Roll IDL to multivm@683

third_party/WebCore/Modules/webaudio/AudioContext.idl

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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
@@ skipping 31 matching lines @@
         readonly attribute float sampleRate;
 
         // All panning is relative to this listener.
         readonly attribute AudioListener listener;
 
         // Number of AudioBufferSourceNodes that are currently playing.
         readonly attribute unsigned long activeSourceCount;
         
         AudioBuffer createBuffer(in unsigned long numberOfChannels, in unsigned long numberOfFrames, in float sampleRate)
             raises(DOMException);
-        AudioBuffer createBuffer(in ArrayBuffer buffer, in boolean mixToMono)
+        AudioBuffer createBuffer(in ArrayBuffer? buffer, in boolean mixToMono)
             raises(DOMException);
 
         // Asynchronous audio file data decoding.
         void decodeAudioData(in ArrayBuffer audioData, in [Callback] AudioBufferCallback successCallback, in [Optional, Callback] AudioBufferCallback errorCallback)
             raises(DOMException);
 
         // Sources
         AudioBufferSourceNode createBufferSource();
 #if defined(ENABLE_VIDEO) && ENABLE_VIDEO
         MediaElementAudioSourceNode createMediaElementSource(in HTMLMediaElement mediaElement)
@@ skipping 19 matching lines @@
             raises(DOMException);
         AudioChannelMerger createChannelMerger(in [Optional] unsigned long numberOfInputs)
             raises(DOMException);
 
         // Offline rendering
         // void prepareOfflineBufferRendering(in unsigned long numberOfChannels, in unsigned long numberOfFrames, in float sampleRate);
         attribute EventListener oncomplete;
         void startRendering();
     };
 }