Remove unused includes from core/{editing,fileapi,history,html}

Source/core/html/shadow/MediaControls.h

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * 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.
  */
 
 #ifndef MediaControls_h
 #define MediaControls_h
 
-#include "HTMLNames.h"
 #include "core/dom/MouseEvent.h"
-#include "core/dom/Text.h"
 #include "core/html/HTMLDivElement.h"
-#include "core/html/HTMLMediaElement.h"
 #include "core/html/shadow/MediaControlElements.h"
-#include "core/page/Chrome.h"
 #include "core/page/Page.h"
 #include "core/rendering/RenderTheme.h"
-#include <wtf/RefPtr.h>
-
-#include "core/html/track/TextTrackCue.h"
 
 namespace WebCore {
 
 class Document;
 class Event;
 class Page;
 class MediaPlayer;
 
 class RenderBox;
 class RenderMedia;
@@ skipping 88 matching lines @@
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isMediaControls());
     return static_cast<MediaControls*>(node);
 }
 
 // This will catch anyone doing an unneccessary cast.
 void toMediaControls(const MediaControls*);
 
 }
 
 #endif