Fix r157217, committed patch set didn't contain the latest review modifications.

Source/bindings/v8/ScriptEventListener.cpp

Index: Source/bindings/v8/ScriptEventListener.cpp
diff --git a/Source/bindings/v8/ScriptEventListener.cpp b/Source/bindings/v8/ScriptEventListener.cpp
index 7d4cc36a2a7ed4fe710ad5c239fd1e08e46a6a84..e256f1cec602479a3119b6bb9577971ca6a588ac 100644
--- a/Source/bindings/v8/ScriptEventListener.cpp
+++ b/Source/bindings/v8/ScriptEventListener.cpp
@@ -125,7 +125,7 @@ ScriptState* eventListenerHandlerScriptState(Frame* frame, EventListener* listen
     if (listener->type() != EventListener::JSEventListenerType)
         return 0;
     V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListener*>(listener);
-    v8::HandleScope scope(frame->script()->isolate());
+    v8::HandleScope scope(getIsolateFromFrame(frame));
     v8::Handle<v8::Context> v8Context = frame->script()->windowShell(v8Listener->world())->context();
     return ScriptState::forContext(v8Context);
 }