Roll WebCore IDL to multivm@418

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 53 matching lines @@
 #endif
         // Processing nodes
         AudioGainNode createGainNode();
         DelayNode createDelayNode(in [Optional] double maxDelayTime);
         BiquadFilterNode createBiquadFilter();
         WaveShaperNode createWaveShaper();
         AudioPannerNode createPanner();
         ConvolverNode createConvolver();
         DynamicsCompressorNode createDynamicsCompressor();
         RealtimeAnalyserNode createAnalyser();
-        JavaScriptAudioNode createJavaScriptNode(in unsigned long bufferSize);
+        JavaScriptAudioNode createJavaScriptNode(in unsigned long bufferSize, in [Optional] unsigned long numberOfInputChannels, in [Optional] unsigned long numberOfOutputChannels)
+            raises(DOMException);
         Oscillator createOscillator();
         WaveTable createWaveTable(in Float32Array real, in Float32Array imag)
             raises(DOMException);
 
         // Channel splitting and merging
-        AudioChannelSplitter createChannelSplitter();
-        AudioChannelMerger createChannelMerger();
+        AudioChannelSplitter createChannelSplitter(in [Optional] unsigned long numberOfOutputs)
+            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();
     };
 }