Merge pull request #9 from flutter/master

Update master

.cirrus.yml

@@ -1,11 +1,11 @@
 gcp_credentials: ENCRYPTED[987a78af29b91ce8489594c9ab3fec21845bbe5ba68294b8f6def3cf0d380830f06687a89ea69c87344c5ade369700fe]
 
 web_shard_template: &WEB_SHARD_TEMPLATE
-  only_if: "changesInclude('.cirrus.yml', 'lib/web_ui/**', 'web_sdk/**') || $CIRRUS_PR == ''"
+  only_if: "changesInclude('.cirrus.yml', 'DEPS', 'lib/web_ui/**', 'web_sdk/**') || $CIRRUS_PR == ''"
   environment:
-    # As of October 2019, the Web shards needed more than 6G of RAM.
-    CPU: 2
-    MEMORY: 8G
+        # As of March 2020, the Web shards needed 16G of RAM and 4 CPUs to run all framework tests with goldens without flaking.
+    CPU: 4
+    MEMORY: 16G
   compile_host_script: |
     cd $ENGINE_PATH/src
     ./flutter/tools/gn --unoptimized --full-dart-sdk
@@ -60,10 +60,23 @@ task:
         cd $ENGINE_PATH/src/out/host_release/
         ./txt_benchmarks --benchmark_format=json > txt_benchmarks.json
         ./fml_benchmarks --benchmark_format=json > fml_benchmarks.json
+        ./shell_benchmarks --benchmark_format=json > shell_benchmarks.json
         cd $ENGINE_PATH/src/flutter/testing/benchmark
         pub get
         dart bin/parse_and_send.dart ../../../out/host_release/txt_benchmarks.json
         dart bin/parse_and_send.dart ../../../out/host_release/fml_benchmarks.json
+        dart bin/parse_and_send.dart ../../../out/host_release/shell_benchmarks.json
+    - name: build_and_test_linux_release
+      compile_host_script: |
+        cd $ENGINE_PATH/src
+        ./flutter/tools/gn --runtime-mode=release
+        ninja -C out/host_release
+      test_host_script: |
+        cd $ENGINE_PATH/src
+        ./flutter/testing/run_tests.sh host_release
+
+    # The following test depends on Flutter framework repo. It may fail if the
+    # framework repo is currently broken.
     - name: build_and_test_linux_unopt_debug
       compile_host_script: |
         cd $ENGINE_PATH/src
@@ -126,6 +139,16 @@ task:
     - name: web_tests-7_last-linux # last Web shard must end with _last
       << : *WEB_SHARD_TEMPLATE
 
+    - name: web_engine_analysis
+      compile_host_script: |
+        cd $ENGINE_PATH/src
+        ./flutter/tools/gn --unoptimized --full-dart-sdk
+        ninja -C out/host_debug_unopt
+      script:
+        - cd $ENGINE_PATH/src/flutter/lib/web_ui
+        - $ENGINE_PATH/src/out/host_debug_unopt/dart-sdk/bin/pub get
+        - $ENGINE_PATH/src/out/host_debug_unopt/dart-sdk/bin/dartanalyzer --fatal-warnings --fatal-hints dev/ lib/ test/ tool/
+
     - name: web_engine_integration_test_linux
       compile_host_script: |
         cd $ENGINE_PATH/src
@@ -146,6 +169,9 @@ task:
         - $FRAMEWORK_PATH/flutter/bin/flutter config --local-engine=host_debug_unopt --no-analytics --enable-web
         - $FRAMEWORK_PATH/flutter/bin/flutter pub get --local-engine=host_debug_unopt
         - $FRAMEWORK_PATH/flutter/bin/flutter drive -v --target=test_driver/text_editing_e2e.dart -d web-server --release --browser-name=chrome --local-engine=host_debug_unopt
+        - $FRAMEWORK_PATH/flutter/bin/flutter drive -v --target=test_driver/platform_messages_e2e.dart -d web-server --release --browser-name=chrome --local-engine=host_debug_unopt
+        - $FRAMEWORK_PATH/flutter/bin/flutter drive -v --target=test_driver/treeshaking_e2e.dart -d web-server --profile --browser-name=chrome --local-engine=host_debug_unopt
+        - $FRAMEWORK_PATH/flutter/bin/flutter drive -v --target=test_driver/image_loading_e2e.dart -d web-server --release --browser-name=chrome --local-engine=host_debug_unopt
 
     - name: build_and_test_web_linux_firefox
       compile_host_script: |
@@ -186,40 +212,3 @@ task:
         cd $ENGINE_PATH/src
         ./flutter/tools/fuchsia/build_fuchsia_artifacts.py --engine-version HEAD --runtime-mode debug --no-lto --archs x64
         cd $ENGINE_PATH/src/flutter
-
-# WINDOWS
-task:
-  gce_instance:
-    image_project: flutter-cirrus
-    image_name: flutter-engine-windows-server-2016
-    zone: us-central1-a
-    platform: windows
-    cpu: 32
-    memory: 32Gb
-    disk: 50
-  env:
-    # Cirrus is somehow not picking up the environment variables set in the VM image.
-    PATH: "c:/depot_tools;c:/MinGit/cmd;$PATH"
-    DEPOT_TOOLS_WIN_TOOLCHAIN: 0
-    GYP_MSVS_OVERRIDE_PATH: "c:/Program Files (x86)/Microsoft Visual Studio/2017/Community"
-    ENGINE_PATH: "c:/flutter/engine"
-  setup_script: |
-    REM robocopy can return 1 for successful copy; suppress its error code.
-    REM move somehow doesn't work as it complains that the file is being used by another process.
-    robocopy %CIRRUS_WORKING_DIR% %ENGINE_PATH%/src/flutter /MIR| (cmd /s /c exit /b 0)
-    cd %ENGINE_PATH%/src
-    gclient sync
-  matrix:
-    - name: build_and_test_windows_unopt_debug
-      compile_host_script: |
-        cd %ENGINE_PATH%/src
-        python flutter/tools/gn --runtime-mode debug --unoptimized
-        ninja -C out/host_debug_unopt
-      test_host_script: |
-        cd %ENGINE_PATH%/src
-        python flutter/testing/run_tests.py --type=engine
-    - name: build_windows_opt_debug
-      compile_host_script: |
-        cd %ENGINE_PATH%/src
-        python flutter/tools/gn --runtime-mode debug
-        ninja -C out/host_debug

.github/auto_assign.yml

@@ -20,7 +20,6 @@ reviewers:
   - franciscojma86
   - cbracken
   - flar
-  - stuartmorgan
 
 # A number of reviewers added to the pull request
 # Set 0 to add all the reviewers (default: 0)

BUILD.gn

@@ -19,7 +19,7 @@ group("flutter") {
 
   public_deps = []
 
-  if (!(is_fuchsia && using_fuchsia_sdk)) {
+  if (!is_fuchsia) {
     public_deps += [
       "//flutter/lib/snapshot:generate_snapshot_bin",
       "//flutter/lib/snapshot:kernel_platform_files",
@@ -40,14 +40,14 @@ group("flutter") {
     public_deps += [ "//flutter/tools/const_finder" ]
   }
 
-  if (is_fuchsia && using_fuchsia_sdk) {
+  if (is_fuchsia) {
     public_deps += [
       "//flutter/shell/platform/fuchsia",
       "//flutter/shell/testing($host_toolchain)",
     ]
   }
 
-  if (!is_fuchsia && !is_fuchsia_host) {
+  if (!is_fuchsia) {
     if (current_toolchain == host_toolchain) {
       public_deps += [
         "//flutter/flutter_frontend_server:frontend_server",
@@ -75,6 +75,8 @@ group("flutter") {
       "//flutter/lib/ui:ui_unittests",
       "//flutter/runtime:runtime_unittests",
       "//flutter/shell/common:shell_unittests",
+      "//flutter/shell/platform/common/cpp:common_cpp_core_unittests",
+      "//flutter/shell/platform/common/cpp:common_cpp_unittests",
       "//flutter/shell/platform/common/cpp/client_wrapper:client_wrapper_unittests",
       "//flutter/shell/platform/embedder:embedder_unittests",
       "//flutter/shell/platform/glfw/client_wrapper:client_wrapper_glfw_unittests",

DEPS

@@ -26,20 +26,20 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '320c32bfa3062b0c67270667df5e4df1856f176e',
+  'skia_revision': 'ad653d8378d7a17502956c4addebb68eb3129961',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the
   # Dart SDK's DEPS file for that revision of Dart. The DEPS file for
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '7c5059f528814e14dc9ff29ee1629b922daf77a4',
+  'dart_revision': '3e43a3dcadf96c0f1e30b12e0a1805df5a336c3c',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
-  'dart_args_tag': '1.5.3',
-  'dart_async_tag': '2.0.8',
+  'dart_args_tag': '1.6.0',
+  'dart_async_tag': '2.4.1',
   'dart_bazel_worker_tag': 'v0.1.22',
   'dart_boolean_selector_tag': '1.0.4',
   'dart_boringssl_gen_rev': 'b9e27cff1ff0803e97ab1f88764a83be4aa94a6d',
@@ -60,9 +60,9 @@ vars = {
   'dart_http_retry_tag': '0.1.1',
   'dart_http_tag': '0.12.0+2',
   'dart_http_throttle_tag': '1.0.2',
-  'dart_intl_tag': '0.15.7',
+  'dart_intl_tag': '0.16.1',
   'dart_json_rpc_2_tag': '2.0.9',
-  'dart_linter_tag': '0.1.112',
+  'dart_linter_tag': '0.1.115',
   'dart_logging_tag': '0.11.3+2',
   'dart_markdown_tag': '2.1.1',
   'dart_matcher_tag': '0.12.5',
@@ -71,14 +71,13 @@ vars = {
   'dart_mustache_tag': '5e81b12215566dbe2473b2afd01a8a8aedd56ad9',
   'dart_oauth2_tag': '1.2.1',
   'dart_observatory_pub_packages_rev': '0894122173b0f98eb08863a7712e78407d4477bc',
-  'dart_package_config_tag': '87a8b5184020ebcc13b34ee95dde58f851b68ca3',
-  'dart_package_resolver_tag': '1.0.10',
+  'dart_package_config_tag': 'v1.9.2',
   'dart_path_tag': '1.6.2',
-  'dart_pedantic_tag': 'v1.8.0',
+  'dart_pedantic_tag': 'v1.9.0',
   'dart_pool_tag': '1.3.6',
   'dart_protobuf_rev': '3746c8fd3f2b0147623a8e3db89c3ff4330de760',
-  'dart_pub_rev': '429a06039d185149f387a65e3503b0693ce6d24e',
-  'dart_pub_semver_tag': '1.4.2',
+  'dart_pub_rev': '3606265962da4248d34d352aa3d170aae4496a90',
+  'dart_pub_semver_tag': 'v1.4.4',
   'dart_quiver-dart_tag': '2.0.0+1',
   'dart_resource_rev': 'f8e37558a1c4f54550aa463b88a6a831e3e33cd6',
   'dart_root_certificates_rev': '16ef64be64c7dfdff2b9f4b910726e635ccc519e',
@@ -88,7 +87,7 @@ vars = {
   'dart_shelf_web_socket_tag': '0.2.2+3',
   'dart_source_map_stack_trace_tag': '2.0.0',
   'dart_source_maps_tag': '8af7cc1a1c3a193c1fba5993ce22a546a319c40e',
-  'dart_source_span_tag': '1.5.5',
+  'dart_source_span_tag': '1.7.0',
   'dart_stack_trace_tag': '1.9.3',
   'dart_stagehand_tag': 'v3.3.7',
   'dart_stream_channel_tag': '2.0.0',
@@ -100,7 +99,7 @@ vars = {
   'dart_typed_data_tag': '1.1.6',
   'dart_usage_tag': '3.4.0',
   'dart_watcher_rev': '0.9.7+14',
-  'dart_web_socket_channel_tag': '1.0.9',
+  'dart_web_socket_channel_tag': '1.0.15',
   'dart_yaml_tag': '2.2.0',
 
   'ocmock_tag': 'v3.4.3',
@@ -114,6 +113,9 @@ vars = {
   # Checkout Windows dependencies only if we are building on Windows.
   'download_windows_deps' : 'host_os == "win"',
 
+  # Checkout Linux dependencies only when building on Linux.
+  'download_linux_deps': 'host_os == "linux"',
+
   # An LLVM backend needs LLVM binaries and headers. To avoid build time
   # increases we can use prebuilts. We don't want to download this on every
   # CQ/CI bot nor do we want the average Dart developer to incur that cost.
@@ -137,7 +139,7 @@ allowed_hosts = [
 ]
 
 deps = {
-  'src': 'https://github.com/flutter/buildroot.git' + '@' + 'd14f3c708fb132381f7053b4ee9e628be915ed96',
+  'src': 'https://github.com/flutter/buildroot.git' + '@' + '036715c76da60220b39312ea066cd65d32c2157d',
 
    # Fuchsia compatibility
    #
@@ -177,6 +179,9 @@ deps = {
   'src/third_party/icu':
    Var('chromium_git') + '/chromium/deps/icu.git' + '@' + '5005010d694e16571b8dfbf07d70817841f80a69',
 
+  'src/third_party/khronos':
+   Var('chromium_git') + '/chromium/src/third_party/khronos.git' + '@' + '7122230e90547962e0f0c627f62eeed3c701f275',
+
   'src/third_party/boringssl':
    Var('github_git') + '/dart-lang/boringssl_gen.git' + '@' + Var('dart_boringssl_gen_rev'),
 
@@ -228,7 +233,7 @@ deps = {
    Var('dart_git') + '/dart2js_info.git' + '@' + Var('dart_dart2js_info_tag'),
 
   'src/third_party/dart/third_party/pkg/dartdoc':
-   Var('dart_git') + '/dartdoc.git@v0.30.2',
+   Var('dart_git') + '/dartdoc.git@v0.30.3',
 
   'src/third_party/dart/third_party/pkg/ffi':
    Var('dart_git') + '/ffi.git' + '@' + Var('dart_ffi_tag'),
@@ -377,11 +382,8 @@ deps = {
   'src/third_party/dart/third_party/pkg_tested/package_config':
    Var('dart_git') + '/package_config.git' + '@' + Var('dart_package_config_tag'),
 
-  'src/third_party/dart/third_party/pkg_tested/package_resolver':
-   Var('dart_git') + '/package_resolver.git' + '@' + Var('dart_package_resolver_tag'),
-
   'src/third_party/dart/tools/sdks':
-   {'packages': [{'version': 'version:2.8.0-dev.0.0', 'package': 'dart/dart-sdk/${{platform}}'}], 'dep_type': 'cipd'},
+   {'packages': [{'version': 'version:2.8.0-dev.18.0', 'package': 'dart/dart-sdk/${{platform}}'}], 'dep_type': 'cipd'},
 
   # WARNING: end of dart dependencies list that is cleaned up automatically - see create_updated_flutter_deps.py.
 
@@ -432,7 +434,7 @@ deps = {
      'packages': [
        {
         'package': 'flutter/android/ndk/${{platform}}',
-        'version': 'version:r19b'
+        'version': 'version:r21.0.6113669'
        }
      ],
      'condition': 'download_android_deps',
@@ -521,8 +523,8 @@ deps = {
   'src/buildtools/{host_os}-x64/clang': {
     'packages': [
       {
-        'package': 'fuchsia/clang/${{platform}}',
-        'version': 'git_revision:de39621f0f03f20633bdfa50bde97a3908bf6e98'
+        'package': 'fuchsia/third_party/clang/${{platform}}',
+        'version': 'git_revision:7e9747b50bcb1be28d4a3236571e8050835497a6'
       }
     ],
     'condition': 'host_os == "mac" or host_os == "linux"',
@@ -536,7 +538,7 @@ deps = {
      'packages': [
        {
         'package': 'fuchsia/sdk/core/mac-amd64',
-        'version': 'eGWV8Up-Giv-15K1FBRnkFQompVx2GpVBNomG09my_wC'
+        'version': '8JtFK64mmIC2zTEj9ICMrcQBITqKDZVQluLVKczro9kC'
        }
      ],
      'condition': 'host_os == "mac"',
@@ -556,7 +558,7 @@ deps = {
      'packages': [
        {
         'package': 'fuchsia/sdk/core/linux-amd64',
-        'version': '6ds94xRmD_5jjJ9jn1pngltBcWUyduH4JF-PxklsD50C'
+        'version': 'LnaL23_DpQsbnbs-byJi-UoGe1XerKCfLjb4_XkxMRoC'
        }
      ],
      'condition': 'host_os == "linux"',
@@ -626,4 +628,13 @@ hooks = [
       'src/third_party/dart/third_party/7zip.tar.gz.sha1',
     ],
   },
+  {
+    'name': 'linux_sysroot',
+    'pattern': '.',
+    'condition': 'download_linux_deps',
+    'action': [
+      'python',
+      'src/build/linux/sysroot_scripts/install-sysroot.py',
+      '--arch=x64'],
+  },
 ]

README.md

@@ -1,5 +1,6 @@
 Flutter Engine
 ==============
+
 [![Build Status - Cirrus][]][Build status]
 
 Flutter is Google's mobile app SDK for crafting high-quality native interfaces

analysis_options.yaml

@@ -10,9 +10,13 @@
 #    private fields, especially on the Window object):
 
 analyzer:
-  # this test pretends to be part of dart:ui and results in lots of false
-  # positives.
-  exclude: [ testing/dart/window_hooks_integration_test.dart ]
+  exclude: [
+    # this test pretends to be part of dart:ui and results in lots of false
+    # positives.
+    testing/dart/window_hooks_integration_test.dart,
+    # Fixture depends on dart:ui and raises false positives.
+    flutter_frontend_server/test/fixtures/lib/main.dart
+  ]
   strong-mode:
     implicit-casts: false
     implicit-dynamic: false

ci/check_gn_format.py

@@ -41,8 +41,8 @@ def main():
   for gn_file in GetGNFiles(args.root_directory):
     if subprocess.call(gn_command + [ gn_file ]) != 0:
       print "ERROR: '%s' is incorrectly formatted." % os.path.relpath(gn_file, args.root_directory)
-      print "Format the same with 'gn format' using the 'gn' binary in //buildtools."
-      print "Or, run ./ci/check_gn_format.py with '--dry-run false'"
+      print "Format the same with 'gn format' using the 'gn' binary in third_party/gn/gn."
+      print "Or, run ./ci/check_gn_format.py without '--dry-run'"
       return 1
 
   return 0

ci/format.sh

@@ -42,7 +42,7 @@ fi;
 
 BASE_SHA="$(git fetch $UPSTREAM master > /dev/null 2>&1 && \
            (git merge-base --fork-point FETCH_HEAD HEAD || git merge-base FETCH_HEAD HEAD))"
-CLANG_FILES_TO_CHECK="$(git diff $DIFF_OPTS $BASE_SHA -- $CLANG_FILETYPES)"
+CLANG_FILES_TO_CHECK="$(git ls-files $CLANG_FILETYPES)"
 FAILED_CHECKS=0
 for f in $CLANG_FILES_TO_CHECK; do
   set +e