Oilpan: Enable oilpan for callback classes

Source/modules/webaudio/AudioContext.h

 /*
  * 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 81 matching lines @@
     virtual bool hasPendingActivity() const OVERRIDE;
 
     AudioDestinationNode* destination() { return m_destinationNode.get(); }
     size_t currentSampleFrame() const { return m_destinationNode->currentSampleFrame(); }
     double currentTime() const { return m_destinationNode->currentTime(); }
     float sampleRate() const { return m_destinationNode->sampleRate(); }
 
     AudioBuffer* createBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState&);
 
     // Asynchronous audio file data decoding.
-    void decodeAudioData(ArrayBuffer*, PassOwnPtrWillBeRawPtr<AudioBufferCallback>, PassOwnPtrWillBeRawPtr<AudioBufferCallback>, ExceptionState&);
+    void decodeAudioData(ArrayBuffer*, AudioBufferCallback*, AudioBufferCallback*, ExceptionState&);
 
     AudioListener* listener() { return m_listener.get(); }
 
     // The AudioNode create methods are called on the main thread (from JavaScript).
     AudioBufferSourceNode* createBufferSource();
     MediaElementAudioSourceNode* createMediaElementSource(HTMLMediaElement*, ExceptionState&);
     MediaStreamAudioSourceNode* createMediaStreamSource(MediaStream*, ExceptionState&);
     MediaStreamAudioDestinationNode* createMediaStreamDestination();
     GainNode* createGain();
     BiquadFilterNode* createBiquadFilter();
@@ skipping 239 matching lines @@
     HashSet<AudioNode*> m_deferredCountModeChange;
 
     // This is considering 32 is large enough for multiple channels audio.
     // It is somewhat arbitrary and could be increased if necessary.
     enum { MaxNumberOfChannels = 32 };
 };
 
 } // namespace blink
 
 #endif // AudioContext_h