Use new phantom handles for ScriptWrappable.

Source/bindings/core/v8/DOMWrapperWorld.h

Index: Source/bindings/core/v8/DOMWrapperWorld.h
diff --git a/Source/bindings/core/v8/DOMWrapperWorld.h b/Source/bindings/core/v8/DOMWrapperWorld.h
index 7f1f8a6e1bff3fc7f7e120a2f7106e18f389bd77..12119d244e0523d44741a9ec2033b6b8966c5c76 100644
--- a/Source/bindings/core/v8/DOMWrapperWorld.h
+++ b/Source/bindings/core/v8/DOMWrapperWorld.h
@@ -137,9 +137,9 @@ private:
 
         DOMWrapperWorld* world() const { return m_world; }
         void setWorld(DOMWrapperWorld* world) { m_world = world; }
-        void setWeak(void (*callback)(const v8::WeakCallbackData<v8::Value, DOMObjectHolderBase>&))
+        void setPhantom(void (*callback)(const v8::PhantomCallbackData<DOMObjectHolderBase>&))
         {
-            m_wrapper.setWeak(this, callback);
+            m_wrapper.setPhantom(this, callback);
         }
 
     private:
@@ -175,7 +175,7 @@ public:
 private:
     DOMWrapperWorld(v8::Isolate*, int worldId, int extensionGroup);
 
-    static void weakCallbackForDOMObjectHolder(const v8::WeakCallbackData<v8::Value, DOMObjectHolderBase>&);
+    static void phantomCallbackForDOMObjectHolder(const v8::PhantomCallbackData<DOMObjectHolderBase>&);
     void registerDOMObjectHolderInternal(PassOwnPtr<DOMObjectHolderBase>);
     void unregisterDOMObjectHolder(DOMObjectHolderBase*);