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

Source/core/css/resolver/StyleResolver.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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef StyleResolver_h
 #define StyleResolver_h
 
-#include "RuntimeEnabledFeatures.h"
-#include "core/css/CSSRuleList.h"
-#include "core/css/CSSToStyleMap.h"
 #include "core/css/DocumentRuleSets.h"
 #include "core/css/InspectorCSSOMWrappers.h"
 #include "core/css/PseudoStyleRequest.h"
 #include "core/css/RuleFeature.h"
 #include "core/css/RuleSet.h"
 #include "core/css/SelectorChecker.h"
 #include "core/css/SelectorFilter.h"
 #include "core/css/SiblingTraversalStrategies.h"
 #include "core/css/resolver/MatchedPropertiesCache.h"
 #include "core/css/resolver/ScopedStyleResolver.h"
 #include "core/css/resolver/StyleBuilder.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/css/resolver/StyleResourceLoader.h"
-#include "core/css/resolver/ViewportStyleResolver.h"
-#include "core/rendering/style/RenderStyle.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
-class CSSCursorImageValue;
 class CSSFontSelector;
-class CSSImageGeneratorValue;
-class CSSImageSetValue;
-class CSSImageValue;
-class CSSPageRule;
-class CSSPrimitiveValue;
-class CSSProperty;
 class CSSRuleList;
 class CSSSelector;
 class CSSStyleSheet;
 class CSSValue;
 class ContainerNode;
 class Document;
 class Element;
 class ElementRuleCollector;
-class Frame;
-class FrameView;
 class KeyframeList;
 class KeyframeValue;
 class MediaQueryEvaluator;
 class MediaQueryExp;
 class MediaQueryResult;
-class Node;
 class RenderRegion;
 class RuleData;
-class RuleSet;
 class Settings;
-class StyleImage;
 class StyleKeyframe;
-class StylePendingImage;
 class StylePropertySet;
 class StyleRule;
-class StyleRuleHost;
 class StyleRuleKeyframes;
 class StyleRulePage;
-class StyleRuleRegion;
-class StyleShader;
-class StyleSheet;
-class StyleSheetList;
+class ViewportStyleResolver;
 
 struct MatchResult;
 
 enum StyleSharingBehavior {
     AllowStyleSharing,
     DisallowStyleSharing,
 };
 
 // MatchOnlyUserAgentRules is used in media queries, where relative units
 // are interpreted according to the document root element style, and styled only
@@ skipping 241 matching lines @@
         PseudoId ignoreDynamicPseudo = NOPSEUDO;
         if (selectorChecker.match(selectorCheckingContext, ignoreDynamicPseudo, DOMSiblingTraversalStrategy()) == SelectorChecker::SelectorMatches)
             return true;
     }
     return false;
 }
 
 } // namespace WebCore
 
 #endif // StyleResolver_h