WTF::notFound looks too much like a local variable.

Source/bindings/v8/ScriptGCEvent.cpp

Index: Source/bindings/v8/ScriptGCEvent.cpp
diff --git a/Source/bindings/v8/ScriptGCEvent.cpp b/Source/bindings/v8/ScriptGCEvent.cpp
index 50b2d8fbd95dacc80cecd852991632eee1955d84..361d8e3e965a80749492f50f08099b8929462530 100644
--- a/Source/bindings/v8/ScriptGCEvent.cpp
+++ b/Source/bindings/v8/ScriptGCEvent.cpp
@@ -62,7 +62,7 @@ void ScriptGCEvent::removeEventListener(ScriptGCEventListener* eventListener)
     GCEventData::GCEventListeners& listeners = isolateGCEventData()->listeners();
     ASSERT(!listeners.isEmpty());
     size_t i = listeners.find(eventListener);
-    ASSERT(i != notFound);
+    ASSERT(i != kNotFound);
     listeners.remove(i);
     if (listeners.isEmpty()) {
         v8::V8::RemoveGCPrologueCallback(ScriptGCEvent::gcPrologueCallback);