Clean up forward declarations in Source/core/css

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 19 matching lines @@
 #include "core/css/FontLoader.h"
 #include "platform/fonts/FontSelector.h"
 #include "platform/fonts/GenericFontFamilySettings.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 
 namespace blink {
 
-class CSSFontFace;
-class CSSFontFaceRule;
 class CSSFontSelectorClient;
-class CSSSegmentedFontFace;
 class Document;
 class FontDescription;
-class StyleRuleFontFace;
 
 class CSSFontSelector FINAL : public FontSelector {
 public:
     static PassRefPtrWillBeRawPtr<CSSFontSelector> create(Document* document)
     {
         return adoptRefWillBeNoop(new CSSFontSelector(document));
     }
     virtual ~CSSFontSelector();
 
     virtual unsigned version() const OVERRIDE { return m_fontFaceCache.version(); }
@@ skipping 38 matching lines @@
     FontFaceCache m_fontFaceCache;
     WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSFontSelectorClient> > m_clients;
 
     RefPtrWillBeMember<FontLoader> m_fontLoader;
     GenericFontFamilySettings m_genericFontFamilySettings;
 };
 
 } // namespace blink
 
 #endif // CSSFontSelector_h