Enable Oilpan by default for webaudio/

Source/modules/webaudio/AudioScheduledSourceNode.cpp

 /*
  * Copyright (C) 2012, 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 21 matching lines @@
 #include "core/dom/CrossThreadTask.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/EventModules.h"
 #include "modules/webaudio/AudioContext.h"
 #include "platform/audio/AudioUtilities.h"
 #include "wtf/MathExtras.h"
 #include <algorithm>
 
 namespace blink {
 
-#if !ENABLE(OILPAN)
-// We need a dedicated specialization for AudioScheduledSourceNode because it
-// doesn't inherit from RefCounted.
-template<> struct CrossThreadCopierBase<false, false, false, PassRefPtr<AudioScheduledSourceNode> > : public CrossThreadCopierPassThrough<PassRefPtr<AudioScheduledSourceNode> > {
-};
-#endif
-
 const double AudioScheduledSourceNode::UnknownTime = -1;
 
 AudioScheduledSourceNode::AudioScheduledSourceNode(AudioContext* context, float sampleRate)
     : AudioSourceNode(context, sampleRate)
     , m_playbackState(UNSCHEDULED_STATE)
     , m_startTime(0)
     , m_endTime(UnknownTime)
     , m_hasEndedListener(false)
 {
 }
@@ skipping 122 matching lines @@
 
 void AudioScheduledSourceNode::finish()
 {
     if (m_playbackState != FINISHED_STATE) {
         // Let the context dereference this AudioNode.
         context()->notifyNodeFinishedProcessing(this);
         m_playbackState = FINISHED_STATE;
     }
 
     if (m_hasEndedListener && context()->executionContext()) {
-        context()->executionContext()->postTask(createCrossThreadTask(&AudioScheduledSourceNode::notifyEnded, PassRefPtrWillBeRawPtr<AudioScheduledSourceNode>(this)));
+        context()->executionContext()->postTask(createCrossThreadTask(&AudioScheduledSourceNode::notifyEnded, this));
     }
 }
 
 void AudioScheduledSourceNode::notifyEnded()
 {
     dispatchEvent(Event::create(EventTypeNames::ended));
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)