Move webaudio to oilpan

Source/modules/webaudio/PannerNode.h

Index: Source/modules/webaudio/PannerNode.h
diff --git a/Source/modules/webaudio/PannerNode.h b/Source/modules/webaudio/PannerNode.h
index f1981df10f0ebeff06acececf5e3765b3bc8cd40..c0a353b4c84bafe9f0c1c3fe4c28d065c9595121 100644
--- a/Source/modules/webaudio/PannerNode.h
+++ b/Source/modules/webaudio/PannerNode.h
@@ -61,9 +61,9 @@ public:
         EXPONENTIAL_DISTANCE = 2,
     };
 
-    static PassRefPtr<PannerNode> create(AudioContext* context, float sampleRate)
+    static PassRefPtrWillBeRawPtr<PannerNode> create(AudioContext* context, float sampleRate)
     {
-        return adoptRef(new PannerNode(context, sampleRate));
+        return adoptRefWillBeNoop(new PannerNode(context, sampleRate));
     }
 
     virtual ~PannerNode();
@@ -119,6 +119,8 @@ public:
     virtual double tailTime() const OVERRIDE { return m_panner ? m_panner->tailTime() : 0; }
     virtual double latencyTime() const OVERRIDE { return m_panner ? m_panner->latencyTime() : 0; }
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
     PannerNode(AudioContext*, float sampleRate);
 
@@ -168,7 +170,7 @@ private:
     double m_cachedDopplerRate;
 
     // Cached listener parameters after processing.
-    RefPtr<AudioListener> m_cachedListener;
+    RefPtrWillBeMember<AudioListener> m_cachedListener;
 
     RefPtr<HRTFDatabaseLoader> m_hrtfDatabaseLoader;