bindings: Adds virtual ScriptWrappable::wrap method.

Source/core/html/track/AudioTrack.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef AudioTrack_h
 #define AudioTrack_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/html/track/TrackBase.h"
 
 namespace blink {
 
 class AudioTrack FINAL : public TrackBase, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<AudioTrack> create(const String& id, const AtomicString& kind, const AtomicString& label, const AtomicString& language, bool enabled)
     {
         return adoptRefWillBeNoop(new AudioTrack(id, kind, label, language, enabled));
     }
     virtual ~AudioTrack();
 
     bool enabled() const { return m_enabled; }
     void setEnabled(bool);
 
@@ skipping 10 matching lines @@
 
     // TrackBase
     virtual bool isValidKind(const AtomicString&) const OVERRIDE;
     virtual AtomicString defaultKind() const OVERRIDE;
 
     bool m_enabled;
 };
 
 DEFINE_TRACK_TYPE_CASTS(AudioTrack, TrackBase::AudioTrack);
 
-}
+} // namespace blink
 
-#endif
+#endif // AudioTrack_h