Merge branch 'fix/_floatingActionButtonVisibilityValue-update' of https://github.com/hello-coder-xu/flutter into fix/_floatingActionButtonVisibilityValue-update

* 'fix/_floatingActionButtonVisibilityValue-update' of https://github.com/hello-coder-xu/flutter:
  fix: update _floatingActionButtonVisibility only if floatingActionButton is not null
  [wiki migration] Remaining pages under docs/about/ (flutter#148782)
  Roll Flutter Engine from b6971cdf14f8 to 8b094fbb94d8 (3 revisions) (flutter#148883)
  Fix the second TextFormField to trigger onTapOutside (flutter#148206)
  Try removing robolectric from `integration_test` tests (flutter#148803)
  Prevent test folder deletion on running `flutter create --empty` on an existing app project (flutter#147160)
  [wiki migration] Tool team pages (flutter#148779)
  Roll Flutter Engine from c89defa55801 to b6971cdf14f8 (6 revisions) (flutter#148819)
  [native_assets] Add support for link hooks (flutter#148474)
  Roll Packages from ba19b24 to 6525441 (12 revisions) (flutter#148864)
  Update tokens to 4.0.0 (flutter#148789)
  Move Linux web_long_running_tests_2_5 to bringup (flutter#148854)
  `CupertinoDialogRoute` leak fix (flutter#148774)
  Marks Windows plugin_test to be flaky (flutter#148835)

Author: hello-coder-xu

.ci.yaml

@@ -1294,6 +1294,7 @@ targets:
 
   - name: Linux web_long_running_tests_2_5
     recipe: flutter/flutter_drone
+    bringup: true
     timeout: 60
     properties:
       dependencies: >-
@@ -5455,6 +5456,7 @@ targets:
       - .ci.yaml
 
   - name: Windows plugin_test
+    bringup: true # Flaky https://github.com/flutter/flutter/issues/148834
     recipe: devicelab/devicelab_drone
     timeout: 60
     properties:

.github/labeler.yml

@@ -118,6 +118,7 @@ framework:
       - packages/flutter_test/**/*
       - packages/integration_test/**/*
       - examples/api/**/*
+      - docs/about/**/*
       - docs/contributing/**/*
       - docs/libraries/**/*
 
@@ -161,6 +162,7 @@ platform-web:
 team:
   - changed-files:
     - any-glob-to-any-file:
+      - docs/about/**/*
       - docs/postmortems/**/*
 
 team-android:
@@ -188,8 +190,14 @@ team-release:
     - any-glob-to-any-file:
       - docs/releases/**/*
 
+team-tool:
+  - changed-files:
+    - any-glob-to-any-file:
+      - docs/tool/**/*
+
 tool:
   - changed-files:
     - any-glob-to-any-file:
       - packages/flutter_tools/**/*
       - packages/fuchsia_remote_debug_protocol/**/*
+      - docs/tool/**/*

bin/internal/engine.version

@@ -1 +1 @@
-c89defa558013d7790ab0fec0819c30fccae3aba
+8b094fbb94d83fa1dfdde4598c5ff76f6147f5cc

bin/internal/flutter_packages.version

@@ -1 +1 @@
-ba19b247d0bad15feed2ae31248b52ec0cf19785
+65254411e6773cdc97c5b091c07856b52f9965c9

bin/internal/fuchsia-linux.version

@@ -1 +1 @@
-HHwlAJN5imwf3yX4i6DhvMFhgYzp7YIXIsEYuvsx9JEC
+gWBn6yPljFeQvPSYzbUxDIPoVDr4670EVgEfGrmfdl0C

dev/bots/analyze.dart

@@ -1308,6 +1308,7 @@ Future<void> verifyRepositoryLinks(String workingDirectory) async {
     'chromium/chromium',
     'clojure/clojure',
     'dart-lang/test', // TODO(guidezpl): remove when https://github.com/dart-lang/test/issues/2209 is closed
+    'dart-lang/webdev',
     'eseidelGoogle/bezier_perf',
     'flutter/devtools', // TODO(guidezpl): remove when https://github.com/flutter/devtools/issues/7551 is closed
     'flutter/flutter_gallery_assets', // TODO(guidezpl): remove when subtask in https://github.com/flutter/flutter/issues/121564 is complete

dev/integration_tests/link_hook/.gitignore

@@ -0,0 +1,30 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+.packages
+build/

dev/integration_tests/link_hook/README.md

@@ -0,0 +1,3 @@
+# link_hook
+
+Test project for the native assets test to exercise adding assets during a link hook.

dev/integration_tests/link_hook/ffigen.yaml

@@ -0,0 +1,20 @@
+# Run with `dart run ffigen --config ffigen.yaml`.
+name: LinkHookBindings
+description: |
+  Bindings for `src/link_hook.h`.
+
+  Regenerate bindings with `dart run ffigen --config ffigen.yaml`.
+output: 'lib/link_hook_bindings_generated.dart'
+headers:
+  entry-points:
+    - 'src/link_hook.h'
+  include-directives:
+    - 'src/link_hook.h'
+ffi-native:
+preamble: |
+  // ignore_for_file: always_specify_types
+  // ignore_for_file: camel_case_types
+  // ignore_for_file: non_constant_identifier_names
+comments:
+  style: any
+  length: full

dev/integration_tests/link_hook/hook/build.dart

@@ -0,0 +1,36 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:logging/logging.dart';
+import 'package:native_assets_cli/native_assets_cli.dart';
+import 'package:native_toolchain_c/native_toolchain_c.dart';
+
+
+void main(List<String> args) async {
+  await build(args, (BuildConfig config, BuildOutput output) async {
+    final String packageName = config.packageName;
+    final CBuilder cbuilder = CBuilder.library(
+      name: packageName,
+      assetName: 'some_asset_name_that_is_not_used',
+      sources: <String>[
+        'src/$packageName.c',
+      ],
+      dartBuildFiles: <String>['hook/build.dart'],
+    );
+    final BuildOutput outputCatcher = BuildOutput();
+    await cbuilder.run(
+      buildConfig: config,
+      buildOutput: outputCatcher,
+      logger: Logger('')
+        ..level = Level.ALL
+        ..onRecord.listen((LogRecord record) => print(record.message)),
+    );
+    output.addDependencies(outputCatcher.dependencies);
+    // Send the asset to hook/link.dart.
+    output.addAsset(
+      outputCatcher.assets.single,
+      linkInPackage: 'link_hook',
+    );
+  });
+}