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

Source/WebCore/dom/TransitionEvent.cpp

Index: Source/WebCore/dom/TransitionEvent.cpp
diff --git a/Source/WebCore/dom/TransitionEvent.cpp b/Source/WebCore/dom/TransitionEvent.cpp
index 1862801577382794738d77d82d863700692e456b..deab6cd65f06ea191796b4fe8113129ea4355f43 100644
--- a/Source/WebCore/dom/TransitionEvent.cpp
+++ b/Source/WebCore/dom/TransitionEvent.cpp
@@ -39,6 +39,7 @@ TransitionEventInit::TransitionEventInit()
 TransitionEvent::TransitionEvent()
     : m_elapsedTime(0)
 {
+    ScriptWrappable::init(this);
 }
 
 TransitionEvent::TransitionEvent(const AtomicString& type, const String& propertyName, double elapsedTime, const String& pseudoElement)
@@ -47,6 +48,7 @@ TransitionEvent::TransitionEvent(const AtomicString& type, const String& propert
     , m_elapsedTime(elapsedTime)
     , m_pseudoElement(pseudoElement)
 {
+    ScriptWrappable::init(this);
 }
 
 TransitionEvent::TransitionEvent(const AtomicString& type, const TransitionEventInit& initializer)
@@ -55,6 +57,7 @@ TransitionEvent::TransitionEvent(const AtomicString& type, const TransitionEvent
     , m_elapsedTime(initializer.elapsedTime)
     , m_pseudoElement(initializer.pseudoElement)
 {
+    ScriptWrappable::init(this);
 }
 
 TransitionEvent::~TransitionEvent()