Support overloaded constructors.

sdk/lib/web_audio/dart2js/web_audio_dart2js.dart

 library web_audio;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:collection-dev';
 import 'dart:html';
 import 'dart:html_common';
 import 'dart:_foreign_helper' show JS;
 // DO NOT EDIT
 // Auto-generated dart:audio library.
@@ skipping 164 matching lines @@
 
 
 @DomName('AudioContext')
 class AudioContext extends EventTarget native "*AudioContext" {
 
   @DomName('AudioContext.complete')
   @DocsEditable
   static const EventStreamProvider<Event> completeEvent = const EventStreamProvider<Event>('complete');
 
   @DocsEditable
-  factory AudioContext() => AudioContext._create();
-
-  @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
   @deprecated
   AudioContextEvents get on =>
     new AudioContextEvents(this);
 
   @DomName('AudioContext.activeSourceCount')
   @DocsEditable
   final int activeSourceCount;
 
   @DomName('AudioContext.currentTime')
@@ skipping 81 matching lines @@
   void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, [AudioBufferCallback errorCallback]) native;
 
   @DomName('AudioContext.startRendering')
   @DocsEditable
   void startRendering() native;
 
   @DomName('AudioContext.complete')
   @DocsEditable
   Stream<Event> get onComplete => completeEvent.forTarget(this);
 
-  static AudioContext _create() => JS('AudioContext',
+  factory AudioContext() => JS('AudioContext',
       'new (window.AudioContext || window.webkitAudioContext)()');
 
   GainNode createGain() {
     if (JS('bool', '#.createGain !== undefined', this)) {
       return JS('GainNode', '#.createGain()', this);
     } else {
       return JS('GainNode', '#.createGainNode()', this);
     }
   }
 
@@ skipping 384 matching lines @@
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('OfflineAudioContext')
 class OfflineAudioContext extends AudioContext implements EventTarget native "*OfflineAudioContext" {
 
   @DocsEditable
-  factory OfflineAudioContext(int numberOfChannels, int numberOfFrames, num sampleRate) => OfflineAudioContext._create(numberOfChannels, numberOfFrames, sampleRate);
-  static OfflineAudioContext _create(int numberOfChannels, int numberOfFrames, num sampleRate) => JS('OfflineAudioContext', 'new OfflineAudioContext(#,#,#)', numberOfChannels, numberOfFrames, sampleRate);
+  factory OfflineAudioContext(int numberOfChannels, int numberOfFrames, num sampleRate) {
+    return OfflineAudioContext._create_1(numberOfChannels, numberOfFrames, sampleRate);
+  }
+  static OfflineAudioContext _create_1(numberOfChannels, numberOfFrames, sampleRate) => JS('OfflineAudioContext', 'new OfflineAudioContext(#,#,#)', numberOfChannels, numberOfFrames, sampleRate);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('OscillatorNode')
 class OscillatorNode extends AudioSourceNode native "*OscillatorNode" {
 
@@ skipping 136 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('WaveTable')
 class WaveTable native "*WaveTable" {
 }