blink: Cleanup class/struct forward declarations

third_party/WebKit/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.
  *
@@ skipping 33 matching lines @@
 namespace blink {
 
 class AnimatableValue;
 class CSSRuleList;
 class CSSStyleSheet;
 class CSSValue;
 class Document;
 class Element;
 class Interpolation;
 class MatchResult;
-class MediaQueryEvaluator;
 class RuleSet;
 class StylePropertySet;
-class StyleRule;
 class StyleRuleUsageTracker;
 
 enum StyleSharingBehavior {
   AllowStyleSharing,
   DisallowStyleSharing,
 };
 
 enum RuleMatchingBehavior { MatchAllRules, MatchAllRulesExcludingSMIL };
 
 const unsigned styleSharingListSize = 15;
@@ skipping 215 matching lines @@
   bool m_printMediaType = false;
 
   unsigned m_styleSharingDepth = 0;
   HeapVector<Member<StyleSharingList>, styleSharingMaxDepth>
       m_styleSharingLists;
 };
 
 }  // namespace blink
 
 #endif  // StyleResolver_h