Move mediastream module to oilpan transition types

Source/modules/mediastream/SourceInfo.h

 /*
  * Copyright (C) 2013 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 16 matching lines @@
 #define SourceInfo_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "public/platform/WebSourceInfo.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
-class SourceInfo : public RefCounted<SourceInfo>, public ScriptWrappable {
+class SourceInfo : public RefCountedWillBeGarbageCollectedFinalized<SourceInfo>, public ScriptWrappable {
 public:
-    static PassRefPtr<SourceInfo> create(const blink::WebSourceInfo&);
+    static PassRefPtrWillBeRawPtr<SourceInfo> create(const blink::WebSourceInfo&);
 
     String id() const;
     String kind() const;
     String label() const;
     String facing() const;
 
+    void trace(Visitor*) { }
+
 private:
     explicit SourceInfo(const blink::WebSourceInfo&);
 
     blink::WebSourceInfo m_webSourceInfo;
 };
 
-typedef Vector<RefPtr<SourceInfo> > SourceInfoVector;
+typedef WillBeHeapVector<RefPtrWillBeMember<SourceInfo> > SourceInfoVector;
 
 } // namespace WebCore
 
 #endif // SourceInfo_h