Revert "Roll IDL to multivm@910"

third_party/WebCore/Modules/webaudio/AudioBufferSourceNode.idl

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 26 matching lines @@
         const unsigned short FINISHED_STATE = 3;
 
         readonly attribute unsigned short playbackState;
 
         readonly attribute AudioGain gain;
         readonly attribute AudioParam playbackRate;
 
         attribute boolean loop; // This is the proper attribute name from the specification.
         attribute boolean looping; // This is an alias for the .loop attribute for backwards compatibility.
 
-        [V8MeasureAs=WebAudioStart] void start(in double when);
-        // FIXME: unfork
-        [V8MeasureAs=WebAudioStart, ImplementedAs=startGrain] void start(in double when, in double grainOffset, in double grainDuration);
-        void stop(in double when);
-
-#if defined(ENABLE_LEGACY_WEB_AUDIO) && ENABLE_LEGACY_WEB_AUDIO
-        [V8MeasureAs=LegacyWebAudioNoteOn] void noteOn(in double when);
-        [V8MeasureAs=LegacyWebAudioNoteOn] void noteGrainOn(in double when, in double grainOffset, in double grainDuration);
+        void noteOn(in double when);
+        void noteGrainOn(in double when, in double grainOffset, in double grainDuration);
         void noteOff(in double when);
-#endif
     };
 }