Enable Oilpan by default for webaudio/

Source/modules/webaudio/DynamicsCompressorNode.h

 /*
  * Copyright (C) 2011, 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/AudioNode.h"
 #include "modules/webaudio/AudioParam.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class DynamicsCompressor;
 
 class DynamicsCompressorNode FINAL : public AudioNode {
 public:
-    static PassRefPtrWillBeRawPtr<DynamicsCompressorNode> create(AudioContext* context, float sampleRate)
+    static DynamicsCompressorNode* create(AudioContext* context, float sampleRate)
     {
-        return adoptRefWillBeNoop(new DynamicsCompressorNode(context, sampleRate));
+        return adoptRefCountedGarbageCollectedWillBeNoop(new DynamicsCompressorNode(context, sampleRate));
     }
 
     virtual ~DynamicsCompressorNode();
 
     // AudioNode
     virtual void dispose() OVERRIDE;
     virtual void process(size_t framesToProcess) OVERRIDE;
     virtual void initialize() OVERRIDE;
     virtual void uninitialize() OVERRIDE;
 
     // Static compression curve parameters.
     AudioParam* threshold() { return m_threshold.get(); }
     AudioParam* knee() { return m_knee.get(); }
     AudioParam* ratio() { return m_ratio.get(); }
     AudioParam* attack() { return m_attack.get(); }
     AudioParam* release() { return m_release.get(); }
 
     // Amount by which the compressor is currently compressing the signal in decibels.
     AudioParam* reduction() { return m_reduction.get(); }
 
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
     virtual double tailTime() const OVERRIDE;
     virtual double latencyTime() const OVERRIDE;
 
     DynamicsCompressorNode(AudioContext*, float sampleRate);
 
     OwnPtr<DynamicsCompressor> m_dynamicsCompressor;
-    RefPtrWillBeMember<AudioParam> m_threshold;
-    RefPtrWillBeMember<AudioParam> m_knee;
-    RefPtrWillBeMember<AudioParam> m_ratio;
-    RefPtrWillBeMember<AudioParam> m_reduction;
-    RefPtrWillBeMember<AudioParam> m_attack;
-    RefPtrWillBeMember<AudioParam> m_release;
+    Member<AudioParam> m_threshold;
+    Member<AudioParam> m_knee;
+    Member<AudioParam> m_ratio;
+    Member<AudioParam> m_reduction;
+    Member<AudioParam> m_attack;
+    Member<AudioParam> m_release;
 };
 
 } // namespace blink
 
 #endif // DynamicsCompressorNode_h