Don't scope check in SelectorChecker.

sky/engine/core/css/ElementRuleCollector.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 74 matching lines @@
 // Create one, ask what rules the ElementResolveContext matches
 // and then let it go out of scope.
 // FIXME: Currently it modifies the RenderStyle but should not!
 class ElementRuleCollector {
     STACK_ALLOCATED();
     WTF_MAKE_NONCOPYABLE(ElementRuleCollector);
 public:
     ElementRuleCollector(const ElementResolveContext&, RenderStyle* = 0);
     ~ElementRuleCollector();
 
-    void setMatchingUARules(bool matchingUARules) { m_matchingUARules = matchingUARules; }
-
     MatchResult& matchedResult();
 
     void collectMatchingRules(const MatchRequest&, RuleRange&, CascadeOrder = ignoreCascadeOrder);
+    void collectMatchingHostRules(const MatchRequest&, RuleRange&, CascadeOrder cascadeOrder = ignoreCascadeOrder);
     void sortAndTransferMatchedRules();
     void clearMatchedRules();
     void addElementStyleProperties(const StylePropertySet*, bool isCacheable = true);
 
 private:
     void collectRuleIfMatches(const RuleData&, CascadeOrder, const MatchRequest&, RuleRange&);
 
     template<typename RuleDataListType>
     void collectMatchingRulesForList(const RuleDataListType* rules, CascadeOrder cascadeOrder, const MatchRequest& matchRequest, RuleRange& ruleRange)
     {
         if (!rules)
             return;
 
         for (typename RuleDataListType::const_iterator it = rules->begin(), end = rules->end(); it != end; ++it)
             collectRuleIfMatches(*it, cascadeOrder, matchRequest, ruleRange);
     }
 
-    bool ruleMatches(const RuleData&, const ContainerNode* scope);
+    bool ruleMatches(const RuleData&);
 
     void sortMatchedRules();
     void addMatchedRule(const RuleData*, CascadeOrder, unsigned styleSheetIndex, const CSSStyleSheet* parentStyleSheet);
 
 private:
     const ElementResolveContext& m_context;
     RefPtr<RenderStyle> m_style; // FIXME: This can be mutated during matching!
 
-    bool m_matchingUARules;
-
     OwnPtr<Vector<MatchedRule, 32> > m_matchedRules;
 
     // Output.
     MatchResult m_result;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_CSS_ELEMENTRULECOLLECTOR_H_