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

Source/core/css/CSSFontSelector.h

 /*
  * Copyright (C) 2007, 2008, 2011 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 11 matching lines @@
  * (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 CSSFontSelector_h
 #define CSSFontSelector_h
 
 #include "core/loader/cache/CachedResourceHandle.h"
 #include "core/platform/Timer.h"
 #include "core/platform/graphics/FontSelector.h"
-#include <wtf/Forward.h>
-#include <wtf/HashMap.h>
-#include <wtf/HashSet.h>
-#include <wtf/RefPtr.h>
-#include <wtf/text/StringHash.h>
+#include "wtf/Forward.h"
+#include "wtf/HashMap.h"
+#include "wtf/HashSet.h"
+#include "wtf/text/StringHash.h"
 
 namespace WebCore {
 
 class CSSFontFace;
 class CSSFontFaceRule;
 class CSSSegmentedFontFace;
 class CachedFont;
 class Document;
 class FontDescription;
 class StyleRuleFontFace;
@@ skipping 42 matching lines @@
 
     Vector<CachedResourceHandle<CachedFont> > m_fontsToBeginLoading;
     Timer<CSSFontSelector> m_beginLoadingTimer;
     
     unsigned m_version;
 };
 
 } // namespace WebCore
 
 #endif // CSSFontSelector_h