Remove ThreadLocalEventNames

Source/core/events/PopStateEvent.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 59 matching lines @@
     return adoptRef(new PopStateEvent(serializedState, history));
 }
 
 PassRefPtr<PopStateEvent> PopStateEvent::create(const AtomicString& type, const PopStateEventInit& initializer)
 {
     return adoptRef(new PopStateEvent(type, initializer));
 }
 
 const AtomicString& PopStateEvent::interfaceName() const
 {
-    return eventNames().interfaceForPopStateEvent;
+    return EventNames::PopStateEvent;
 }
 
 } // namespace WebCore