Remove ThreadLocalEventNames

Source/core/platform/ThreadGlobalData.h

 /*
  * Copyright (C) 2008 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 20 matching lines @@
 #include "wtf/HashSet.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/ThreadSpecific.h"
 #include "wtf/Threading.h"
 #include "wtf/text/StringHash.h"
 
 namespace WebCore {
 
-    class ThreadLocalEventNames;
     class ThreadLocalInspectorCounters;
     class ThreadTimers;
 
     struct TECConverterWrapper;
 
     class ThreadGlobalData {
         WTF_MAKE_NONCOPYABLE(ThreadGlobalData);
     public:
         ThreadGlobalData();
         ~ThreadGlobalData();
 
         void destroy(); // called on workers to clean up the ThreadGlobalData before the thread exits.
 
-        ThreadLocalEventNames& eventNames() { return *m_eventNames; }
         ThreadLocalInspectorCounters& inspectorCounters() { return *m_inspectorCounters; }
 
     private:
-        OwnPtr<ThreadLocalEventNames> m_eventNames;
         OwnPtr<ThreadLocalInspectorCounters> m_inspectorCounters;
 
         static ThreadSpecific<ThreadGlobalData>* staticData;
         friend ThreadGlobalData& threadGlobalData();
     };
 
 inline ThreadGlobalData& threadGlobalData()
 {
     // FIXME: Workers are not necessarily the only feature that make per-thread global data necessary.
     // We need to check for e.g. database objects manipulating strings on secondary threads.
 
     // ThreadGlobalData is used on main thread before it could possibly be used on secondary ones, so there is no need for synchronization here.
     if (!ThreadGlobalData::staticData)
         ThreadGlobalData::staticData = new ThreadSpecific<ThreadGlobalData>;
     return **ThreadGlobalData::staticData;
 }
 
 } // namespace WebCore
 
 #endif // ThreadGlobalData_h