Nuke custom factory providers.

sdk/lib/web_audio/dart2js/web_audio_dart2js.dart

Index: sdk/lib/web_audio/dart2js/web_audio_dart2js.dart
diff --git a/sdk/lib/web_audio/dart2js/web_audio_dart2js.dart b/sdk/lib/web_audio/dart2js/web_audio_dart2js.dart
index b45a5fac2a83f982079d1d868d27bb39d28b199f..cc6faf77a7c4e53ab57c4315a01d87b8ad7086e8 100644
--- a/sdk/lib/web_audio/dart2js/web_audio_dart2js.dart
+++ b/sdk/lib/web_audio/dart2js/web_audio_dart2js.dart
@@ -151,8 +151,6 @@ class AudioContext extends EventTarget native "*AudioContext" {
 
   ///@docsEditable true
   factory AudioContext() => AudioContext._create();
-  static AudioContext _create() => JS('AudioContext',
-      'new (window.AudioContext || window.webkitAudioContext)()');
 
   /// @domName EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent; @docsEditable true
   AudioContextEvents get on =>
@@ -227,6 +225,9 @@ class AudioContext extends EventTarget native "*AudioContext" {
   /// @domName AudioContext.startRendering; @docsEditable true
   void startRendering() native;
 
+  static AudioContext _create() => JS('AudioContext',
+      'new (window.AudioContext || window.webkitAudioContext)()');
+
   GainNode createGain() {
     if (JS('bool', '#.createGain !== undefined', this)) {
       return JS('GainNode', '#.createGain()', this);