Made AudioNode an EventTarget

Source/modules/webaudio/AudioNode.idl

Index: Source/modules/webaudio/AudioNode.idl
diff --git a/Source/modules/webaudio/AudioNode.idl b/Source/modules/webaudio/AudioNode.idl
index cdc1b755440190a16aed51e75293d324e2fed470..67177b5a6954b4c2e30dd8ef61ac7d4fd01b0bdf 100644
--- a/Source/modules/webaudio/AudioNode.idl
+++ b/Source/modules/webaudio/AudioNode.idl
@@ -23,7 +23,9 @@
  */
 
 [
-    Conditional=WEB_AUDIO
+    Conditional=WEB_AUDIO,
+    ActiveDOMObject,
+    EventTarget
 ] interface AudioNode {

[haraken, 2013/04/15 00:01:25]

Can you remove the [EventTarget] IDL attribute by introducing 'interface
AudioNode : EventTarget { ... }' ?

[EventTarget] is deprecated. We want to express inheritance by using inheritance
of IDL interfaces.

     readonly attribute AudioContext context;
     readonly attribute unsigned long numberOfInputs;
@@ -40,4 +42,14 @@
     [RaisesException] void connect(AudioParam? destination, [Optional=DefaultIsUndefined] unsigned long output);
 
     [RaisesException] void disconnect([Optional=DefaultIsUndefined] unsigned long output);
+
+    
+    // EventTarget interface
+    void addEventListener(DOMString type, 
+                          EventListener listener, 
+                          [Optional] boolean useCapture);
+    void removeEventListener(DOMString type, 
+                             EventListener listener, 
+                             [Optional] boolean useCapture);
+    [RaisesException] boolean dispatchEvent(Event event);
 };