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

Source/WebCore/dom/AnimationEvent.cpp

Index: Source/WebCore/dom/AnimationEvent.cpp
diff --git a/Source/WebCore/dom/AnimationEvent.cpp b/Source/WebCore/dom/AnimationEvent.cpp
index 3e7d18793f26edad5a7380942251e7bc686ef68e..fd183caa4c481060c1a7a6780515d54a4bd7eff5 100644
--- a/Source/WebCore/dom/AnimationEvent.cpp
+++ b/Source/WebCore/dom/AnimationEvent.cpp
@@ -39,6 +39,7 @@ AnimationEventInit::AnimationEventInit()
 AnimationEvent::AnimationEvent()
     : m_elapsedTime(0.0)
 {
+    ScriptWrappable::init(this);
 }
 
 AnimationEvent::AnimationEvent(const AtomicString& type, const AnimationEventInit& initializer)
@@ -46,6 +47,7 @@ AnimationEvent::AnimationEvent(const AtomicString& type, const AnimationEventIni
     , m_animationName(initializer.animationName)
     , m_elapsedTime(initializer.elapsedTime)
 {
+    ScriptWrappable::init(this);
 }
 
 AnimationEvent::AnimationEvent(const AtomicString& type, const String& animationName, double elapsedTime)
@@ -53,6 +55,7 @@ AnimationEvent::AnimationEvent(const AtomicString& type, const String& animation
     , m_animationName(animationName)
     , m_elapsedTime(elapsedTime)
 {
+    ScriptWrappable::init(this);
 }
 
 AnimationEvent::~AnimationEvent()