);
+  frame_to_bindings_map_[render_frame_host].push_back(id);
+}
+
+void WebContents::OnElectronBrowserConnectionError() {
+  auto binding_id = bindings_.dispatch_binding();
+  auto* frame_host = bindings_.dispatch_context();
+  base::Erase(frame_to_bindings_map_[frame_host], binding_id);
+}
+
+void WebContents::Message(bool internal,
+                          const std::string& channel,
+                          base::Value arguments) {
+  // webContents.emit('-ipc-message', new Event(), internal, channel,
+  // arguments);
+  EmitWithSender("-ipc-message", bindings_.dispatch_context(), base::nullopt,
+                 internal, channel, std::move(arguments));
+}
+
+void WebContents::MessageSync(bool internal,
+                              const std::string& channel,
+                              base::Value arguments,
+                              MessageSyncCallback callback) {
+  // webContents.emit('-ipc-message-sync', new Event(sender, message), internal,
+  // channel, arguments);
+  EmitWithSender("-ipc-message-sync", bindings_.dispatch_context(),
+                 std::move(callback), internal, channel, std::move(arguments));
+}
+
+void WebContents::MessageTo(bool internal,
+                            bool send_to_all,
+                            int32_t web_contents_id,
+                            const std::string& channel,
+                            base::Value arguments) {
+  auto* web_contents = mate::TrackableObject<WebContents>::FromWeakMapID(
+      isolate(), web_contents_id);
+
+  if (web_contents) {
+    web_contents->SendIPCMessageWithSender(internal, send_to_all, channel,
+                                           base::ListValue(arguments.GetList()),
+                                           ID());
+  }
+}
+
+void WebContents::MessageHost(const std::string& channel,
+                              base::Value arguments) {
+  // webContents.emit('ipc-message-host', new Event(), channel, args);
+  EmitWithSender("ipc-message-host", bindings_.dispatch_context(),
+                 base::nullopt, channel, std::move(arguments));
+}
+
+void WebContents::RenderFrameDeleted(
+    content::RenderFrameHost* render_frame_host) {
+  // A RenderFrameHost can be destroyed before the related Mojo binding is
+  // closed, which can result in Mojo calls being sent for RenderFrameHosts
+  // that no longer exist. To prevent this from happening, when a
+  // RenderFrameHost goes away, we close all the bindings related to that
+  // frame.
+  auto it = frame_to_bindings_map_.find(render_frame_host);
+  if (it == frame_to_bindings_map_.end())
+    return;
+  for (auto id : it->second)
+    bindings_.RemoveBinding(id);
+  frame_to_bindings_map_.erase(it);
+}
+
 void WebContents::DidStartNavigation(
     content::NavigationHandle* navigation_handle) {
   EmitNavigationEvent("did-start-navigation", navigation_handle);
@@ -1096,10 +1140,6 @@ bool WebContents::OnMessageReceived(const IPC::Message& message,
   bool handled = true;
   FrameDispatchHelper helper = {this, frame_host};
   IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(WebContents, message, frame_host)
-    IPC_MESSAGE_HANDLER(AtomFrameHostMsg_Message, OnRendererMessage)
-    IPC_MESSAGE_FORWARD_DELAY_REPLY(AtomFrameHostMsg_Message_Sync, &helper,
-                                    FrameDispatchHelper::OnRendererMessageSync)
-    IPC_MESSAGE_HANDLER(AtomFrameHostMsg_Message_To, OnRendererMessageTo)
     IPC_MESSAGE_FORWARD_DELAY_REPLY(
         AtomFrameHostMsg_SetTemporaryZoomLevel, &helper,
         FrameDispatchHelper::OnSetTemporaryZoomLevel)
@@ -1164,7 +1204,7 @@ void WebContents::SetBackgroundThrottling(bool allowed) {
     return;
   }
 
-  const auto* render_view_host = contents->GetRenderViewHost();
+  auto* render_view_host = contents->GetRenderViewHost();
   if (!render_view_host) {
     return;
   }
@@ -1183,7 +1223,7 @@ void WebContents::SetBackgroundThrottling(bool allowed) {
   render_widget_host_impl->disable_hidden_ = !background_throttling_;
 
   if (render_widget_host_impl->is_hidden()) {
-    render_widget_host_impl->WasShown(false);
+    render_widget_host_impl->WasShown(base::nullopt);
   }
 }
 
@@ -1345,11 +1385,16 @@ std::string WebContents::GetUserAgent() {
   return web_contents()->GetUserAgentOverride();
 }
 
-bool WebContents::SavePage(const base::FilePath& full_file_path,
-                           const content::SavePageType& save_type,
-                           const SavePageHandler::SavePageCallback& callback) {
-  auto* handler = new SavePageHandler(web_contents(), callback);
-  return handler->Handle(full_file_path, save_type);
+v8::Local<v8::Promise> WebContents::SavePage(
+    const base::FilePath& full_file_path,
+    const content::SavePageType& save_type) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  auto* handler = new SavePageHandler(web_contents(), std::move(promise));
+  handler->Handle(full_file_path, save_type);
+
+  return handle;
 }
 
 void WebContents::OpenDevTools(mate::Arguments* args) {
@@ -1446,6 +1491,23 @@ void WebContents::InspectElement(int x, int y) {
   managed_web_contents()->InspectElement(x, y);
 }
 
+void WebContents::InspectSharedWorker() {
+  if (type_ == REMOTE)
+    return;
+
+  if (!enable_devtools_)
+    return;
+
+  for (const auto& agent_host : content::DevToolsAgentHost::GetOrCreateAll()) {
+    if (agent_host->GetType() ==
+        content::DevToolsAgentHost::kTypeSharedWorker) {
+      OpenDevTools(nullptr);
+      managed_web_contents()->AttachTo(agent_host);
+      break;
+    }
+  }
+}
+
 void WebContents::InspectServiceWorker() {
   if (type_ == REMOTE)
     return;
@@ -1463,40 +1525,6 @@ void WebContents::InspectServiceWorker() {
   }
 }
 
-void WebContents::HasServiceWorker(const base::Callback<void(bool)>& callback) {
-  auto* context = GetServiceWorkerContext(web_contents());
-  if (!context)
-    return;
-
-  struct WrappedCallback {
-    base::Callback<void(bool)> callback_;
-    explicit WrappedCallback(const base::Callback<void(bool)>& callback)
-        : callback_(callback) {}
-    void Run(content::ServiceWorkerCapability capability) {
-      callback_.Run(capability !=
-                    content::ServiceWorkerCapability::NO_SERVICE_WORKER);
-      delete this;
-    }
-  };
-
-  auto* wrapped_callback = new WrappedCallback(callback);
-
-  context->CheckHasServiceWorker(
-      web_contents()->GetLastCommittedURL(), GURL::EmptyGURL(),
-      base::BindOnce(&WrappedCallback::Run,
-                     base::Unretained(wrapped_callback)));
-}
-
-void WebContents::UnregisterServiceWorker(
-    const base::Callback<void(bool)>& callback) {
-  auto* context = GetServiceWorkerContext(web_contents());
-  if (!context)
-    return;
-
-  context->UnregisterServiceWorker(web_contents()->GetLastCommittedURL(),
-                                   callback);
-}
-
 void WebContents::SetIgnoreMenuShortcuts(bool ignore) {
   auto* web_preferences = WebContentsPreferences::From(web_contents());
   DCHECK(web_preferences);
@@ -1561,11 +1589,13 @@ std::vector<printing::PrinterBasicInfo> WebContents::GetPrinterList() {
   return printers;
 }
 
-void WebContents::PrintToPDF(
-    const base::DictionaryValue& settings,
-    const PrintPreviewMessageHandler::PrintToPDFCallback& callback) {
+v8::Local<v8::Promise> WebContents::PrintToPDF(
+    const base::DictionaryValue& settings) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
   PrintPreviewMessageHandler::FromWebContents(web_contents())
-      ->PrintToPDF(settings, callback);
+      ->PrintToPDF(settings, std::move(promise));
+  return handle;
 }
 #endif
 
@@ -1715,14 +1745,13 @@ bool WebContents::SendIPCMessageWithSender(bool internal,
     target_hosts = web_contents()->GetAllFrames();
   }
 
-  bool handled = false;
   for (auto* frame_host : target_hosts) {
-    handled = frame_host->Send(
-                  new AtomFrameMsg_Message(frame_host->GetRoutingID(), internal,
-                                           false, channel, args, sender_id)) ||
-              handled;
+    mojom::ElectronRendererAssociatedPtr electron_ptr;
+    frame_host->GetRemoteAssociatedInterfaces()->GetInterface(
+        mojo::MakeRequest(&electron_ptr));
+    electron_ptr->Message(internal, false, channel, args.Clone(), sender_id);
   }
-  return handled;
+  return true;
 }
 
 bool WebContents::SendIPCMessageToFrame(bool internal,
@@ -1738,8 +1767,13 @@ bool WebContents::SendIPCMessageToFrame(bool internal,
     return false;
   if (!(*iter)->IsRenderFrameLive())
     return false;
-  return (*iter)->Send(new AtomFrameMsg_Message(
-      frame_id, internal, send_to_all, channel, args, 0 /* sender_id */));
+
+  mojom::ElectronRendererAssociatedPtr electron_ptr;
+  (*iter)->GetRemoteAssociatedInterfaces()->GetInterface(
+      mojo::MakeRequest(&electron_ptr));
+  electron_ptr->Message(internal, send_to_all, channel, args.Clone(),
+                        0 /* sender_id */);
+  return true;
 }
 
 void WebContents::SendInputEvent(v8::Isolate* isolate,
@@ -1893,10 +1927,9 @@ v8::Local<v8::Promise> WebContents::CapturePage(mate::Arguments* args) {
 }
 
 void WebContents::OnCursorChange(const content::WebCursor& cursor) {
-  content::CursorInfo info;
-  cursor.GetCursorInfo(&info);
+  const content::CursorInfo& info = cursor.info();
 
-  if (cursor.IsCustom()) {
+  if (info.type == blink::WebCursorInfo::kTypeCustom) {
     Emit("cursor-changed", CursorTypeToString(info),
          gfx::Image::CreateFrom1xBitmap(info.custom_image),
          info.image_scale_factor,
@@ -2046,6 +2079,9 @@ v8::Local<v8::Value> WebContents::GetLastWebPreferences(
 }
 
 bool WebContents::IsRemoteModuleEnabled() const {
+  if (web_contents()->GetVisibleURL().SchemeIs("devtools")) {
+    return false;
+  }
   if (auto* web_preferences = WebContentsPreferences::From(web_contents())) {
     return web_preferences->IsRemoteModuleEnabled();
   }
@@ -2128,22 +2164,36 @@ void WebContents::GrantOriginAccess(const GURL& url) {
       url::Origin::Create(url));
 }
 
-bool WebContents::TakeHeapSnapshot(const base::FilePath& file_path,
-                                   const std::string& channel) {
+void WebContents::TakeHeapSnapshot(const base::FilePath& file_path,
+                                   base::Callback<void(bool)> callback) {
   base::ThreadRestrictions::ScopedAllowIO allow_io;
 
   base::File file(file_path,
                   base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
-  if (!file.IsValid())
-    return false;
+  if (!file.IsValid()) {
+    std::move(callback).Run(false);
+    return;
+  }
 
   auto* frame_host = web_contents()->GetMainFrame();
-  if (!frame_host)
-    return false;
+  if (!frame_host) {
+    std::move(callback).Run(false);
+    return;
+  }
 
-  return frame_host->Send(new AtomFrameMsg_TakeHeapSnapshot(
-      frame_host->GetRoutingID(),
-      IPC::TakePlatformFileForTransit(std::move(file)), channel));
+  // This dance with `base::Owned` is to ensure that the interface stays alive
+  // until the callback is called. Otherwise it would be closed at the end of
+  // this function.
+  auto electron_ptr = std::make_unique<mojom::ElectronRendererAssociatedPtr>();
+  frame_host->GetRemoteAssociatedInterfaces()->GetInterface(
+      mojo::MakeRequest(electron_ptr.get()));
+  auto* raw_ptr = electron_ptr.get();
+  (*raw_ptr)->TakeHeapSnapshot(
+      mojo::WrapPlatformFile(file.TakePlatformFile()),
+      base::BindOnce([](mojom::ElectronRendererAssociatedPtr* ep,
+                        base::Callback<void(bool)> callback,
+                        bool success) { callback.Run(success); },
+                     base::Owned(std::move(electron_ptr)), callback));
 }
 
 // static
@@ -2228,10 +2278,8 @@ void WebContents::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getLastWebPreferences", &WebContents::GetLastWebPreferences)
       .SetMethod("_isRemoteModuleEnabled", &WebContents::IsRemoteModuleEnabled)
       .SetMethod("getOwnerBrowserWindow", &WebContents::GetOwnerBrowserWindow)
-      .SetMethod("hasServiceWorker", &WebContents::HasServiceWorker)
-      .SetMethod("unregisterServiceWorker",
-                 &WebContents::UnregisterServiceWorker)
       .SetMethod("inspectServiceWorker", &WebContents::InspectServiceWorker)
+      .SetMethod("inspectSharedWorker", &WebContents::InspectSharedWorker)
 #if BUILDFLAG(ENABLE_PRINTING)
       .SetMethod("_print", &WebContents::Print)
       .SetMethod("_getPrinters", &WebContents::GetPrinterList)
@@ -2263,36 +2311,6 @@ AtomBrowserContext* WebContents::GetBrowserContext() const {
   return static_cast<AtomBrowserContext*>(web_contents()->GetBrowserContext());
 }
 
-void WebContents::OnRendererMessage(content::RenderFrameHost* frame_host,
-                                    const std::string& channel,
-                                    const base::ListValue& args) {
-  // webContents.emit(channel, new Event(), args...);
-  EmitWithSender(channel, frame_host, nullptr, args);
-}
-
-void WebContents::OnRendererMessageSync(content::RenderFrameHost* frame_host,
-                                        const std::string& channel,
-                                        const base::ListValue& args,
-                                        IPC::Message* message) {
-  // webContents.emit(channel, new Event(sender, message), args...);
-  EmitWithSender(channel, frame_host, message, args);
-}
-
-void WebContents::OnRendererMessageTo(content::RenderFrameHost* frame_host,
-                                      bool internal,
-                                      bool send_to_all,
-                                      int32_t web_contents_id,
-                                      const std::string& channel,
-                                      const base::ListValue& args) {
-  auto* web_contents = mate::TrackableObject<WebContents>::FromWeakMapID(
-      isolate(), web_contents_id);
-
-  if (web_contents) {
-    web_contents->SendIPCMessageWithSender(internal, send_to_all, channel, args,
-                                           ID());
-  }
-}
-
 // static
 mate::Handle<WebContents> WebContents::Create(v8::Isolate* isolate,
                                               const mate::Dictionary& options) {

atom/browser/api/atom_api_web_contents.h

@@ -5,6 +5,7 @@
 #ifndef ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_
 #define ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_
 
+#include <map>
 #include <memory>
 #include <string>
 #include <vector>
@@ -19,11 +20,14 @@
 #include "content/common/cursors/webcursor.h"
 #include "content/public/browser/keyboard_event_processing_result.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_binding_set.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/favicon_url.h"
+#include "electron/atom/common/api/api.mojom.h"
 #include "electron/buildflags/buildflags.h"
 #include "native_mate/handle.h"
 #include "printing/buildflags/buildflags.h"
+#include "services/service_manager/public/cpp/binder_registry.h"
 #include "ui/gfx/image/image.h"
 
 #if BUILDFLAG(ENABLE_PRINTING)
@@ -73,7 +77,8 @@ class ExtendedWebContentsObserver : public base::CheckedObserver {
 // Wrapper around the content::WebContents.
 class WebContents : public mate::TrackableObject<WebContents>,
                     public CommonWebContentsDelegate,
-                    public content::WebContentsObserver {
+                    public content::WebContentsObserver,
+                    public mojom::ElectronBrowser {
  public:
   enum Type {
     BACKGROUND_PAGE,  // A DevTools extension background page.
@@ -151,9 +156,8 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void SetUserAgent(const std::string& user_agent, mate::Arguments* args);
   std::string GetUserAgent();
   void InsertCSS(const std::string& css);
-  bool SavePage(const base::FilePath& full_file_path,
-                const content::SavePageType& save_type,
-                const SavePageHandler::SavePageCallback& callback);
+  v8::Local<v8::Promise> SavePage(const base::FilePath& full_file_path,
+                                  const content::SavePageType& save_type);
   void OpenDevTools(mate::Arguments* args);
   void CloseDevTools();
   bool IsDevToolsOpened();
@@ -162,9 +166,8 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void EnableDeviceEmulation(const blink::WebDeviceEmulationParams& params);
   void DisableDeviceEmulation();
   void InspectElement(int x, int y);
+  void InspectSharedWorker();
   void InspectServiceWorker();
-  void HasServiceWorker(const base::Callback<void(bool)>&);
-  void UnregisterServiceWorker(const base::Callback<void(bool)>&);
   void SetIgnoreMenuShortcuts(bool ignore);
   void SetAudioMuted(bool muted);
   bool IsAudioMuted();
@@ -177,9 +180,7 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void Print(mate::Arguments* args);
   std::vector<printing::PrinterBasicInfo> GetPrinterList();
   // Print current page as PDF.
-  void PrintToPDF(
-      const base::DictionaryValue& settings,
-      const PrintPreviewMessageHandler::PrintToPDFCallback& callback);
+  v8::Local<v8::Promise> PrintToPDF(const base::DictionaryValue& settings);
 #endif
 
   // DevTools workspace api.
@@ -295,8 +296,8 @@ class WebContents : public mate::TrackableObject<WebContents>,
   // the specified URL.
   void GrantOriginAccess(const GURL& url);
 
-  bool TakeHeapSnapshot(const base::FilePath& file_path,
-                        const std::string& channel);
+  void TakeHeapSnapshot(const base::FilePath& file_path,
+                        base::Callback<void(bool)>);
 
   // Properties.
   int32_t ID() const;
@@ -338,7 +339,7 @@ class WebContents : public mate::TrackableObject<WebContents>,
 
   // content::WebContentsDelegate:
   bool DidAddMessageToConsole(content::WebContents* source,
-                              int32_t level,
+                              blink::mojom::ConsoleMessageLevel level,
                               const base::string16& message,
                               int32_t line_no,
                               const base::string16& source_id) override;
@@ -383,7 +384,8 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void RendererResponsive(
       content::WebContents* source,
       content::RenderWidgetHost* render_widget_host) override;
-  bool HandleContextMenu(const content::ContextMenuParams& params) override;
+  bool HandleContextMenu(content::RenderFrameHost* render_frame_host,
+                         const content::ContextMenuParams& params) override;
   bool OnGoToEntryOffset(int offset) override;
   void FindReply(content::WebContents* web_contents,
                  int request_id,
@@ -416,6 +418,7 @@ class WebContents : public mate::TrackableObject<WebContents>,
                              content::RenderViewHost* new_host) override;
   void RenderViewDeleted(content::RenderViewHost*) override;
   void RenderProcessGone(base::TerminationStatus status) override;
+  void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
   void DocumentLoadedInFrame(
       content::RenderFrameHost* render_frame_host) override;
   void DidFinishLoad(content::RenderFrameHost* render_frame_host,
@@ -444,12 +447,16 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void PluginCrashed(const base::FilePath& plugin_path,
                      base::ProcessId plugin_pid) override;
   void MediaStartedPlaying(const MediaPlayerInfo& video_type,
-                           const MediaPlayerId& id) override;
+                           const content::MediaPlayerId& id) override;
   void MediaStoppedPlaying(
       const MediaPlayerInfo& video_type,
-      const MediaPlayerId& id,
+      const content::MediaPlayerId& id,
       content::WebContentsObserver::MediaStoppedReason reason) override;
-  void DidChangeThemeColor(SkColor theme_color) override;
+  void DidChangeThemeColor(base::Optional<SkColor> theme_color) override;
+  void OnInterfaceRequestFromFrame(
+      content::RenderFrameHost* render_frame_host,
+      const std::string& interface_name,
+      mojo::ScopedMessagePipeHandle* interface_pipe) override;
   void DidAcquireFullscreen(content::RenderFrameHost* rfh) override;
 
   // InspectableWebContentsDelegate:
@@ -471,6 +478,12 @@ class WebContents : public mate::TrackableObject<WebContents>,
   struct FrameDispatchHelper;
   AtomBrowserContext* GetBrowserContext() const;
 
+  // Binds the given request for the ElectronBrowser API. When the
+  // RenderFrameHost is destroyed, all related bindings will be removed.
+  void BindElectronBrowser(mojom::ElectronBrowserRequest request,
+                           content::RenderFrameHost* render_frame_host);
+  void OnElectronBrowserConnectionError();
+
   uint32_t GetNextRequestId() { return ++request_id_; }
 
 #if BUILDFLAG(ENABLE_OSR)
@@ -478,28 +491,24 @@ class WebContents : public mate::TrackableObject<WebContents>,
   OffScreenRenderWidgetHostView* GetOffScreenRenderWidgetHostView() const;
 #endif
 
+  // mojom::ElectronBrowser
+  void Message(bool internal,
+               const std::string& channel,
+               base::Value arguments) override;
+  void MessageSync(bool internal,
+                   const std::string& channel,
+                   base::Value arguments,
+                   MessageSyncCallback callback) override;
+  void MessageTo(bool internal,
+                 bool send_to_all,
+                 int32_t web_contents_id,
+                 const std::string& channel,
+                 base::Value arguments) override;
+  void MessageHost(const std::string& channel, base::Value arguments) override;
+
   // Called when we receive a CursorChange message from chromium.
   void OnCursorChange(const content::WebCursor& cursor);
 
-  // Called when received a message from renderer.
-  void OnRendererMessage(content::RenderFrameHost* frame_host,
-                         const std::string& channel,
-                         const base::ListValue& args);
-
-  // Called when received a synchronous message from renderer.
-  void OnRendererMessageSync(content::RenderFrameHost* frame_host,
-                             const std::string& channel,
-                             const base::ListValue& args,
-                             IPC::Message* message);
-
-  // Called when received a message from renderer to be forwarded.
-  void OnRendererMessageTo(content::RenderFrameHost* frame_host,
-                           bool internal,
-                           bool send_to_all,
-                           int32_t web_contents_id,
-                           const std::string& channel,
-                           const base::ListValue& args);
-
   // Called when received a synchronous message from renderer to
   // set temporary zoom level.
   void OnSetTemporaryZoomLevel(content::RenderFrameHost* frame_host,
@@ -547,6 +556,11 @@ class WebContents : public mate::TrackableObject<WebContents>,
   // -1 means no speculative RVH has been committed yet.
   int currently_committed_process_id_ = -1;
 
+  service_manager::BinderRegistryWithArgs<content::RenderFrameHost*> registry_;
+  mojo::BindingSet<mojom::ElectronBrowser, content::RenderFrameHost*> bindings_;
+  std::map<content::RenderFrameHost*, std::vector<mojo::BindingId>>
+      frame_to_bindings_map_;
+
   base::WeakPtrFactory<WebContents> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContents);

atom/browser/api/atom_api_web_contents_impl.cc

@@ -4,7 +4,10 @@
 
 #include "atom/browser/api/atom_api_web_contents.h"
 
-#include "content/browser/web_contents/web_contents_impl.h"
+#include "content/browser/frame_host/frame_tree.h"           // nogncheck
+#include "content/browser/frame_host/frame_tree_node.h"      // nogncheck
+#include "content/browser/web_contents/web_contents_impl.h"  // nogncheck
+#include "content/public/browser/guest_mode.h"
 
 #if BUILDFLAG(ENABLE_OSR)
 #include "atom/browser/osr/osr_render_widget_host_view.h"
@@ -21,8 +24,15 @@ namespace api {
 
 void WebContents::DetachFromOuterFrame() {
   // See detach_webview_frame.patch on how to detach.
-  auto* impl = static_cast<content::WebContentsImpl*>(web_contents());
-  impl->GetRenderManagerForTesting()->RemoveOuterDelegateFrame();
+  DCHECK(content::GuestMode::IsCrossProcessFrameGuest(web_contents()));
+  int frame_tree_node_id =
+      static_cast<content::WebContentsImpl*>(web_contents())
+          ->GetOuterDelegateFrameTreeNodeId();
+  if (frame_tree_node_id != content::FrameTreeNode::kFrameTreeNodeInvalidId) {
+    auto* node = content::FrameTreeNode::GloballyFindByID(frame_tree_node_id);
+    DCHECK(node->parent());
+    node->frame_tree()->RemoveFrame(node);
+  }
 }
 
 #if BUILDFLAG(ENABLE_OSR)

atom/browser/api/atom_api_web_contents_view.cc

@@ -8,6 +8,7 @@
 #include "atom/browser/browser.h"
 #include "atom/browser/ui/inspectable_web_contents_view.h"
 #include "atom/common/api/constructor.h"
+#include "atom/common/node_includes.h"
 #include "content/public/browser/web_contents_user_data.h"
 #include "native_mate/dictionary.h"
 
@@ -15,8 +16,6 @@
 #include "atom/browser/ui/cocoa/delayed_native_view_host.h"
 #endif
 
-#include "atom/common/node_includes.h"
-
 namespace {
 
 // Used to indicate whether a WebContents already has a view.

atom/browser/api/atom_api_web_view_manager.cc

@@ -7,14 +7,11 @@
 #include "atom/browser/web_view_manager.h"
 #include "atom/common/native_mate_converters/content_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/node_includes.h"
 #include "atom/common/options_switches.h"
 #include "content/public/browser/browser_context.h"
 #include "native_mate/dictionary.h"
 
-// Must be the last in the includes list.
-// See https://github.com/electron/electron/issues/10363
-#include "atom/common/node_includes.h"
-
 using atom::WebContentsPreferences;
 
 namespace {

atom/browser/api/event.cc

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

atom/browser/api/event.h

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

atom/browser/api/event_emitter.cc

@@ -4,15 +4,16 @@
 
 #include "atom/browser/api/event_emitter.h"
 
+#include <utility>
+
 #include "atom/browser/api/event.h"
+#include "atom/common/node_includes.h"
 #include "content/public/browser/render_frame_host.h"
 #include "native_mate/arguments.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
 #include "ui/events/event_constants.h"
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 
 namespace {
@@ -43,16 +44,18 @@ v8::Local<v8::Object> CreateEventObject(v8::Isolate* isolate) {
 
 namespace internal {
 
-v8::Local<v8::Object> CreateJSEvent(v8::Isolate* isolate,
-                                    v8::Local<v8::Object> object,
-                                    content::RenderFrameHost* sender,
-                                    IPC::Message* message) {
+v8::Local<v8::Object> CreateJSEvent(
+    v8::Isolate* isolate,
+    v8::Local<v8::Object> object,
+    content::RenderFrameHost* sender,
+    base::Optional<atom::mojom::ElectronBrowser::MessageSyncCallback>
+        callback) {
   v8::Local<v8::Object> event;
-  bool use_native_event = sender && message;
+  bool use_native_event = sender && callback;
 
   if (use_native_event) {
     mate::Handle<mate::Event> native_event = mate::Event::Create(isolate);
-    native_event->SetSenderAndMessage(sender, message);
+    native_event->SetSenderAndMessage(sender, std::move(callback));
     event = v8::Local<v8::Object>::Cast(native_event.ToV8());
   } else {
     event = CreateEventObject(isolate);
@@ -79,6 +82,7 @@ v8::Local<v8::Object> CreateEventFromFlags(v8::Isolate* isolate, int flags) {
   obj.Set("ctrlKey", static_cast<bool>(flags & ui::EF_CONTROL_DOWN));
   obj.Set("altKey", static_cast<bool>(flags & ui::EF_ALT_DOWN));
   obj.Set("metaKey", static_cast<bool>(flags & ui::EF_COMMAND_DOWN));
+  obj.Set("triggeredByAccelerator", static_cast<bool>(flags));
   return obj.GetHandle();
 }
 

atom/browser/api/event_emitter.h

@@ -5,28 +5,28 @@
 #ifndef ATOM_BROWSER_API_EVENT_EMITTER_H_
 #define ATOM_BROWSER_API_EVENT_EMITTER_H_
 
+#include <utility>
 #include <vector>
 
 #include "atom/common/api/event_emitter_caller.h"
+#include "base/optional.h"
 #include "content/public/browser/browser_thread.h"
+#include "electron/atom/common/api/api.mojom.h"
 #include "native_mate/wrappable.h"
 
 namespace content {
 class RenderFrameHost;
 }
 
-namespace IPC {
-class Message;
-}
-
 namespace mate {
 
 namespace internal {
 
-v8::Local<v8::Object> CreateJSEvent(v8::Isolate* isolate,
-                                    v8::Local<v8::Object> object,
-                                    content::RenderFrameHost* sender,
-                                    IPC::Message* message);
+v8::Local<v8::Object> CreateJSEvent(
+    v8::Isolate* isolate,
+    v8::Local<v8::Object> object,
+    content::RenderFrameHost* sender,
+    base::Optional<atom::mojom::ElectronBrowser::MessageSyncCallback> callback);
 v8::Local<v8::Object> CreateCustomEvent(v8::Isolate* isolate,
                                         v8::Local<v8::Object> object,
                                         v8::Local<v8::Object> event);
@@ -69,23 +69,25 @@ class EventEmitter : public Wrappable<T> {
   // this.emit(name, new Event(), args...);
   template <typename... Args>
   bool Emit(const base::StringPiece& name, const Args&... args) {
-    return EmitWithSender(name, nullptr, nullptr, args...);
+    return EmitWithSender(name, nullptr, base::nullopt, args...);
   }
 
   // this.emit(name, new Event(sender, message), args...);
   template <typename... Args>
-  bool EmitWithSender(const base::StringPiece& name,
-                      content::RenderFrameHost* sender,
-                      IPC::Message* message,
-                      const Args&... args) {
+  bool EmitWithSender(
+      const base::StringPiece& name,
+      content::RenderFrameHost* sender,
+      base::Optional<atom::mojom::ElectronBrowser::MessageSyncCallback>
+          callback,
+      const Args&... args) {
     v8::Locker locker(isolate());
     v8::HandleScope handle_scope(isolate());
     v8::Local<v8::Object> wrapper = GetWrapper();
     if (wrapper.IsEmpty()) {
       return false;
     }
-    v8::Local<v8::Object> event =
-        internal::CreateJSEvent(isolate(), wrapper, sender, message);
+    v8::Local<v8::Object> event = internal::CreateJSEvent(
+        isolate(), wrapper, sender, std::move(callback));
     return EmitWithEvent(name, event, args...);
   }
 
@@ -102,9 +104,13 @@ class EventEmitter : public Wrappable<T> {
     v8::Locker locker(isolate());
     v8::HandleScope handle_scope(isolate());
     EmitEvent(isolate(), GetWrapper(), name, event, args...);
-    return event->Get(StringToV8(isolate(), "defaultPrevented"))
-        ->BooleanValue(isolate()->GetCurrentContext())
-        .ToChecked();
+    auto context = isolate()->GetCurrentContext();
+    v8::Local<v8::Value> defaultPrevented;
+    if (event->Get(context, StringToV8(isolate(), "defaultPrevented"))
+            .ToLocal(&defaultPrevented)) {
+      return defaultPrevented->BooleanValue(isolate());
+    }
+    return false;
   }
 
   DISALLOW_COPY_AND_ASSIGN(EventEmitter);

atom/browser/api/frame_subscriber.cc

@@ -10,11 +10,11 @@
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
+#include "media/capture/mojom/video_capture_types.mojom.h"
+#include "ui/gfx/geometry/size_conversions.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/skbitmap_operations.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {
@@ -44,10 +44,9 @@ void FrameSubscriber::AttachToHost(content::RenderWidgetHost* host) {
     return;
 
   // Create and configure the video capturer.
+  gfx::Size size = GetRenderViewSize();
   video_capturer_ = host_->GetView()->CreateVideoCapturer();
-  video_capturer_->SetResolutionConstraints(
-      host_->GetView()->GetViewBounds().size(),
-      host_->GetView()->GetViewBounds().size(), true);
+  video_capturer_->SetResolutionConstraints(size, size, true);
   video_capturer_->SetAutoThrottlingEnabled(false);
   video_capturer_->SetMinSizeChangePeriod(base::TimeDelta());
   video_capturer_->SetFormat(media::PIXEL_FORMAT_ARGB,
@@ -86,12 +85,11 @@ void FrameSubscriber::RenderViewHostChanged(content::RenderViewHost* old_host,
 void FrameSubscriber::OnFrameCaptured(
     base::ReadOnlySharedMemoryRegion data,
     ::media::mojom::VideoFrameInfoPtr info,
-    const gfx::Rect& update_rect,
     const gfx::Rect& content_rect,
     viz::mojom::FrameSinkVideoConsumerFrameCallbacksPtr callbacks) {
-  gfx::Size view_size = host_->GetView()->GetViewBounds().size();
-  if (view_size != content_rect.size()) {
-    video_capturer_->SetResolutionConstraints(view_size, view_size, true);
+  gfx::Size size = GetRenderViewSize();
+  if (size != content_rect.size()) {
+    video_capturer_->SetResolutionConstraints(size, size, true);
     video_capturer_->RequestRefreshFrame();
     return;
   }
@@ -167,6 +165,13 @@ void FrameSubscriber::Done(const gfx::Rect& damage, const SkBitmap& frame) {
   callback_.Run(gfx::Image::CreateFrom1xBitmap(copy), damage);
 }
 
+gfx::Size FrameSubscriber::GetRenderViewSize() const {
+  content::RenderWidgetHostView* view = host_->GetView();
+  gfx::Size size = view->GetViewBounds().size();
+  return gfx::ToRoundedSize(
+      gfx::ScaleSize(gfx::SizeF(size), view->GetDeviceScaleFactor()));
+}
+
 }  // namespace api
 
 }  // namespace atom

atom/browser/api/frame_subscriber.h

@@ -48,13 +48,15 @@ class FrameSubscriber : public content::WebContentsObserver,
   void OnFrameCaptured(
       base::ReadOnlySharedMemoryRegion data,
       ::media::mojom::VideoFrameInfoPtr info,
-      const gfx::Rect& update_rect,
       const gfx::Rect& content_rect,
       viz::mojom::FrameSinkVideoConsumerFrameCallbacksPtr callbacks) override;
   void OnStopped() override;
 
   void Done(const gfx::Rect& damage, const SkBitmap& frame);
 
+  // Get the pixel size of render view.
+  gfx::Size GetRenderViewSize() const;
+
   FrameCaptureCallback callback_;
   bool only_dirty_;
 

atom/browser/api/gpu_info_enumerator.cc

@@ -83,6 +83,19 @@ void GPUInfoEnumerator::EndVideoEncodeAcceleratorSupportedProfile() {
   value_stack.pop();
 }
 
+void GPUInfoEnumerator::BeginImageDecodeAcceleratorSupportedProfile() {
+  value_stack.push(std::move(current));
+  current = std::make_unique<base::DictionaryValue>();
+}
+
+void GPUInfoEnumerator::EndImageDecodeAcceleratorSupportedProfile() {
+  auto& top_value = value_stack.top();
+  top_value->SetDictionary(kImageDecodeAcceleratorSupportedProfileKey,
+                           std::move(current));
+  current = std::move(top_value);
+  value_stack.pop();
+}
+
 void GPUInfoEnumerator::BeginAuxAttributes() {
   value_stack.push(std::move(current));
   current = std::make_unique<base::DictionaryValue>();
@@ -95,18 +108,6 @@ void GPUInfoEnumerator::EndAuxAttributes() {
   value_stack.pop();
 }
 
-void GPUInfoEnumerator::BeginOverlayCapability() {
-  value_stack.push(std::move(current));
-  current = std::make_unique<base::DictionaryValue>();
-}
-
-void GPUInfoEnumerator::EndOverlayCapability() {
-  auto& top_value = value_stack.top();
-  top_value->SetDictionary(kOverlayCapabilityKey, std::move(current));
-  current = std::move(top_value);
-  value_stack.pop();
-}
-
 void GPUInfoEnumerator::BeginDx12VulkanVersionInfo() {
   value_stack.push(std::move(current));
   current = std::make_unique<base::DictionaryValue>();

atom/browser/api/gpu_info_enumerator.h

@@ -22,8 +22,9 @@ class GPUInfoEnumerator final : public gpu::GPUInfo::Enumerator {
       "videoDecodeAcceleratorSupportedProfile";
   const char* kVideoEncodeAcceleratorSupportedProfileKey =
       "videoEncodeAcceleratorSupportedProfile";
+  const char* kImageDecodeAcceleratorSupportedProfileKey =
+      "imageDecodeAcceleratorSupportedProfile";
   const char* kAuxAttributesKey = "auxAttributes";
-  const char* kOverlayCapabilityKey = "overlayCapability";
   const char* kDx12VulkanVersionInfoKey = "dx12VulkanVersionInfo";
 
  public:
@@ -41,10 +42,10 @@ class GPUInfoEnumerator final : public gpu::GPUInfo::Enumerator {
   void EndVideoDecodeAcceleratorSupportedProfile() override;
   void BeginVideoEncodeAcceleratorSupportedProfile() override;
   void EndVideoEncodeAcceleratorSupportedProfile() override;
+  void BeginImageDecodeAcceleratorSupportedProfile() override;
+  void EndImageDecodeAcceleratorSupportedProfile() override;
   void BeginAuxAttributes() override;
   void EndAuxAttributes() override;
-  void BeginOverlayCapability() override;
-  void EndOverlayCapability() override;
   void BeginDx12VulkanVersionInfo() override;
   void EndDx12VulkanVersionInfo() override;
   std::unique_ptr<base::DictionaryValue> GetDictionary();

atom/browser/api/gpuinfo_manager.h

@@ -11,7 +11,7 @@
 
 #include "atom/common/native_mate_converters/value_converter.h"
 #include "atom/common/promise_util.h"
-#include "content/browser/gpu/gpu_data_manager_impl.h"
+#include "content/browser/gpu/gpu_data_manager_impl.h"  // nogncheck
 #include "content/public/browser/gpu_data_manager.h"
 #include "content/public/browser/gpu_data_manager_observer.h"
 

atom/browser/api/save_page_handler.cc

@@ -5,6 +5,7 @@
 #include "atom/browser/api/save_page_handler.h"
 
 #include <string>
+#include <utility>
 
 #include "atom/browser/atom_browser_context.h"
 #include "base/callback.h"
@@ -16,8 +17,8 @@ namespace atom {
 namespace api {
 
 SavePageHandler::SavePageHandler(content::WebContents* web_contents,
-                                 const SavePageCallback& callback)
-    : web_contents_(web_contents), callback_(callback) {}
+                                 util::Promise promise)
+    : web_contents_(web_contents), promise_(std::move(promise)) {}
 
 SavePageHandler::~SavePageHandler() {}
 
@@ -43,25 +44,19 @@ bool SavePageHandler::Handle(const base::FilePath& full_path,
   download_manager->RemoveObserver(this);
   // If initialization fails which means fail to create |DownloadItem|, we need
   // to delete the |SavePageHandler| instance to avoid memory-leak.
-  if (!result)
+  if (!result) {
+    promise_.RejectWithErrorMessage("Failed to save the page");
     delete this;
+  }
   return result;
 }
 
 void SavePageHandler::OnDownloadUpdated(download::DownloadItem* item) {
   if (item->IsDone()) {
-    v8::Isolate* isolate = v8::Isolate::GetCurrent();
-    v8::Locker locker(isolate);
-    v8::HandleScope handle_scope(isolate);
-    if (item->GetState() == download::DownloadItem::COMPLETE) {
-      callback_.Run(v8::Null(isolate));
-    } else {
-      v8::Local<v8::String> error_message =
-          v8::String::NewFromUtf8(isolate, "Fail to save page",
-                                  v8::NewStringType::kNormal)
-              .ToLocalChecked();
-      callback_.Run(v8::Exception::Error(error_message));
-    }
+    if (item->GetState() == download::DownloadItem::COMPLETE)
+      promise_.Resolve();
+    else
+      promise_.RejectWithErrorMessage("Failed to save the page.");
     Destroy(item);
   }
 }

atom/browser/api/save_page_handler.h

@@ -7,6 +7,7 @@
 
 #include <string>
 
+#include "atom/common/promise_util.h"
 #include "components/download/public/common/download_item.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/save_page_type.h"
@@ -28,10 +29,8 @@ namespace api {
 class SavePageHandler : public content::DownloadManager::Observer,
                         public download::DownloadItem::Observer {
  public:
-  using SavePageCallback = base::Callback<void(v8::Local<v8::Value>)>;
-
   SavePageHandler(content::WebContents* web_contents,
-                  const SavePageCallback& callback);
+                  atom::util::Promise promise);
   ~SavePageHandler() override;
 
   bool Handle(const base::FilePath& full_path,
@@ -48,7 +47,7 @@ class SavePageHandler : public content::DownloadManager::Observer,
   void OnDownloadUpdated(download::DownloadItem* item) override;
 
   content::WebContents* web_contents_;  // weak
-  SavePageCallback callback_;
+  atom::util::Promise promise_;
 };
 
 }  // namespace api

atom/browser/api/stream_subscriber.cc

@@ -9,11 +9,10 @@
 #include "atom/browser/net/url_request_stream_job.h"
 #include "atom/common/api/event_emitter_caller.h"
 #include "atom/common/native_mate_converters/callback.h"
+#include "atom/common/node_includes.h"
 #include "base/task/post_task.h"
 #include "content/public/browser/browser_task_traits.h"
 
-#include "atom/common/node_includes.h"
-
 namespace mate {
 
 StreamSubscriber::StreamSubscriber(

atom/browser/api/views/atom_api_box_layout.cc

@@ -8,9 +8,8 @@
 
 #include "atom/browser/api/atom_api_view.h"
 #include "atom/common/api/constructor.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
 
 namespace mate {
 

atom/browser/api/views/atom_api_button.cc

@@ -5,9 +5,8 @@
 #include "atom/browser/api/views/atom_api_button.h"
 
 #include "atom/common/api/constructor.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
 
 namespace atom {
 

atom/browser/api/views/atom_api_label_button.cc

@@ -5,11 +5,10 @@
 #include "atom/browser/api/views/atom_api_label_button.h"
 
 #include "atom/common/api/constructor.h"
+#include "atom/common/node_includes.h"
 #include "base/strings/utf_string_conversions.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {

atom/browser/api/views/atom_api_layout_manager.cc

@@ -5,9 +5,8 @@
 #include "atom/browser/api/views/atom_api_layout_manager.h"
 
 #include "atom/common/api/constructor.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
 
 namespace atom {
 

atom/browser/api/views/atom_api_md_text_button.cc

@@ -5,11 +5,10 @@
 #include "atom/browser/api/views/atom_api_md_text_button.h"
 
 #include "atom/common/api/constructor.h"
+#include "atom/common/node_includes.h"
 #include "base/strings/utf_string_conversions.h"
 #include "native_mate/dictionary.h"
 
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace api {

atom/browser/api/views/atom_api_resize_area.cc

@@ -5,9 +5,8 @@
 #include "atom/browser/api/views/atom_api_resize_area.h"
 
 #include "atom/common/api/constructor.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
 
 namespace atom {
 

atom/browser/api/views/atom_api_text_field.cc

@@ -5,9 +5,8 @@
 #include "atom/browser/api/views/atom_api_text_field.h"
 
 #include "atom/common/api/constructor.h"
-#include "native_mate/dictionary.h"
-
 #include "atom/common/node_includes.h"
+#include "native_mate/dictionary.h"
 
 namespace atom {
 

atom/browser/atom_blob_reader.cc

@@ -6,8 +6,9 @@
 
 #include <utility>
 
+#include "atom/common/node_includes.h"
 #include "base/task/post_task.h"
-#include "content/browser/blob_storage/chrome_blob_storage_context.h"
+#include "content/browser/blob_storage/chrome_blob_storage_context.h"  // nogncheck
 #include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/io_buffer.h"
@@ -16,8 +17,6 @@
 #include "storage/browser/blob/blob_reader.h"
 #include "storage/browser/blob/blob_storage_context.h"
 
-#include "atom/common/node_includes.h"
-
 using content::BrowserThread;
 
 namespace atom {
@@ -28,12 +27,10 @@ void FreeNodeBufferData(char* data, void* hint) {
   delete[] data;
 }
 
-void RunCallbackInUI(const AtomBlobReader::CompletionCallback& callback,
-                     char* blob_data,
-                     int size) {
+void RunPromiseInUI(util::Promise promise, char* blob_data, int size) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  v8::Isolate* isolate = promise.isolate();
 
-  v8::Isolate* isolate = v8::Isolate::GetCurrent();
   v8::Locker locker(isolate);
   v8::HandleScope handle_scope(isolate);
   if (blob_data) {
@@ -41,9 +38,9 @@ void RunCallbackInUI(const AtomBlobReader::CompletionCallback& callback,
         node::Buffer::New(isolate, blob_data, static_cast<size_t>(size),
                           &FreeNodeBufferData, nullptr)
             .ToLocalChecked();
-    callback.Run(buffer);
+    promise.Resolve(buffer);
   } else {
-    callback.Run(v8::Null(isolate));
+    promise.RejectWithErrorMessage("Could not get blob data");
   }
 }
 
@@ -54,29 +51,29 @@ AtomBlobReader::AtomBlobReader(content::ChromeBlobStorageContext* blob_context)
 
 AtomBlobReader::~AtomBlobReader() {}
 
-void AtomBlobReader::StartReading(
-    const std::string& uuid,
-    const AtomBlobReader::CompletionCallback& completion_callback) {
+void AtomBlobReader::StartReading(const std::string& uuid,
+                                  util::Promise promise) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   auto blob_data_handle = blob_context_->context()->GetBlobDataFromUUID(uuid);
-  auto callback = base::Bind(&RunCallbackInUI, completion_callback);
   if (!blob_data_handle) {
-    base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI},
-                             base::BindOnce(callback, nullptr, 0));
+    util::Promise::RejectPromise(std::move(promise),
+                                 "Could not get blob data handle");
     return;
   }
 
   auto blob_reader = blob_data_handle->CreateReader();
   BlobReadHelper* blob_read_helper =
-      new BlobReadHelper(std::move(blob_reader), callback);
+      new BlobReadHelper(std::move(blob_reader),
+                         base::BindOnce(&RunPromiseInUI, std::move(promise)));
   blob_read_helper->Read();
 }
 
 AtomBlobReader::BlobReadHelper::BlobReadHelper(
     std::unique_ptr<storage::BlobReader> blob_reader,
-    const BlobReadHelper::CompletionCallback& callback)
-    : blob_reader_(std::move(blob_reader)), completion_callback_(callback) {}
+    BlobReadHelper::CompletionCallback callback)
+    : blob_reader_(std::move(blob_reader)),
+      completion_callback_(std::move(callback)) {}
 
 AtomBlobReader::BlobReadHelper::~BlobReadHelper() {}
 
@@ -118,8 +115,9 @@ void AtomBlobReader::BlobReadHelper::DidReadBlobData(
 
   char* data = new char[size];
   memcpy(data, blob_data->data(), size);
-  base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI},
-                           base::BindOnce(completion_callback_, data, size));
+  base::PostTaskWithTraits(
+      FROM_HERE, {BrowserThread::UI},
+      base::BindOnce(std::move(completion_callback_), data, size));
   delete this;
 }
 

atom/browser/atom_blob_reader.h

@@ -8,6 +8,7 @@
 #include <memory>
 #include <string>
 
+#include "atom/common/promise_util.h"
 #include "base/callback.h"
 
 namespace content {
@@ -35,23 +36,20 @@ namespace atom {
 // except Ctor are expected to be called on IO thread.
 class AtomBlobReader {
  public:
-  using CompletionCallback = base::Callback<void(v8::Local<v8::Value>)>;
-
   explicit AtomBlobReader(content::ChromeBlobStorageContext* blob_context);
   ~AtomBlobReader();
 
-  void StartReading(const std::string& uuid,
-                    const AtomBlobReader::CompletionCallback& callback);
+  void StartReading(const std::string& uuid, atom::util::Promise promise);
 
  private:
   // A self-destroyed helper class to read the blob data.
   // Must be accessed on IO thread.
   class BlobReadHelper {
    public:
-    using CompletionCallback = base::Callback<void(char*, int)>;
+    using CompletionCallback = base::OnceCallback<void(char*, int)>;
 
     BlobReadHelper(std::unique_ptr<storage::BlobReader> blob_reader,
-                   const BlobReadHelper::CompletionCallback& callback);
+                   BlobReadHelper::CompletionCallback callback);
     ~BlobReadHelper();
 
     void Read();

atom/browser/atom_browser_client.cc

@@ -26,6 +26,8 @@
 #include "atom/browser/io_thread.h"
 #include "atom/browser/media/media_capture_devices_dispatcher.h"
 #include "atom/browser/native_window.h"
+#include "atom/browser/net/network_context_service.h"
+#include "atom/browser/net/network_context_service_factory.h"
 #include "atom/browser/notifications/notification_presenter.h"
 #include "atom/browser/notifications/platform_notification_service.h"
 #include "atom/browser/session_preferences.h"
@@ -72,13 +74,17 @@
 #include "ppapi/host/ppapi_host.h"
 #include "printing/buildflags/buildflags.h"
 #include "services/device/public/cpp/geolocation/location_provider.h"
+#include "services/network/public/cpp/features.h"
 #include "services/network/public/cpp/resource_request_body.h"
-#include "services/proxy_resolver/public/mojom/proxy_resolver.mojom.h"
-#include "services/service_manager/sandbox/switches.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "ui/native_theme/native_theme.h"
 #include "v8/include/v8.h"
 
+#if defined(OS_WIN)
+#include "sandbox/win/src/sandbox_policy.h"
+#endif
+
 #if defined(USE_NSS_CERTS)
 #include "net/ssl/client_cert_store_nss.h"
 #elif defined(OS_WIN)
@@ -106,10 +112,13 @@
 
 #if BUILDFLAG(ENABLE_PRINTING)
 #include "chrome/browser/printing/printing_message_filter.h"
-#include "chrome/services/printing/public/mojom/constants.mojom.h"
-#include "components/services/pdf_compositor/public/interfaces/pdf_compositor.mojom.h"
 #endif  // BUILDFLAG(ENABLE_PRINTING)
 
+#if defined(OS_MACOSX)
+#include "content/common/mac_helpers.h"
+#include "content/public/common/child_process_host.h"
+#endif
+
 using content::BrowserThread;
 
 namespace atom {
@@ -389,6 +398,11 @@ void AtomBrowserClient::OverrideWebkitPrefs(content::RenderViewHost* host,
   prefs->default_maximum_page_scale_factor = 1.f;
   prefs->navigate_on_drag_drop = false;
 
+  ui::NativeTheme* native_theme = ui::NativeTheme::GetInstanceForNativeUi();
+  prefs->preferred_color_scheme = native_theme->SystemDarkModeEnabled()
+                                      ? blink::PreferredColorScheme::kDark
+                                      : blink::PreferredColorScheme::kLight;
+
   SetFontDefaults(prefs);
 
   // Custom preferences of guest page.
@@ -398,13 +412,20 @@ void AtomBrowserClient::OverrideWebkitPrefs(content::RenderViewHost* host,
     web_preferences->OverrideWebkitPrefs(prefs);
 }
 
+void AtomBrowserClient::SetCanUseCustomSiteInstance(bool should_disable) {
+  disable_process_restart_tricks_ = should_disable;
+}
+
+bool AtomBrowserClient::CanUseCustomSiteInstance() {
+  return disable_process_restart_tricks_;
+}
+
 content::ContentBrowserClient::SiteInstanceForNavigationType
 AtomBrowserClient::ShouldOverrideSiteInstanceForNavigation(
     content::RenderFrameHost* current_rfh,
     content::RenderFrameHost* speculative_rfh,
     content::BrowserContext* browser_context,
     const GURL& url,
-    bool has_navigation_started,
     bool has_response_started,
     content::SiteInstance** affinity_site_instance) const {
   if (g_suppress_renderer_process_restart) {
@@ -439,13 +460,6 @@ AtomBrowserClient::ShouldOverrideSiteInstanceForNavigation(
     return SiteInstanceForNavigationType::FORCE_CURRENT;
   }
 
-  if (!has_navigation_started) {
-    // If the navigation didn't start yet, ignore any candidate site instance.
-    // If such instance exists, it belongs to a previous navigation still
-    // taking place. Fixes https://github.com/electron/electron/issues/17576.
-    return SiteInstanceForNavigationType::FORCE_NEW;
-  }
-
   return SiteInstanceForNavigationType::FORCE_CANDIDATE_OR_NEW;
 }
 
@@ -466,11 +480,28 @@ void AtomBrowserClient::AppendExtraCommandLineSwitches(
     int process_id) {
   // Make sure we're about to launch a known executable
   {
-    base::FilePath child_path;
-    base::PathService::Get(content::CHILD_PROCESS_EXE, &child_path);
-
     base::ThreadRestrictions::ScopedAllowIO allow_io;
-    CHECK(base::MakeAbsoluteFilePath(command_line->GetProgram()) == child_path);
+    base::FilePath child_path;
+    base::FilePath program =
+        base::MakeAbsoluteFilePath(command_line->GetProgram());
+#if defined(OS_MACOSX)
+    auto renderer_child_path = content::ChildProcessHost::GetChildPath(
+        content::ChildProcessHost::CHILD_RENDERER);
+    auto gpu_child_path = content::ChildProcessHost::GetChildPath(
+        content::ChildProcessHost::CHILD_GPU);
+    auto plugin_child_path = content::ChildProcessHost::GetChildPath(
+        content::ChildProcessHost::CHILD_PLUGIN);
+    if (program != renderer_child_path && program != gpu_child_path &&
+        program != plugin_child_path) {
+      child_path = content::ChildProcessHost::GetChildPath(
+          content::ChildProcessHost::CHILD_NORMAL);
+      CHECK_EQ(program, child_path)
+          << "Aborted from launching unexpected helper executable";
+    }
+#else
+    base::PathService::Get(content::CHILD_PROCESS_EXE, &child_path);
+    CHECK_EQ(program, child_path);
+#endif
   }
 
   std::string process_type =
@@ -504,21 +535,18 @@ void AtomBrowserClient::AppendExtraCommandLineSwitches(
 
   content::WebContents* web_contents = GetWebContentsFromProcessID(process_id);
   if (web_contents) {
-    // devtools processes must be launched unsandboxed in order for the remote
-    // API to work in devtools extensions. This is due to the fact that the
-    // remote API assumes that it will only be used from the main frame, but
-    // devtools extensions are loaded from an iframe.
-    // It would be possible to sandbox devtools extensions processes by default
-    // if we made the remote API work with multiple frames.
-    if (web_contents->GetVisibleURL().SchemeIs("chrome-devtools")) {
-      command_line->AppendSwitch(service_manager::switches::kNoSandbox);
-      command_line->AppendSwitch(::switches::kNoZygote);
+    if (web_contents->GetVisibleURL().SchemeIs("devtools")) {
+      command_line->AppendSwitch(switches::kDisableRemoteModule);
     }
     auto* web_preferences = WebContentsPreferences::From(web_contents);
     if (web_preferences)
       web_preferences->AppendCommandLineSwitches(command_line);
     SessionPreferences::AppendExtraCommandLineSwitches(
         web_contents->GetBrowserContext(), command_line);
+    if (CanUseCustomSiteInstance()) {
+      command_line->AppendSwitch(
+          switches::kDisableElectronSiteInstanceOverrides);
+    }
   }
 }
 
@@ -547,7 +575,7 @@ std::string AtomBrowserClient::GetGeolocationApiKey() {
   return api_key;
 }
 
-content::QuotaPermissionContext*
+scoped_refptr<content::QuotaPermissionContext>
 AtomBrowserClient::CreateQuotaPermissionContext() {
   return new AtomQuotaPermissionContext;
 }
@@ -568,14 +596,14 @@ void AtomBrowserClient::AllowCertificateError(
     int cert_error,
     const net::SSLInfo& ssl_info,
     const GURL& request_url,
-    content::ResourceType resource_type,
+    bool is_main_frame_request,
     bool strict_enforcement,
     bool expired_previous_decision,
     const base::Callback<void(content::CertificateRequestResultType)>&
         callback) {
   if (delegate_) {
     delegate_->AllowCertificateError(
-        web_contents, cert_error, ssl_info, request_url, resource_type,
+        web_contents, cert_error, ssl_info, request_url, is_main_frame_request,
         strict_enforcement, expired_previous_decision, callback);
   }
 }
@@ -697,46 +725,42 @@ network::mojom::NetworkContextPtr AtomBrowserClient::CreateNetworkContext(
     const base::FilePath& /*relative_partition_path*/) {
   if (!browser_context)
     return nullptr;
-  return static_cast<AtomBrowserContext*>(browser_context)->GetNetworkContext();
+
+  if (base::FeatureList::IsEnabled(network::features::kNetworkService)) {
+    return NetworkContextServiceFactory::GetForContext(browser_context)
+        ->CreateNetworkContext();
+  } else {
+    return static_cast<AtomBrowserContext*>(browser_context)
+        ->GetNetworkContext();
+  }
 }
 
-void AtomBrowserClient::RegisterOutOfProcessServices(
-    OutOfProcessServiceMap* services) {
-  (*services)[proxy_resolver::mojom::kProxyResolverServiceName] =
-      base::BindRepeating(&l10n_util::GetStringUTF16,
-                          IDS_UTILITY_PROCESS_PROXY_RESOLVER_NAME);
-
-#if BUILDFLAG(ENABLE_PRINTING)
-  (*services)[printing::mojom::kServiceName] =
-      base::BindRepeating(&l10n_util::GetStringUTF16,
-                          IDS_UTILITY_PROCESS_PDF_COMPOSITOR_SERVICE_NAME);
-
-  (*services)[printing::mojom::kChromePrintingServiceName] =
-      base::BindRepeating(&l10n_util::GetStringUTF16,
-                          IDS_UTILITY_PROCESS_PRINTING_SERVICE_NAME);
-#endif
+network::mojom::NetworkContext* AtomBrowserClient::GetSystemNetworkContext() {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  DCHECK(g_browser_process->system_network_context_manager());
+  return g_browser_process->system_network_context_manager()->GetContext();
 }
 
 base::Optional<service_manager::Manifest>
 AtomBrowserClient::GetServiceManifestOverlay(base::StringPiece name) {
-  if (name == content::mojom::kBrowserServiceName) {
+  if (name == content::mojom::kBrowserServiceName)
     return GetElectronContentBrowserOverlayManifest();
-  } else if (name == content::mojom::kPackagedServicesServiceName) {
-    service_manager::Manifest overlay;
-    overlay.packaged_services = GetElectronPackagedServicesOverlayManifest();
-    return overlay;
-  }
-
   return base::nullopt;
 }
 
+std::vector<service_manager::Manifest>
+AtomBrowserClient::GetExtraServiceManifests() {
+  return GetElectronBuiltinServiceManifests();
+}
+
 net::NetLog* AtomBrowserClient::GetNetLog() {
   return g_browser_process->net_log();
 }
 
-content::BrowserMainParts* AtomBrowserClient::CreateBrowserMainParts(
+std::unique_ptr<content::BrowserMainParts>
+AtomBrowserClient::CreateBrowserMainParts(
     const content::MainFunctionParams& params) {
-  return new AtomBrowserMainParts(params);
+  return std::make_unique<AtomBrowserMainParts>(params);
 }
 
 void AtomBrowserClient::WebNotificationAllowed(
@@ -824,8 +848,10 @@ bool AtomBrowserClient::HandleExternalProtocol(
     bool is_main_frame,
     ui::PageTransition page_transition,
     bool has_user_gesture,
-    const std::string& method,
-    const net::HttpRequestHeaders& headers) {
+    network::mojom::URLLoaderFactoryRequest* factory_request,
+    // clang-format off
+    network::mojom::URLLoaderFactory*& out_factory) {  // NOLINT
+  // clang-format on
   base::PostTaskWithTraits(
       FROM_HERE, {BrowserThread::UI},
       base::BindOnce(&HandleExternalProtocolInUI, url, web_contents_getter,
@@ -858,7 +884,8 @@ NotificationPresenter* AtomBrowserClient::GetNotificationPresenter() {
 }
 
 content::PlatformNotificationService*
-AtomBrowserClient::GetPlatformNotificationService() {
+AtomBrowserClient::GetPlatformNotificationService(
+    content::BrowserContext* browser_context) {
   if (!notification_service_) {
     notification_service_.reset(new PlatformNotificationService(this));
   }
@@ -883,8 +910,10 @@ AtomBrowserClient::GetSystemSharedURLLoaderFactory() {
 
 void AtomBrowserClient::OnNetworkServiceCreated(
     network::mojom::NetworkService* network_service) {
-  if (!g_browser_process)
+  if (!g_browser_process ||
+      !base::FeatureList::IsEnabled(network::features::kNetworkService))
     return;
+
   g_browser_process->system_network_context_manager()->OnNetworkServiceCreated(
       network_service);
 }
@@ -901,9 +930,27 @@ std::string AtomBrowserClient::GetProduct() const {
 }
 
 std::string AtomBrowserClient::GetUserAgent() const {
-  return GetApplicationUserAgent();
+  if (user_agent_override_.empty())
+    return GetApplicationUserAgent();
+  return user_agent_override_;
 }
 
+void AtomBrowserClient::SetUserAgent(const std::string& user_agent) {
+  user_agent_override_ = user_agent;
+}
+
+#if defined(OS_WIN)
+bool AtomBrowserClient::PreSpawnRenderer(sandbox::TargetPolicy* policy) {
+  // Allow crashpad to communicate via named pipe.
+  sandbox::ResultCode result = policy->AddRule(
+      sandbox::TargetPolicy::SUBSYS_FILES,
+      sandbox::TargetPolicy::FILES_ALLOW_ANY, L"\\??\\pipe\\crashpad_*");
+  if (result != sandbox::SBOX_ALL_OK)
+    return false;
+  return true;
+}
+#endif  // defined(OS_WIN)
+
 std::string AtomBrowserClient::GetApplicationLocale() {
   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
     return g_io_thread_application_locale.Get();

atom/browser/atom_browser_client.h

@@ -64,6 +64,12 @@ class AtomBrowserClient : public content::ContentBrowserClient,
   // content::ContentBrowserClient:
   bool ShouldEnableStrictSiteIsolation() override;
 
+  std::string GetUserAgent() const override;
+  void SetUserAgent(const std::string& user_agent);
+
+  void SetCanUseCustomSiteInstance(bool should_disable);
+  bool CanUseCustomSiteInstance() override;
+
  protected:
   void RenderProcessWillLaunch(
       content::RenderProcessHost* host,
@@ -78,7 +84,6 @@ class AtomBrowserClient : public content::ContentBrowserClient,
       content::RenderFrameHost* speculative_rfh,
       content::BrowserContext* browser_context,
       const GURL& url,
-      bool has_navigation_started,
       bool has_request_started,
       content::SiteInstance** affinity_site_instance) const override;
   void RegisterPendingSiteInstance(
@@ -91,7 +96,8 @@ class AtomBrowserClient : public content::ContentBrowserClient,
       base::CommandLine* command_line) override;
   void DidCreatePpapiPlugin(content::BrowserPpapiHost* browser_host) override;
   std::string GetGeolocationApiKey() override;
-  content::QuotaPermissionContext* CreateQuotaPermissionContext() override;
+  scoped_refptr<content::QuotaPermissionContext> CreateQuotaPermissionContext()
+      override;
   content::GeneratedCodeCacheSettings GetGeneratedCodeCacheSettings(
       content::BrowserContext* context) override;
   void AllowCertificateError(
@@ -99,7 +105,7 @@ class AtomBrowserClient : public content::ContentBrowserClient,
       int cert_error,
       const net::SSLInfo& ssl_info,
       const GURL& request_url,
-      content::ResourceType resource_type,
+      bool is_main_frame_request,
       bool strict_enforcement,
       bool expired_previous_decision,
       const base::Callback<void(content::CertificateRequestResultType)>&
@@ -138,15 +144,16 @@ class AtomBrowserClient : public content::ContentBrowserClient,
       content::BrowserContext* browser_context,
       bool in_memory,
       const base::FilePath& relative_partition_path) override;
-  void RegisterOutOfProcessServices(OutOfProcessServiceMap* services) override;
+  network::mojom::NetworkContext* GetSystemNetworkContext() override;
   base::Optional<service_manager::Manifest> GetServiceManifestOverlay(
       base::StringPiece name) override;
+  std::vector<service_manager::Manifest> GetExtraServiceManifests() override;
   net::NetLog* GetNetLog() override;
   content::MediaObserver* GetMediaObserver() override;
   content::DevToolsManagerDelegate* GetDevToolsManagerDelegate() override;
-  content::PlatformNotificationService* GetPlatformNotificationService()
-      override;
-  content::BrowserMainParts* CreateBrowserMainParts(
+  content::PlatformNotificationService* GetPlatformNotificationService(
+      content::BrowserContext* browser_context) override;
+  std::unique_ptr<content::BrowserMainParts> CreateBrowserMainParts(
       const content::MainFunctionParams&) override;
   base::FilePath GetDefaultDownloadDirectory() override;
   scoped_refptr<network::SharedURLLoaderFactory>
@@ -155,7 +162,9 @@ class AtomBrowserClient : public content::ContentBrowserClient,
       network::mojom::NetworkService* network_service) override;
   bool ShouldBypassCORB(int render_process_id) const override;
   std::string GetProduct() const override;
-  std::string GetUserAgent() const override;
+#if defined(OS_WIN)
+  bool PreSpawnRenderer(sandbox::TargetPolicy* policy) override;
+#endif
 
   // content::RenderProcessHostObserver:
   void RenderProcessHostDestroyed(content::RenderProcessHost* host) override;
@@ -171,8 +180,11 @@ class AtomBrowserClient : public content::ContentBrowserClient,
       bool is_main_frame,
       ui::PageTransition page_transition,
       bool has_user_gesture,
-      const std::string& method,
-      const net::HttpRequestHeaders& headers) override;
+      network::mojom::URLLoaderFactoryRequest* factory_request,
+      // clang-format off
+      network::mojom::URLLoaderFactory*& out_factory)  // NOLINT
+      // clang-format on
+      override;
 
  private:
   struct ProcessPreferences {
@@ -226,6 +238,10 @@ class AtomBrowserClient : public content::ContentBrowserClient,
   mutable base::Lock process_preferences_lock_;
   std::map<int, ProcessPreferences> process_preferences_;
 
+  std::string user_agent_override_ = "";
+
+  bool disable_process_restart_tricks_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(AtomBrowserClient);
 };
 

atom/browser/atom_browser_context.cc

@@ -7,6 +7,7 @@
 #include <utility>
 
 #include "atom/browser/atom_blob_reader.h"
+#include "atom/browser/atom_browser_client.h"
 #include "atom/browser/atom_browser_main_parts.h"
 #include "atom/browser/atom_download_manager_delegate.h"
 #include "atom/browser/atom_paths.h"
@@ -36,10 +37,11 @@
 #include "components/prefs/value_map_pref_store.h"
 #include "components/proxy_config/pref_proxy_config_tracker_impl.h"
 #include "components/proxy_config/proxy_config_pref_names.h"
-#include "content/browser/blob_storage/chrome_blob_storage_context.h"
+#include "content/browser/blob_storage/chrome_blob_storage_context.h"  // nogncheck
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/storage_partition.h"
 #include "net/base/escape.h"
+#include "services/network/public/cpp/features.h"
 
 using content::BrowserThread;
 
@@ -66,7 +68,7 @@ AtomBrowserContext::AtomBrowserContext(const std::string& partition,
       storage_policy_(new SpecialStoragePolicy),
       in_memory_(in_memory),
       weak_factory_(this) {
-  user_agent_ = GetApplicationUserAgent();
+  user_agent_ = AtomBrowserClient::Get()->GetUserAgent();
 
   // Read options.
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
@@ -92,8 +94,12 @@ AtomBrowserContext::AtomBrowserContext(const std::string& partition,
   // Initialize Pref Registry.
   InitPrefs();
 
-  proxy_config_monitor_ = std::make_unique<ProxyConfigMonitor>(prefs_.get());
-  io_handle_ = new URLRequestContextGetter::Handle(weak_factory_.GetWeakPtr());
+  if (!base::FeatureList::IsEnabled(network::features::kNetworkService)) {
+    proxy_config_monitor_ = std::make_unique<ProxyConfigMonitor>(prefs_.get());
+    io_handle_ =
+        new URLRequestContextGetter::Handle(weak_factory_.GetWeakPtr());
+  }
+
   cookie_change_notifier_ = std::make_unique<CookieChangeNotifier>(this);
 
   BrowserContextDependencyManager::GetInstance()->MarkBrowserContextLive(this);
@@ -103,7 +109,14 @@ AtomBrowserContext::~AtomBrowserContext() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   NotifyWillBeDestroyed(this);
   ShutdownStoragePartitions();
-  io_handle_->ShutdownOnUIThread();
+
+  if (!base::FeatureList::IsEnabled(network::features::kNetworkService)) {
+    io_handle_->ShutdownOnUIThread();
+  } else {
+    BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE,
+                              std::move(resource_context_));
+  }
+
   // Notify any keyed services of browser context destruction.
   BrowserContextDependencyManager::GetInstance()->DestroyBrowserContextServices(
       this);
@@ -145,22 +158,42 @@ void AtomBrowserContext::SetUserAgent(const std::string& user_agent) {
 net::URLRequestContextGetter* AtomBrowserContext::CreateRequestContext(
     content::ProtocolHandlerMap* protocol_handlers,
     content::URLRequestInterceptorScopedVector protocol_interceptors) {
-  return io_handle_
-      ->CreateMainRequestContextGetter(protocol_handlers,
-                                       std::move(protocol_interceptors))
-      .get();
+  if (!base::FeatureList::IsEnabled(network::features::kNetworkService)) {
+    return io_handle_
+        ->CreateMainRequestContextGetter(protocol_handlers,
+                                         std::move(protocol_interceptors))
+        .get();
+  } else {
+    NOTREACHED();
+    return nullptr;
+  }
 }
 
 net::URLRequestContextGetter* AtomBrowserContext::CreateMediaRequestContext() {
-  return io_handle_->GetMainRequestContextGetter().get();
+  if (!base::FeatureList::IsEnabled(network::features::kNetworkService)) {
+    return io_handle_->GetMainRequestContextGetter().get();
+  } else {
+    NOTREACHED();
+    return nullptr;
+  }
 }
 
 net::URLRequestContextGetter* AtomBrowserContext::GetRequestContext() {
-  return GetDefaultStoragePartition(this)->GetURLRequestContext();
+  if (!base::FeatureList::IsEnabled(network::features::kNetworkService)) {
+    return GetDefaultStoragePartition(this)->GetURLRequestContext();
+  } else {
+    NOTREACHED();
+    return nullptr;
+  }
 }
 
 network::mojom::NetworkContextPtr AtomBrowserContext::GetNetworkContext() {
-  return io_handle_->GetNetworkContext();
+  if (!base::FeatureList::IsEnabled(network::features::kNetworkService)) {
+    return io_handle_->GetNetworkContext();
+  } else {
+    NOTREACHED();
+    return nullptr;
+  }
 }
 
 base::FilePath AtomBrowserContext::GetPath() const {
@@ -180,7 +213,13 @@ int AtomBrowserContext::GetMaxCacheSize() const {
 }
 
 content::ResourceContext* AtomBrowserContext::GetResourceContext() {
-  return io_handle_->GetResourceContext();
+  if (!base::FeatureList::IsEnabled(network::features::kNetworkService)) {
+    return io_handle_->GetResourceContext();
+  } else {
+    if (!resource_context_)
+      resource_context_.reset(new content::ResourceContext);
+    return resource_context_.get();
+  }
 }
 
 std::string AtomBrowserContext::GetMediaDeviceIDSalt() {

atom/browser/atom_browser_context.h

@@ -16,6 +16,7 @@
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/net/proxy_config_monitor.h"
 #include "content/public/browser/browser_context.h"
+#include "content/public/browser/resource_context.h"
 
 class PrefRegistrySimple;
 class PrefService;
@@ -148,6 +149,7 @@ class AtomBrowserContext
   URLRequestContextGetter::Handle* io_handle_;
   ValueMapPrefStore* in_memory_pref_store_;
 
+  std::unique_ptr<content::ResourceContext> resource_context_;
   std::unique_ptr<CookieChangeNotifier> cookie_change_notifier_;
   std::unique_ptr<PrefService> prefs_;
   std::unique_ptr<AtomDownloadManagerDelegate> download_manager_delegate_;

atom/browser/atom_browser_main_parts.cc

@@ -23,10 +23,11 @@
 #include "atom/browser/media/media_capture_devices_dispatcher.h"
 #include "atom/browser/node_debugger.h"
 #include "atom/browser/ui/devtools_manager_delegate.h"
-#include "atom/common/api/atom_bindings.h"
+#include "atom/common/api/electron_bindings.h"
 #include "atom/common/application_info.h"
 #include "atom/common/asar/asar_util.h"
 #include "atom/common/node_bindings.h"
+#include "atom/common/node_includes.h"
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/feature_list.h"
@@ -45,6 +46,7 @@
 #include "electron/buildflags/buildflags.h"
 #include "media/base/localized_strings.h"
 #include "services/device/public/mojom/constants.mojom.h"
+#include "services/network/public/cpp/features.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "ui/base/idle/idle.h"
 #include "ui/base/material_design/material_design_controller.h"
@@ -74,7 +76,7 @@
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #include "ui/display/win/dpi.h"
-#include "ui/gfx/platform_font_win.h"
+#include "ui/gfx/system_fonts_win.h"
 #include "ui/strings/grit/app_locale_settings.h"
 #endif
 
@@ -89,9 +91,6 @@
 #include "device/bluetooth/dbus/dbus_bluez_manager_wrapper_linux.h"
 #endif
 
-// Must be included after all other headers.
-#include "atom/common/node_includes.h"
-
 namespace atom {
 
 namespace {
@@ -103,7 +102,7 @@ void Erase(T* container, typename T::iterator iter) {
 
 #if defined(OS_WIN)
 // gfx::Font callbacks
-void AdjustUIFont(gfx::PlatformFontWin::FontAdjustment* font_adjustment) {
+void AdjustUIFont(gfx::win::FontAdjustment* font_adjustment) {
   l10n_util::NeedOverrideDefaultUIFont(&font_adjustment->font_family_override,
                                        &font_adjustment->font_scale);
   font_adjustment->font_scale *= display::win::GetAccessibilityFontScale();
@@ -215,17 +214,6 @@ void AtomBrowserMainParts::InitializeFeatureList() {
   base::FeatureList::SetInstance(std::move(feature_list));
 }
 
-#if !defined(OS_MACOSX)
-void AtomBrowserMainParts::OverrideAppLogsPath() {
-  base::FilePath path;
-  if (base::PathService::Get(DIR_APP_DATA, &path)) {
-    path = path.Append(base::FilePath::FromUTF8Unsafe(GetApplicationName()));
-    path = path.Append(base::FilePath::FromUTF8Unsafe("logs"));
-    base::PathService::Override(DIR_APP_LOGS, path);
-  }
-}
-#endif
-
 // static
 AtomBrowserMainParts* AtomBrowserMainParts::self_ = nullptr;
 
@@ -234,7 +222,7 @@ AtomBrowserMainParts::AtomBrowserMainParts(
     : fake_browser_process_(new BrowserProcessImpl),
       browser_(new Browser),
       node_bindings_(NodeBindings::Create(NodeBindings::BROWSER)),
-      atom_bindings_(new AtomBindings(uv_default_loop())),
+      electron_bindings_(new ElectronBindings(uv_default_loop())),
       main_function_params_(params) {
   DCHECK(!self_) << "Cannot have two AtomBrowserMainParts";
   self_ = this;
@@ -284,7 +272,7 @@ void AtomBrowserMainParts::RegisterDestructionCallback(
 
 int AtomBrowserMainParts::PreEarlyInitialization() {
   InitializeFeatureList();
-  OverrideAppLogsPath();
+  field_trial_list_ = std::make_unique<base::FieldTrialList>(nullptr);
 #if defined(USE_X11)
   views::LinuxUI::SetInstance(BuildGtkUi());
   OverrideLinuxAppDataPath();
@@ -314,15 +302,46 @@ void AtomBrowserMainParts::PostEarlyInitialization() {
   node_bindings_->Initialize();
   // Create the global environment.
   node::Environment* env = node_bindings_->CreateEnvironment(
-      js_env_->context(), js_env_->platform());
+      js_env_->context(), js_env_->platform(), false);
   node_env_.reset(new NodeEnvironment(env));
 
+  /**
+   * 🚨  🚨  🚨  🚨  🚨  🚨  🚨  🚨  🚨
+   * UNSAFE ENVIRONMENT BLOCK BEGINS
+   *
+   * DO NOT USE node::Environment inside this block, bad things will happen
+   * and you won't be able to figure out why.  Just don't touch it, the only
+   * thing that can use it is NodeDebugger and that is ONLY allowed to access
+   * the inspector agent.
+   *
+   * This is unsafe because the environment is not yet bootstrapped, it's a race
+   * condition where we can't bootstrap before intializing the inspector agent.
+   *
+   * Long term we should figure out how to get node to initialize the inspector
+   * agent in the correct place without us splitting the bootstrap up, but for
+   * now this works.
+   * 🚨  🚨  🚨  🚨  🚨  🚨  🚨  🚨  🚨
+   */
+
   // Enable support for v8 inspector
   node_debugger_.reset(new NodeDebugger(env));
   node_debugger_->Start();
 
+  // Only run the node bootstrapper after we have initialized the inspector
+  // TODO(MarshallOfSound): Figured out a better way to init the inspector
+  // before bootstrapping
+  node::BootstrapEnvironment(env);
+
+  /**
+   * ✅  ✅  ✅  ✅  ✅  ✅  ✅
+   * UNSAFE ENVIRONMENT BLOCK ENDS
+   *
+   * Do whatever you want now with that env, it's safe again
+   * ✅  ✅  ✅  ✅  ✅  ✅  ✅
+   */
+
   // Add Electron extended APIs.
-  atom_bindings_->BindTo(js_env_->isolate(), env->process_object());
+  electron_bindings_->BindTo(js_env_->isolate(), env->process_object());
 
   // Load everything.
   node_bindings_->LoadEnvironment(env);
@@ -392,8 +411,8 @@ void AtomBrowserMainParts::ToolkitInitialized() {
 #endif
 
 #if defined(OS_WIN)
-  gfx::PlatformFontWin::SetAdjustFontCallback(&AdjustUIFont);
-  gfx::PlatformFontWin::SetGetMinimumFontSizeCallback(&GetMinimumFontSize);
+  gfx::win::SetAdjustFontCallback(&AdjustUIFont);
+  gfx::win::SetGetMinimumFontSizeCallback(&GetMinimumFontSize);
 
   wchar_t module_name[MAX_PATH] = {0};
   if (GetModuleFileName(NULL, module_name, MAX_PATH))

atom/browser/atom_browser_main_parts.h

@@ -10,6 +10,7 @@
 #include <string>
 
 #include "base/callback.h"
+#include "base/metrics/field_trial.h"
 #include "base/timer/timer.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_main_parts.h"
@@ -28,7 +29,7 @@ class WMState;
 
 namespace atom {
 
-class AtomBindings;
+class ElectronBindings;
 class Browser;
 class JavascriptEnvironment;
 class NodeBindings;
@@ -87,7 +88,6 @@ class AtomBrowserMainParts : public content::BrowserMainParts {
 
  private:
   void InitializeFeatureList();
-  void OverrideAppLogsPath();
   void PreMainMessageLoopStartCommon();
 
 #if defined(OS_POSIX)
@@ -122,10 +122,11 @@ class AtomBrowserMainParts : public content::BrowserMainParts {
   std::unique_ptr<Browser> browser_;
   std::unique_ptr<JavascriptEnvironment> js_env_;
   std::unique_ptr<NodeBindings> node_bindings_;
-  std::unique_ptr<AtomBindings> atom_bindings_;
+  std::unique_ptr<ElectronBindings> electron_bindings_;
   std::unique_ptr<NodeEnvironment> node_env_;
   std::unique_ptr<NodeDebugger> node_debugger_;
   std::unique_ptr<IconManager> icon_manager_;
+  std::unique_ptr<base::FieldTrialList> field_trial_list_;
 
   base::RepeatingTimer gc_timer_;
 

atom/browser/atom_browser_main_parts_mac.mm

@@ -32,19 +32,6 @@ void AtomBrowserMainParts::FreeAppDelegate() {
   [NSApp setDelegate:nil];
 }
 
-void AtomBrowserMainParts::OverrideAppLogsPath() {
-  base::FilePath path;
-  NSString* bundleName =
-      [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"];
-  NSString* logsPath =
-      [NSString stringWithFormat:@"Library/Logs/%@", bundleName];
-  NSString* libraryPath =
-      [NSHomeDirectory() stringByAppendingPathComponent:logsPath];
-
-  base::PathService::Override(DIR_APP_LOGS,
-                              base::FilePath([libraryPath UTF8String]));
-}
-
 // Replicates NSApplicationMain, but doesn't start a run loop.
 void AtomBrowserMainParts::InitializeMainNib() {
   auto infoDictionary = base::mac::OuterBundle().infoDictionary;