Reduce repetitive EventTarget subclassing

Source/modules/mediastream/RTCPeerConnection.cpp

 /*
  * Copyright (C) 2012 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 620 matching lines @@
 
     m_stopped = true;
     m_iceConnectionState = IceConnectionStateClosed;
     m_signalingState = SignalingStateClosed;
 
     Vector<RefPtr<RTCDataChannel> >::iterator i = m_dataChannels.begin();
     for (; i != m_dataChannels.end(); ++i)
         (*i)->stop();
 }
 
-EventTargetData* RTCPeerConnection::eventTargetData()
-{
-    return &m_eventTargetData;
-}
-
-EventTargetData* RTCPeerConnection::ensureEventTargetData()
-{
-    return &m_eventTargetData;
-}
-
 void RTCPeerConnection::changeSignalingState(SignalingState signalingState)
 {
     if (m_signalingState != SignalingStateClosed && m_signalingState != signalingState) {
         m_signalingState = signalingState;
         scheduleDispatchEvent(Event::create(EventTypeNames::signalingstatechange));
     }
 }
 
 void RTCPeerConnection::changeIceGatheringState(IceGatheringState iceGatheringState)
 {
@@ skipping 25 matching lines @@
     events.swap(m_scheduledEvents);
 
     Vector<RefPtr<Event> >::iterator it = events.begin();
     for (; it != events.end(); ++it)
         dispatchEvent((*it).release());
 
     events.clear();
 }
 
 } // namespace WebCore