blink: Cleanup class/struct forward declarations

third_party/WebKit/Source/core/css/resolver/FontBuilder.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 16 matching lines @@
 #include "core/CSSValueKeywords.h"
 #include "core/CoreExport.h"
 #include "core/css/FontSize.h"
 #include "platform/fonts/FontDescription.h"
 #include "platform/fonts/FontVariantNumeric.h"
 #include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 
 namespace blink {
 
-class CSSValue;
 class FontSelector;
 class ComputedStyle;
 
 class CORE_EXPORT FontBuilder {
   STACK_ALLOCATED();
   WTF_MAKE_NONCOPYABLE(FontBuilder);
 
  public:
   FontBuilder(const Document&);
 
@@ skipping 107 matching lines @@
   bool isSet(PropertySetFlag flag) const {
     return m_flags & (1 << unsigned(flag));
   }
 
   unsigned m_flags;
 };
 
 }  // namespace blink
 
 #endif