Use new phantom handles for ScriptWrappable.

Source/bindings/core/v8/DOMWrapperWorld.cpp

Index: Source/bindings/core/v8/DOMWrapperWorld.cpp
diff --git a/Source/bindings/core/v8/DOMWrapperWorld.cpp b/Source/bindings/core/v8/DOMWrapperWorld.cpp
index 20de0ae673ea43f269e235aa099c4284745e4a34..d79e03823c25a6c7c66c93fb88d5d335775fae52 100644
--- a/Source/bindings/core/v8/DOMWrapperWorld.cpp
+++ b/Source/bindings/core/v8/DOMWrapperWorld.cpp
@@ -225,7 +225,7 @@ void DOMWrapperWorld::registerDOMObjectHolderInternal(PassOwnPtr<DOMObjectHolder
 {
     ASSERT(!m_domObjectHolders.contains(holderBase.get()));
     holderBase->setWorld(this);
-    holderBase->setWeak(&DOMWrapperWorld::weakCallbackForDOMObjectHolder);
+    holderBase->setPhantom(&DOMWrapperWorld::phantomCallbackForDOMObjectHolder);
     m_domObjectHolders.add(holderBase);
 }
 
@@ -235,7 +235,7 @@ void DOMWrapperWorld::unregisterDOMObjectHolder(DOMObjectHolderBase* holderBase)
     m_domObjectHolders.remove(holderBase);
 }
 
-void DOMWrapperWorld::weakCallbackForDOMObjectHolder(const v8::WeakCallbackData<v8::Value, DOMObjectHolderBase>& data)
+void DOMWrapperWorld::phantomCallbackForDOMObjectHolder(const v8::PhantomCallbackData<DOMObjectHolderBase>& data)
 {
     DOMObjectHolderBase* holderBase = data.GetParameter();
     holderBase->world()->unregisterDOMObjectHolder(holderBase);