Remove unused includes from core/accessibility, core/css and core/dom

Source/core/accessibility/AccessibilityTableHeaderContainer.h

 /*
  * Copyright (C) 2008 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
@@ skipping 13 matching lines @@
  * 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 AccessibilityTableHeaderContainer_h
 #define AccessibilityTableHeaderContainer_h
 
 #include "core/accessibility/AccessibilityMockObject.h"
 #include "core/accessibility/AccessibilityTable.h"
-#include "core/platform/graphics/IntRect.h"
 
 namespace WebCore {
 
 class AccessibilityTableHeaderContainer : public AccessibilityMockObject {
 
 private:
     AccessibilityTableHeaderContainer();
 public:
     static PassRefPtr<AccessibilityTableHeaderContainer> create();
     virtual ~AccessibilityTableHeaderContainer();
 
     virtual AccessibilityRole roleValue() const OVERRIDE { return TableHeaderContainerRole; }
 
     virtual void addChildren() OVERRIDE;
 
     virtual LayoutRect elementRect() const OVERRIDE;
 
 private:
     LayoutRect m_headerRect;
 
     virtual bool computeAccessibilityIsIgnored() const OVERRIDE;
 };
 
 } // namespace WebCore
 
 #endif // AccessibilityTableHeaderContainer_h