Removing overloaded operations in dart2js.

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 b3355ed9ece158864e5b77f05410c71a3db73009..d69253a1bd96c2b3b5a762f34b5a82f7ba741696 100644
--- a/sdk/lib/web_audio/dart2js/web_audio_dart2js.dart
+++ b/sdk/lib/web_audio/dart2js/web_audio_dart2js.dart
@@ -357,25 +357,6 @@ class AudioContext extends EventTarget native "AudioContext" {
   @DocsEditable()
   void startRendering() native;
 
-  // From EventTarget
-
-  @JSName('addEventListener')
-  @DomName('AudioContext.addEventListener')
-  @DocsEditable()
-  @Experimental() // untriaged
-  void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
-
-  @DomName('AudioContext.dispatchEvent')
-  @DocsEditable()
-  @Experimental() // untriaged
-  bool dispatchEvent(Event event) native;
-
-  @JSName('removeEventListener')
-  @DomName('AudioContext.removeEventListener')
-  @DocsEditable()
-  @Experimental() // untriaged
-  void $dom_removeEventListener(String type, EventListener listener, [bool useCapture]) native;
-
   @DomName('AudioContext.oncomplete')
   @DocsEditable()
   Stream<Event> get onComplete => completeEvent.forTarget(this);
@@ -500,22 +481,6 @@ class AudioNode extends EventTarget native "AudioNode" {
   @DocsEditable()
   void disconnect(int output) native;
 
-  // From EventTarget
-
-  @JSName('addEventListener')
-  @DomName('AudioNode.addEventListener')
-  @DocsEditable()
-  void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
-
-  @DomName('AudioNode.dispatchEvent')
-  @DocsEditable()
-  bool dispatchEvent(Event event) native;
-
-  @JSName('removeEventListener')
-  @DomName('AudioNode.removeEventListener')
-  @DocsEditable()
-  void $dom_removeEventListener(String type, EventListener listener, [bool useCapture]) native;
-
   @DomName('AudioNode.connect')
   void connectNode(AudioNode destination, [int output = 0, int input = 0]) =>
       $dom_connect(destination, output, input);