Reduce repetitive EventTarget subclassing

Source/modules/indexeddb/IDBTransaction.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:
  *
  * 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
@@ skipping 381 matching lines @@
 {
     ASSERT_WITH_MESSAGE(m_state != Finished, "A finished transaction tried to enqueue an event of type %s.", event->type().string().utf8().data());
     if (m_contextStopped || !scriptExecutionContext())
         return;
 
     EventQueue* eventQueue = scriptExecutionContext()->eventQueue();
     event->setTarget(this);
     eventQueue->enqueueEvent(event);
 }
 
-EventTargetData* IDBTransaction::eventTargetData()
-{
-    return &m_eventTargetData;
-}
-
-EventTargetData* IDBTransaction::ensureEventTargetData()
-{
-    return &m_eventTargetData;
-}
-
 IDBDatabaseBackendInterface* IDBTransaction::backendDB() const
 {
     return db()->backend();
 }
 
 } // namespace WebCore