Tried to move AudioSummingJuction to oilpan

Source/modules/webaudio/AudioProcessingEvent.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 17 matching lines @@
 
 #include "modules/webaudio/AudioProcessingEvent.h"
 
 namespace WebCore {
 
 PassRefPtrWillBeRawPtr<AudioProcessingEvent> AudioProcessingEvent::create()
 {
     return adoptRefWillBeNoop(new AudioProcessingEvent);
 }
 
-PassRefPtrWillBeRawPtr<AudioProcessingEvent> AudioProcessingEvent::create(PassRefPtr<AudioBuffer> inputBuffer, PassRefPtr<AudioBuffer> outputBuffer, double playbackTime)
+PassRefPtrWillBeRawPtr<AudioProcessingEvent> AudioProcessingEvent::create(PassRefPtrWillBeRawPtr<AudioBuffer> inputBuffer, PassRefPtrWillBeRawPtr<AudioBuffer> outputBuffer, double playbackTime)
 {
     return adoptRefWillBeNoop(new AudioProcessingEvent(inputBuffer, outputBuffer, playbackTime));
 }
 
 AudioProcessingEvent::AudioProcessingEvent()
 {
     ScriptWrappable::init(this);
 }
 
-AudioProcessingEvent::AudioProcessingEvent(PassRefPtr<AudioBuffer> inputBuffer, PassRefPtr<AudioBuffer> outputBuffer, double playbackTime)
+AudioProcessingEvent::AudioProcessingEvent(PassRefPtrWillBeRawPtr<AudioBuffer> inputBuffer, PassRefPtrWillBeRawPtr<AudioBuffer> outputBuffer, double playbackTime)
     : Event(EventTypeNames::audioprocess, true, false)
     , m_inputBuffer(inputBuffer)
     , m_outputBuffer(outputBuffer)
     , m_playbackTime(playbackTime)
 {
     ScriptWrappable::init(this);
 }
 
 AudioProcessingEvent::~AudioProcessingEvent()
 {
 }
 
 const AtomicString& AudioProcessingEvent::interfaceName() const
 {
     return EventNames::AudioProcessingEvent;
 }
 
 void AudioProcessingEvent::trace(Visitor* visitor)
 {
+    visitor->trace(m_inputBuffer);
+    visitor->trace(m_outputBuffer);
     Event::trace(visitor);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)