Remove AudioContext createChannelMerger() method until thread safety issues can be properly addre...

AudioContext.cpp

 /*
  * 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 384 matching lines @@
     return DelayNode::create(this, m_destinationNode->sampleRate());
 }
 
 PassRefPtr<AudioChannelSplitter> AudioContext::createChannelSplitter()
 {
     ASSERT(isMainThread());
     lazyInitialize();
     return AudioChannelSplitter::create(this, m_destinationNode->sampleRate());
 }
 
-PassRefPtr<AudioChannelMerger> AudioContext::createChannelMerger()
-{
-    ASSERT(isMainThread());
-    lazyInitialize();
-    return AudioChannelMerger::create(this, m_destinationNode->sampleRate());
-}
-
 void AudioContext::notifyNodeFinishedProcessing(AudioNode* node)
 {
     ASSERT(isAudioThread());
     m_finishedNodes.append(node);
 }
 
 void AudioContext::derefFinishedSourceNodes()
 {
     ASSERT(isGraphOwner());
     ASSERT(isAudioThread() || isAudioThreadFinished());
@@ skipping 292 matching lines @@
     // Avoid firing the event if the document has already gone away.
     if (hasDocument()) {
         // Call the offline rendering completion event listener.
         dispatchEvent(OfflineAudioCompletionEvent::create(renderedBuffer));
     }
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)