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

Source/web/tests/CustomEventTest.cpp

Index: Source/web/tests/CustomEventTest.cpp
diff --git a/Source/web/tests/CustomEventTest.cpp b/Source/web/tests/CustomEventTest.cpp
index f2ae08fc488bffe6d0234cd7b4f10f084ec075b2..d83896e00fda4db1aaaea55165335adcdb58515b 100644
--- a/Source/web/tests/CustomEventTest.cpp
+++ b/Source/web/tests/CustomEventTest.cpp
@@ -106,7 +106,7 @@ TEST(CustomEventTest, InitWithSerializedScriptValue)
     WebDOMEvent event = frame->frame()->document()->createEvent("CustomEvent", IGNORE_EXCEPTION);
     WebDOMCustomEvent customEvent = event.to<WebDOMCustomEvent>();
 
-    v8::HandleScope handleScope(frame->frame()->script()->isolate());
+    v8::HandleScope handleScope(isolateForFrame(frame->frame()));
     customEvent.initCustomEvent("blah", false, false, WebSerializedScriptValue::serialize(v8::Boolean::New(true)));
     RefPtr<EventListener> listener = TestListener::create(frame->mainWorldScriptContext());
     frame->frame()->document()->addEventListener("blah", listener, false);