Remove some unused includes from core/css and core/dom

Source/core/dom/ClientRectList.cpp

 /*
  * Copyright (C) 2009 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/dom/ClientRectList.h"
 
 #include "core/dom/ClientRect.h"
-#include "core/dom/ExceptionCode.h"
 
 namespace WebCore {
 
 ClientRectList::ClientRectList()
 {
 }
 
 ClientRectList::ClientRectList(const Vector<FloatQuad>& quads)
 {
     m_list.reserveInitialCapacity(quads.size());
@@ skipping 15 matching lines @@
     if (index >= m_list.size()) {
         // FIXME: this should throw an exception.
         // ec = INDEX_SIZE_ERR;
         return 0;
     }
 
     return m_list[index].get();
 }
 
 } // namespace WebCore