bindings: Adds virtual ScriptWrappable::wrap method.

Source/modules/mediastream/MediaStreamEvent.h

 /*
  * Copyright (C) 2011 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 20 matching lines @@
 
 namespace blink {
 
 struct MediaStreamEventInit : public EventInit {
     MediaStreamEventInit();
 
     Member<MediaStream> stream;
 };
 
 class MediaStreamEvent FINAL : public Event {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     virtual ~MediaStreamEvent();
 
     static PassRefPtrWillBeRawPtr<MediaStreamEvent> create();
     static PassRefPtrWillBeRawPtr<MediaStreamEvent> create(const AtomicString& type, bool canBubble, bool cancelable, MediaStream*);
     static PassRefPtrWillBeRawPtr<MediaStreamEvent> create(const AtomicString& type, const MediaStreamEventInit& initializer);
 
     MediaStream* stream() const;
     MediaStream* stream(bool&) const;
 
     virtual const AtomicString& interfaceName() const OVERRIDE;
 
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
     MediaStreamEvent();
     MediaStreamEvent(const AtomicString& type, bool canBubble, bool cancelable, MediaStream*);
     MediaStreamEvent(const AtomicString& type, const MediaStreamEventInit&);
 
     PersistentWillBeMember<MediaStream> m_stream;
 };
 
 } // namespace blink
 
 #endif // MediaStreamEvent_h