Remove unused includes from various .cpp files in core/

Source/core/editing/htmlediting.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 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/editing/htmlediting.h"
 
 #include "HTMLElementFactory.h"
 #include "HTMLNames.h"
-#include "core/accessibility/AXObjectCache.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCodePlaceholder.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/PositionIterator.h"
 #include "core/dom/Range.h"
 #include "core/dom/Text.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/Editor.h"
 #include "core/editing/HTMLInterchange.h"
 #include "core/editing/TextIterator.h"
 #include "core/editing/VisiblePosition.h"
 #include "core/editing/VisibleSelection.h"
 #include "core/editing/VisibleUnits.h"
 #include "core/html/HTMLBRElement.h"
 #include "core/html/HTMLDivElement.h"
 #include "core/html/HTMLLIElement.h"
 #include "core/html/HTMLOListElement.h"
-#include "core/html/HTMLObjectElement.h"
 #include "core/html/HTMLParagraphElement.h"
-#include "core/html/HTMLTextFormControlElement.h"
 #include "core/html/HTMLUListElement.h"
 #include "core/page/Frame.h"
 #include "core/rendering/RenderObject.h"
 #include <wtf/Assertions.h>
 #include <wtf/StdLibExtras.h>
 #include <wtf/unicode/CharacterNames.h>
 
 using namespace std;
 
 namespace WebCore {
@@ skipping 1139 matching lines @@
     // if the selection starts just before a paragraph break, skip over it
     if (isEndOfParagraph(visiblePosition))
         return visiblePosition.next().deepEquivalent().downstream();
 
     // otherwise, make sure to be at the start of the first selected node,
     // instead of possibly at the end of the last node before the selection
     return visiblePosition.deepEquivalent().downstream();
 }
 
 } // namespace WebCore