Enable Oilpan by default for webaudio/

Source/modules/webaudio/MediaStreamAudioDestinationNode.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 17 matching lines @@
 
 #include "modules/webaudio/AudioContext.h"
 #include "modules/webaudio/AudioNodeInput.h"
 #include "platform/UUID.h"
 #include "platform/mediastream/MediaStreamCenter.h"
 #include "public/platform/WebRTCPeerConnectionHandler.h"
 #include "wtf/Locker.h"
 
 namespace blink {
 
-PassRefPtrWillBeRawPtr<MediaStreamAudioDestinationNode> MediaStreamAudioDestinationNode::create(AudioContext* context, size_t numberOfChannels)
+MediaStreamAudioDestinationNode* MediaStreamAudioDestinationNode::create(AudioContext* context, size_t numberOfChannels)
 {
-    return adoptRefWillBeNoop(new MediaStreamAudioDestinationNode(context, numberOfChannels));
+    return adoptRefCountedGarbageCollectedWillBeNoop(new MediaStreamAudioDestinationNode(context, numberOfChannels));
 }
 
 MediaStreamAudioDestinationNode::MediaStreamAudioDestinationNode(AudioContext* context, size_t numberOfChannels)
     : AudioBasicInspectorNode(context, context->sampleRate(), numberOfChannels)
     , m_mixBus(AudioBus::create(numberOfChannels, ProcessingSizeInFrames))
 {
     ScriptWrappable::init(this);
     setNodeType(NodeTypeMediaStreamAudioDestination);
 
     m_source = MediaStreamSource::create("WebAudio-" + createCanonicalUUIDString(), MediaStreamSource::TypeAudio, "MediaStreamAudioDestinationNode", MediaStreamSource::ReadyStateLive, true);
@@ skipping 27 matching lines @@
 
 void MediaStreamAudioDestinationNode::process(size_t numberOfFrames)
 {
     m_mixBus->copyFrom(*input(0)->bus());
     m_source->consumeAudio(m_mixBus.get(), numberOfFrames);
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)