Remove ThreadLocalEventNames

Source/core/html/track/TrackBase.cpp

 /*
  * Copyright (C) 2011 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 23 matching lines @@
     ASSERT(type != BaseTrack);
     m_type = type;
 }
 
 TrackBase::~TrackBase()
 {
 }
 
 const AtomicString& TrackBase::interfaceName() const
 {
-    return eventNames().interfaceForTextTrack;
+    return EventTargetNames::TextTrack;
 }
 
 ExecutionContext* TrackBase::executionContext() const
 {
     return m_executionContext;
 }
 
 } // namespace WebCore