Move webaudio to oilpan

Source/modules/webaudio/AudioNodeOutput.h

Index: Source/modules/webaudio/AudioNodeOutput.h
diff --git a/Source/modules/webaudio/AudioNodeOutput.h b/Source/modules/webaudio/AudioNodeOutput.h
index 95eb35d608f1867ff9ec4d793f808ae3d38e1060..ddaa9b24907931fa9112e7ce74e0101d88a34301 100644
--- a/Source/modules/webaudio/AudioNodeOutput.h
+++ b/Source/modules/webaudio/AudioNodeOutput.h
@@ -131,8 +131,7 @@ private:
     // If m_isInPlace is true, use m_inPlaceBus as the valid AudioBus; If false, use the default m_internalBus.
     bool m_isInPlace;
 
-    HashSet<AudioNodeInput*> m_inputs;
-    typedef HashSet<AudioNodeInput*>::iterator InputsIterator;
+    WillBePersistentHeapHashSet<RefPtrWillBeMember<AudioParam> > m_params;
     bool m_isEnabled;
 
     // For the purposes of rendering, keeps track of the number of inputs and AudioParams we're connected to.
@@ -141,7 +140,6 @@ private:
     unsigned m_renderingParamFanOutCount;
 
     HashSet<RefPtr<AudioParam> > m_params;
-    typedef HashSet<RefPtr<AudioParam> >::iterator ParamsIterator;
 };
 
 } // namespace WebCore