Move webaudio to oilpan

Source/modules/webaudio/AudioBuffer.h

Index: Source/modules/webaudio/AudioBuffer.h
diff --git a/Source/modules/webaudio/AudioBuffer.h b/Source/modules/webaudio/AudioBuffer.h
index cea3f06709d5ce736b24c2fb97c87626b9a90e69..0abee6a5b298acacaff051c44271e4b4b6193529 100644
--- a/Source/modules/webaudio/AudioBuffer.h
+++ b/Source/modules/webaudio/AudioBuffer.h
@@ -41,12 +41,14 @@ namespace WebCore {
 class AudioBus;
 class ExceptionState;
 
-class AudioBuffer : public ScriptWrappable, public RefCounted<AudioBuffer> {
+class AudioBuffer : public ScriptWrappable, public RefCountedWillBeGarbageCollectedFinalized<AudioBuffer> {

[sof, 2014/03/22 14:06:13]

Swap the order of these two? (i.e., I don't think we've dropped the constraint
that the GarbageCollected<> class needs to be leftmost. And it would be
consistent with how we generally order these.)

[keishi, 2014/03/27 07:39:37]

Done.

 public:
-    static PassRefPtr<AudioBuffer> create(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate);
+    static PassRefPtrWillBeRawPtr<AudioBuffer> create(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate);
 
     // Returns 0 if data is not a valid audio file.
-    static PassRefPtr<AudioBuffer> createFromAudioFileData(const void* data, size_t dataSize, bool mixToMono, float sampleRate);
+    static PassRefPtrWillBeRawPtr<AudioBuffer> createFromAudioFileData(const void* data, size_t dataSize, bool mixToMono, float sampleRate);
+
+    static PassRefPtrWillBeRawPtr<AudioBuffer> createFromAudioBus(AudioBus*);
 
     // Format
     size_t length() const { return m_length; }
@@ -65,6 +67,9 @@ public:
 
     static float minAllowedSampleRate();
     static float maxAllowedSampleRate();
+
+    void trace(Visitor*) { }
+
 protected:
     AudioBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate);
     explicit AudioBuffer(AudioBus*);