Minor cleanups to includes and fwd decls in core/css/resolver

Source/core/css/resolver/StyleResolverState.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.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 11 matching lines @@
 #ifndef StyleResolverState_h
 #define StyleResolverState_h
 
 #include "CSSPropertyNames.h"
 
 #include "core/css/CSSSVGDocumentValue.h"
 #include "core/css/CSSToStyleMap.h"
 #include "core/css/resolver/ElementStyleResources.h"
 #include "core/css/resolver/FontBuilder.h"
 #include "core/dom/Element.h"
-#include "core/platform/graphics/Color.h"
 #include "core/rendering/style/CachedUAStyle.h"
 #include "core/rendering/style/RenderStyle.h"
 #include "core/rendering/style/StyleInheritedData.h"
-#include "wtf/HashMap.h"
 
 namespace WebCore {
 
 class FontDescription;
 class RenderRegion;
 
 // ElementResolveContext is immutable and serves as an input to the style resolve process.
 class ElementResolveContext {
 public:
     ElementResolveContext()
@@ skipping 149 matching lines @@
 
     ElementStyleResources m_elementStyleResources;
     // CSSToStyleMap is a pure-logic class and only contains
     // a back-pointer to this object.
     CSSToStyleMap m_styleMap;
 };
 
 } // namespace WebCore
 
 #endif // StyleResolverState_h