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

Source/WebCore/dom/FocusEvent.cpp

Index: Source/WebCore/dom/FocusEvent.cpp
diff --git a/Source/WebCore/dom/FocusEvent.cpp b/Source/WebCore/dom/FocusEvent.cpp
index 08d5222f94459398db6b4f463673495acb522667..e2b047708b1c423798f701fd59914936007b0b0f 100644
--- a/Source/WebCore/dom/FocusEvent.cpp
+++ b/Source/WebCore/dom/FocusEvent.cpp
@@ -51,18 +51,21 @@ bool FocusEvent::isFocusEvent() const
 
 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)