Remove unnecessary Document.h includes in .cpp files

Source/core/rendering/RenderCounter.cpp

 /**
  * Copyright (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "config.h"
 #include "core/rendering/RenderCounter.h"
 
 #include "core/HTMLNames.h"
-#include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/html/HTMLOListElement.h"
 #include "core/rendering/CounterNode.h"
 #include "core/rendering/RenderListItem.h"
 #include "core/rendering/RenderListMarker.h"
 #include "core/rendering/RenderView.h"
 #include "core/rendering/style/RenderStyle.h"
 #include "wtf/StdLibExtras.h"
 
@@ skipping 572 matching lines @@
             fprintf(stderr, "    ");
         fprintf(stderr, "%p N:%p P:%p PS:%p NS:%p C:%p\n",
             current, current->node(), current->parent(), current->previousSibling(),
             current->nextSibling(), current->hasCounterNodeMap() ?
             counterName ? WebCore::counterMaps().get(current)->get(identifier) : (WebCore::CounterNode*)1 : (WebCore::CounterNode*)0);
     }
     fflush(stderr);
 }
 
 #endif // NDEBUG