Remove ~1750 superfluous includes from core

Source/core/rendering/RenderMediaControlElements.cpp

 /*
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * 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.
@@ skipping 11 matching lines @@
  * 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.
  */
 
 #include "config.h"
 
 #include "core/rendering/RenderMediaControlElements.h"
 
-#include "core/rendering/RenderTheme.h"
 #include "core/rendering/RenderView.h"
 
 namespace WebCore {
 
 RenderTextTrackContainerElement::RenderTextTrackContainerElement(Element* element)
     : RenderBlock(element)
 {
 }
 
 void RenderTextTrackContainerElement::layout()
 {
     RenderBlock::layout();
     if (style()->display() == NONE)
         return;
 
     ASSERT(mediaControlElementType(node()) == MediaTextTrackDisplayContainer);
 
     LayoutStateDisabler layoutStateDisabler(view());
     static_cast<MediaControlTextTrackContainerElement*>(node())->updateSizes();
 }
 
 
 } // namespace WebCore