Reduce repetitive EventTarget subclassing

Source/core/workers/AbstractWorker.cpp

 /*
  * Copyright (C) 2010 Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 64 matching lines @@
     }
 
     if (scriptExecutionContext()->contentSecurityPolicy() && !scriptExecutionContext()->contentSecurityPolicy()->allowScriptFromSource(scriptURL)) {
         es.throwSecurityError("Failed to create a worker: access to the script at '" + scriptURL.elidedString() + "' is denied by the document's Content Security Policy.");
         return KURL();
     }
 
     return scriptURL;
 }
 
-EventTargetData* AbstractWorker::eventTargetData()
-{
-    return &m_eventTargetData;
-}
-
-EventTargetData* AbstractWorker::ensureEventTargetData()
-{
-    return &m_eventTargetData;
-}
-
 } // namespace WebCore