Remove url_lancher and path_provider from services (#9916)

packages/flutter/lib/services.dart

@@ -22,7 +22,6 @@ export 'src/services/image_resolution.dart';
 export 'src/services/image_stream.dart';
 export 'src/services/message_codec.dart';
 export 'src/services/message_codecs.dart';
-export 'src/services/path_provider.dart';
 export 'src/services/platform_channel.dart';
 export 'src/services/platform_messages.dart';
 export 'src/services/raw_keyboard.dart';
@@ -33,4 +32,3 @@ export 'src/services/system_sound.dart';
 export 'src/services/text_editing.dart';
 export 'src/services/text_formatter.dart';
 export 'src/services/text_input.dart';
-export 'src/services/url_launcher.dart';

packages/flutter/lib/src/services/path_provider.dart

-// 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.
-
-import 'dart:async';
-import 'dart:io';
-
-import 'system_channels.dart';
-
-/// Returns commonly used locations on the filesystem.
-class PathProvider {
-  PathProvider._();
-
-  /// Path to the temporary directory on the device.
-  ///
-  /// Files in this directory may be cleared at any time. This does *not* return
-  /// a new temporary directory. Instead, the caller is responsible for creating
-  /// (and cleaning up) files or directories within this directory. This
-  /// directory is scoped to the calling application.
-  ///
-  /// On iOS, this uses the `NSTemporaryDirectory` API.
-  ///
-  /// On Android, this uses the `getCacheDir` API on the context.
-  static Future<Directory> getTemporaryDirectory() async {
-    final String path = await SystemChannels.platform.invokeMethod('PathProvider.getTemporaryDirectory');
-    if (path == null)
-      return null;
-    return new Directory(path);
-  }
-
-  /// Path to a directory where the application may place files that are private
-  /// to the application and will only be cleared when the application itself
-  /// is deleted.
-  ///
-  /// On iOS, this uses the `NSDocumentsDirectory` API.
-  ///
-  /// On Android, this returns the AppData directory.
-  static Future<Directory> getApplicationDocumentsDirectory() async {
-    final String path = await SystemChannels.platform.invokeMethod('PathProvider.getApplicationDocumentsDirectory');
-    if (path == null)
-      return null;
-    return new Directory(path);
-  }
-}

packages/flutter/lib/src/services/url_launcher.dart

-// 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.
-
-import 'dart:async';
-
-import 'system_channels.dart';
-
-/// Allows applications to delegate responsbility of handling certain URLs to
-/// the underlying platform.
-class UrlLauncher {
-  UrlLauncher._();
-
-  /// Parse the specified URL string and delegate handling of the same to the
-  /// underlying platform.
-  static Future<Null> launch(String urlString) async {
-    await SystemChannels.platform.invokeMethod(
-      'UrlLauncher.launch',
-      urlString,
-    );
-  }
-}

packages/flutter/lib/src/widgets/framework.dart

@@ -886,7 +886,8 @@ abstract class State<T extends StatefulWidget> {
   ///   setState(() {
   ///     _counter++;
   ///   });
-  ///   final String dir = await PathProvider.getApplicationDocumentsDirectory();
+  ///   Directory directory = await getApplicationDocumentsDirectory();
+  ///   final String dirName = directory.path;
   ///   await new File('$dir/counter.txt').writeAsString('$_counter');
   ///   return null;
   /// }

packages/flutter/test/services/path_provider_test.dart

-// 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.
-
-import 'dart:io';
-
-import 'package:flutter/services.dart';
-import 'package:test/test.dart';
-
-void main() {
-  test('Path provider control test', () async {
-    final List<MethodCall> log = <MethodCall>[];
-    String response;
-
-    SystemChannels.platform.setMockMethodCallHandler((MethodCall methodCall) async {
-      log.add(methodCall);
-      return response;
-    });
-
-    Directory directory = await PathProvider.getTemporaryDirectory();
-
-    expect(log, equals(<MethodCall>[new MethodCall('PathProvider.getTemporaryDirectory')]));
-    expect(directory, isNull);
-    log.clear();
-
-    directory = await PathProvider.getApplicationDocumentsDirectory();
-
-    expect(log, equals(<MethodCall>[new MethodCall('PathProvider.getApplicationDocumentsDirectory')]));
-    expect(directory, isNull);
-
-    final String fakePath = "/foo/bar/baz";
-    response = fakePath;
-
-    directory = await PathProvider.getTemporaryDirectory();
-    expect(directory.path, equals(fakePath));
-
-    directory = await PathProvider.getApplicationDocumentsDirectory();
-    expect(directory.path, equals(fakePath));
-  });
-}

packages/flutter/test/services/url_launcher_test.dart

-// 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.
-
-import 'package:flutter/services.dart';
-import 'package:test/test.dart';
-
-void main() {
-  test('URL launcher control test', () async {
-    final List<MethodCall> log = <MethodCall>[];
-  
-    SystemChannels.platform.setMockMethodCallHandler((MethodCall methodCall) async {
-      log.add(methodCall);
-    });
-
-    await UrlLauncher.launch('http://example.com/');
-
-    expect(log, equals(<MethodCall>[new MethodCall('UrlLauncher.launch', 'http://example.com/')]));
-  });
-}