Move webaudio to oilpan

Source/modules/webaudio/AudioBufferSourceNode.h

Index: Source/modules/webaudio/AudioBufferSourceNode.h
diff --git a/Source/modules/webaudio/AudioBufferSourceNode.h b/Source/modules/webaudio/AudioBufferSourceNode.h
index d8efe5b2f13c529c4a309c85672a71039b059c00..ba2fe13a5c39de8e8d5608c246905af6c8e6fc3b 100644
--- a/Source/modules/webaudio/AudioBufferSourceNode.h
+++ b/Source/modules/webaudio/AudioBufferSourceNode.h
@@ -102,15 +102,15 @@ private:
     inline bool renderSilenceAndFinishIfNotLooping(AudioBus*, unsigned index, size_t framesToProcess);
 
     // m_buffer holds the sample data which this node outputs.
-    RefPtr<AudioBuffer> m_buffer;
+    RefPtrWillBePersistent<AudioBuffer> m_buffer;
 
     // Pointers for the buffer and destination.
     OwnPtr<const float*[]> m_sourceChannels;
     OwnPtr<float*[]> m_destinationChannels;
 
     // Used for the "gain" and "playbackRate" attributes.
-    RefPtr<AudioParam> m_gain;
-    RefPtr<AudioParam> m_playbackRate;
+    RefPtrWillBePersistent<AudioParam> m_gain;
+    RefPtrWillBePersistent<AudioParam> m_playbackRate;
 
     // If m_isLooping is false, then this node will be done playing and become inactive after it reaches the end of the sample data in the buffer.
     // If true, it will wrap around to the start of the buffer each time it reaches the end.