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

Source/WebCore/dom/FocusEvent.cpp

 /*
  * 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 33 matching lines @@
     return eventNames().interfaceForFocusEvent;
 }
 
 bool FocusEvent::isFocusEvent() const
 {
     return true;
 }
 
 FocusEvent::FocusEvent()
 {
+    ScriptWrappable::init(this);
 }
 
 FocusEvent::FocusEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView> view, int detail, PassRefPtr<EventTarget> relatedTarget)
     : UIEvent(type, canBubble, cancelable, view, detail)
     , m_relatedTarget(relatedTarget)
 {
+    ScriptWrappable::init(this);
 }
 
 FocusEvent::FocusEvent(const AtomicString& type, const FocusEventInit& initializer)
     : UIEvent(type, initializer)
     , m_relatedTarget(initializer.relatedTarget)
 {
+    ScriptWrappable::init(this);
 }
 
 PassRefPtr<FocusEventDispatchMediator> FocusEventDispatchMediator::create(PassRefPtr<FocusEvent> focusEvent)
 {
     return adoptRef(new FocusEventDispatchMediator(focusEvent));
 }
 
 FocusEventDispatchMediator::FocusEventDispatchMediator(PassRefPtr<FocusEvent> focusEvent)
     : EventDispatchMediator(focusEvent)
 {
@@ skipping 47 matching lines @@
 {
 }
 
 bool FocusOutEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) const
 {
     EventRetargeter::adjustForFocusEvent(dispatcher->node(), *event(), dispatcher->eventPath());
     return EventDispatchMediator::dispatchEvent(dispatcher);
 }
 
 } // namespace WebCore