First part of work to move V8 binding integrity off of vtables.

Source/WebCore/Modules/speech/SpeechSynthesisEvent.cpp

 /*
  * Copyright (C) 2013 Apple 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 24 matching lines @@
     return adoptRef(new SpeechSynthesisEvent());
 }
 
 PassRefPtr<SpeechSynthesisEvent> SpeechSynthesisEvent::create(const AtomicString& type, unsigned long charIndex, float elapsedTime, const String& name)
 {
     return adoptRef(new SpeechSynthesisEvent(type, charIndex, elapsedTime, name));
 }
 
 SpeechSynthesisEvent::SpeechSynthesisEvent()
 {
+    ScriptWrappable::init(this);
 }
 
 SpeechSynthesisEvent::SpeechSynthesisEvent(const AtomicString& type, unsigned long charIndex, float elapsedTime, const String& name)
     : Event(type, false, false)
     , m_charIndex(charIndex)
     , m_elapsedTime(elapsedTime)
     , m_name(name)
 {
 }
     
 } // namespace WebCore
 
 #endif // ENABLE(SPEECH_SYNTHESIS)