Make sure all our .dart files have license headers (#44467)

dev/benchmarks/macrobenchmarks/lib/src/cull_opacity.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 
 class CullOpacityPage extends StatefulWidget {

dev/devicelab/bin/tasks/build_aar_module_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/build_aar_plugin_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/build_mode_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/commands_test.dart

-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/complex_layout_semantics_perf.dart

-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/flutter_attach_test.dart

-// Copyright (c) 2018 The Chromium Authors. All rights reserved.
+// Copyright 2018 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/flutter_create_offline_test_linux.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter_devicelab/framework/framework.dart';
 import 'package:flutter_devicelab/tasks/integration_tests.dart';
 

dev/devicelab/bin/tasks/flutter_create_offline_test_mac.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter_devicelab/framework/framework.dart';
 import 'package:flutter_devicelab/tasks/integration_tests.dart';
 

dev/devicelab/bin/tasks/flutter_create_offline_test_windows.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter_devicelab/framework/framework.dart';
 import 'package:flutter_devicelab/tasks/integration_tests.dart';
 

dev/devicelab/bin/tasks/flutter_test_performance.dart

-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/gradle_jetifier_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/gradle_migrate_settings_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/gradle_non_android_plugin_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/gradle_plugin_bundle_test.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/gradle_plugin_dependencies_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/gradle_plugin_fat_apk_test.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/gradle_plugin_light_apk_test.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/gradle_plugins_without_annotations_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/gradle_r8_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/hot_mode_dev_cycle__benchmark.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/hot_mode_dev_cycle_linux__benchmark.dart

-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/hot_mode_dev_cycle_win__benchmark.dart

-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/module_host_with_custom_build_test.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/module_test.dart

-// Copyright (c) 2018 The Chromium Authors. All rights reserved.
+// Copyright 2018 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/module_test_ios.dart

-// Copyright (c) 2018 The Chromium Authors. All rights reserved.
+// Copyright 2018 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/named_isolates_test.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';

dev/devicelab/bin/tasks/plugin_test.dart

-// Copyright (c) 2018 The Chromium Authors. All rights reserved.
+// Copyright 2018 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/plugin_test_ios.dart

-// Copyright (c) 2018 The Chromium Authors. All rights reserved.
+// Copyright 2018 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/plugin_test_win.dart

-// Copyright (c) 2018 The Chromium Authors. All rights reserved.
+// Copyright 2018 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/routing_test.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/run_machine_concurrent_hot_reload.dart

-// Copyright (c) 2018 The Chromium Authors. All rights reserved.
+// Copyright 2018 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/run_release_test.dart

-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/run_without_leak_linux.dart

-// Copyright (c) 2019 The Flutter Authors. All rights reserved.
+// Copyright 2019 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.
 

dev/devicelab/bin/tasks/run_without_leak_mac.dart

-// Copyright (c) 2019 The Flutter Authors. All rights reserved.
+// Copyright 2019 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.
 

dev/devicelab/bin/tasks/run_without_leak_win.dart

-// Copyright (c) 2019 The Flutter Authors. All rights reserved.
+// Copyright 2019 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.
 

dev/devicelab/bin/tasks/service_extensions_test.dart

-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/smoke_catalina_hot_mode_dev_cycle__benchmark.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/bin/tasks/smoke_catalina_hot_mode_dev_cycle_ios__benchmark.dart

-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/lib/framework/apk_utils.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/lib/framework/ios.dart

-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/lib/framework/utils.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/lib/tasks/analysis.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/lib/tasks/integration_tests.dart

-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/lib/tasks/perf_tests.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/lib/tasks/plugin_tests.dart

-// Copyright (c) 2018 The Chromium Authors. All rights reserved.
+// Copyright 2018 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/devicelab/test/utils_test.dart

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

dev/docs/platform_integration/lib/android.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 /// [Flutter platform integration APIs for Android.](https://docs.flutter.io/javadoc/)
 library Android;

dev/docs/platform_integration/lib/ios.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 /// [Flutter platform integration APIs for iOS.](https://docs.flutter.io/objcdoc/)
 library iOS;

dev/integration_tests/abstract_method_smoke_test/lib/main.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 
@@ -59,4 +63,4 @@ class SecondPage extends StatelessWidget {
       ),
     );
   }
-}
\ No newline at end of file
+}

dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/test/widget_test.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 // This is a basic Flutter widget test.
 //
 // To perform an interaction with a widget in your test, use the WidgetTester

dev/integration_tests/android_splash_screens/splash_screen_load_rotate/lib/main.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 
 void main() => runApp(MyApp());

dev/integration_tests/android_splash_screens/splash_screen_load_rotate/test/widget_test.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 // This is a basic Flutter widget test.
 //
 // To perform an interaction with a widget in your test, use the WidgetTester

dev/integration_tests/android_splash_screens/splash_screen_trans_rotate/lib/main.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 
 void main() => runApp(MyApp());

dev/integration_tests/android_splash_screens/splash_screen_trans_rotate/test/widget_test.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 // This is a basic Flutter widget test.
 //
 // To perform an interaction with a widget in your test, use the WidgetTester

dev/integration_tests/android_splash_screens/splash_screen_trans_rotate/test_driver/main.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter_driver/driver_extension.dart';
 import 'package:splash_screen_trans_rotate/main.dart' as app;
 
 void main() {
   enableFlutterDriverExtension();
   app.main();
-}
\ No newline at end of file
+}

dev/integration_tests/android_views/lib/main.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'package:flutter_driver/driver_extension.dart';
 import 'motion_events_page.dart';

dev/integration_tests/codegen/test/example_test.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:codegen/main.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';

dev/integration_tests/flavors/lib/main.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_driver/driver_extension.dart';

dev/integration_tests/ios_add2app/flutterapp/README.md

-# ios_add2app_flutter
-
-A new flutter module project.
-
-## Getting Started
-
-For help getting started with Flutter, view our online
-[documentation](https://flutter.dev/).

dev/integration_tests/ios_add2app/flutterapp/lib/main.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:async';
 import 'dart:ui' as ui;
 

dev/integration_tests/ios_add2app/flutterapp/lib/marquee.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'package:flutter/animation.dart';
 import 'package:flutter/services.dart';

dev/integration_tests/ios_add2app/flutterapp/test/widget_test.dart

-void main() {
-
-}

dev/integration_tests/named_isolates/lib/main.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:ui' as ui;
 import 'package:flutter/material.dart';
 

dev/integration_tests/simple_codegen/lib/builders.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:build/build.dart';
 
 /// The builder factory used by the `build.yaml` script.

dev/manual_tests/test/mock_image_http.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:async';
 import 'dart:io';
 

dev/tools/localization/gen_cupertino_localizations.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'localizations_utils.dart';
 
 HeaderGenerator generateCupertinoHeader = (String regenerateInstructions) {

dev/tools/localization/gen_material_localizations.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'localizations_utils.dart';
 
 HeaderGenerator generateMaterialHeader = (String regenerateInstructions) {

examples/flutter_gallery/lib/demo/images_demo.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 
 import '../gallery/demo.dart';

examples/flutter_gallery/lib/demo/material/elevation_demo.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 
 import '../../gallery/demo.dart';

examples/flutter_gallery/lib/demo/transformations/transformations_demo.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:ui' show Vertices;
 import 'package:flutter/material.dart';
 import 'transformations_demo_board.dart';

examples/flutter_gallery/lib/demo/transformations/transformations_demo_board.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:collection' show IterableMixin;
 import 'dart:math';
 import 'dart:ui' show Vertices;

examples/flutter_gallery/lib/demo/transformations/transformations_demo_color_picker.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 
 // A generic widget for a list of selectable colors.

examples/flutter_gallery/lib/demo/transformations/transformations_demo_edit_board_point.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'transformations_demo_board.dart';
 import 'transformations_demo_color_picker.dart';

examples/flutter_gallery/lib/demo/transformations/transformations_demo_gesture_transformable.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'package:vector_math/vector_math_64.dart' show Vector3;
 import 'transformations_demo_inertial_motion.dart';

examples/flutter_gallery/lib/demo/transformations/transformations_demo_inertial_motion.dart

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:vector_math/vector_math.dart' show Vector2;