Remove ~1750 superfluous includes from core

Source/core/html/track/TextTrackList.cpp

 /*
  * Copyright (C) 2011, 2012 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 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #include "config.h"
 
 #include "core/html/track/TextTrackList.h"
 
 #include "core/dom/EventNames.h"
-#include "core/dom/ScriptExecutionContext.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/track/InbandTextTrack.h"
 #include "core/html/track/LoadableTextTrack.h"
 #include "core/html/track/TextTrack.h"
 #include "core/html/track/TrackEvent.h"
-#include "core/platform/graphics/InbandTextTrackPrivate.h"
 
 using namespace WebCore;
 
 TextTrackList::TextTrackList(HTMLMediaElement* owner, ScriptExecutionContext* context)
     : m_context(context)
     , m_owner(owner)
     , m_pendingEventTimer(this, &TextTrackList::asyncEventTimerFired)
     , m_dispatchingEvents(0)
 {
     ASSERT(context->isDocument());
@@ skipping 212 matching lines @@
     for (size_t index = 0; index < count; ++index)
         dispatchEvent(pendingEvents[index].release(), IGNORE_EXCEPTION);
     --m_dispatchingEvents;
 }
 
 Node* TextTrackList::owner() const
 {
     return m_owner;
 }