Remove ThreadLocalEventNames

Source/core/timing/Performance.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 48 matching lines @@
     ASSERT(m_referenceTime);
     ScriptWrappable::init(this);
 }
 
 Performance::~Performance()
 {
 }
 
 const AtomicString& Performance::interfaceName() const
 {
-    return eventNames().interfaceForPerformance;
+    return EventTargetNames::Performance;
 }
 
 ExecutionContext* Performance::executionContext() const
 {
     if (!frame())
         return 0;
     return frame()->document();
 }
 
 PassRefPtr<MemoryInfo> Performance::memory() const
@@ skipping 195 matching lines @@
         m_userTiming = UserTiming::create(this);
     m_userTiming->clearMeasures(measureName);
 }
 
 double Performance::now() const
 {
     return 1000.0 * (monotonicallyIncreasingTime() - m_referenceTime);
 }
 
 } // namespace WebCore