Making almost all dom_ methods private. Exceptions will be addressed in a later CL.

sdk/lib/web_audio/dartium/web_audio_dartium.dart

Index: sdk/lib/web_audio/dartium/web_audio_dartium.dart
diff --git a/sdk/lib/web_audio/dartium/web_audio_dartium.dart b/sdk/lib/web_audio/dartium/web_audio_dartium.dart
index 64d95f95889ae51eb0c9d46ff42e0a59468cfdec..3154754ddcefe555ce10e21f2deb849a723d4b5a 100644
--- a/sdk/lib/web_audio/dartium/web_audio_dartium.dart
+++ b/sdk/lib/web_audio/dartium/web_audio_dartium.dart
@@ -460,7 +460,7 @@ class AudioContext extends EventTarget {
   @DomName('AudioContext.addEventListener')
   @DocsEditable()
   @Experimental() // untriaged
-  void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native "AudioContext_addEventListener_Callback";
+  void _addEventListener(String type, EventListener listener, [bool useCapture]) native "AudioContext_addEventListener_Callback";
 
   @DomName('AudioContext.dispatchEvent')
   @DocsEditable()
@@ -470,7 +470,7 @@ class AudioContext extends EventTarget {
   @DomName('AudioContext.removeEventListener')
   @DocsEditable()
   @Experimental() // untriaged
-  void $dom_removeEventListener(String type, EventListener listener, [bool useCapture]) native "AudioContext_removeEventListener_Callback";
+  void _removeEventListener(String type, EventListener listener, [bool useCapture]) native "AudioContext_removeEventListener_Callback";
 
   @DomName('AudioContext.oncomplete')
   @DocsEditable()
@@ -587,7 +587,7 @@ class AudioNode extends EventTarget {
   @DocsEditable()
   int get numberOfOutputs native "AudioNode_numberOfOutputs_Getter";
 
-  void $dom_connect(destination, int output, [int input]) {
+  void _connect(destination, int output, [int input]) {
     if ((input is int || input == null) && (output is int || output == null) && (destination is AudioNode || destination == null)) {
       _connect_1(destination, output, input);
       return;
@@ -609,7 +609,7 @@ class AudioNode extends EventTarget {
 
   @DomName('AudioNode.addEventListener')
   @DocsEditable()
-  void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native "AudioNode_addEventListener_Callback";
+  void _addEventListener(String type, EventListener listener, [bool useCapture]) native "AudioNode_addEventListener_Callback";
 
   @DomName('AudioNode.dispatchEvent')
   @DocsEditable()
@@ -617,15 +617,15 @@ class AudioNode extends EventTarget {
 
   @DomName('AudioNode.removeEventListener')
   @DocsEditable()
-  void $dom_removeEventListener(String type, EventListener listener, [bool useCapture]) native "AudioNode_removeEventListener_Callback";
+  void _removeEventListener(String type, EventListener listener, [bool useCapture]) native "AudioNode_removeEventListener_Callback";
 
   @DomName('AudioNode.connect')
   void connectNode(AudioNode destination, [int output = 0, int input = 0]) =>
-      $dom_connect(destination, output, input);
+      _connect(destination, output, input);
 
   @DomName('AudioNode.connect')
   void connectParam(AudioParam destination, [int output = 0]) =>
-      $dom_connect(destination, output);
+      _connect(destination, output);
 }
 // 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