RuleSet should use malloc rather than Vector

Source/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 59 matching lines @@
 
     void collectMatchingRules(const MatchRequest&, StyleResolver::RuleRange&);
     void collectMatchingRulesForRegion(const MatchRequest&, StyleResolver::RuleRange&);
     void sortAndTransferMatchedRules();
     void clearMatchedRules();
     void addElementStyleProperties(const StylePropertySet*, bool isCacheable = true);
 
 private:
     Document* document() { return m_state.document(); }
 
+    void collectRuleIfMatches(const RuleData&, const MatchRequest&, StyleResolver::RuleRange&);
     void collectMatchingRulesForList(const Vector<RuleData>*, const MatchRequest&, StyleResolver::RuleRange&);
+    void collectMatchingRulesForList(const RuleData*, const MatchRequest&, StyleResolver::RuleRange&);
     bool ruleMatches(const RuleData&, const ContainerNode* scope, PseudoId&);
 
     void sortMatchedRules();
 
     void addMatchedRule(const RuleData*);
 
     StaticCSSRuleList* ensureRuleList();
         
 private:
     const StyleResolverState& m_state;
@@ skipping 11 matching lines @@
     OwnPtr<Vector<const RuleData*, 32> > m_matchedRules;
 
     // Output.
     RefPtr<StaticCSSRuleList> m_ruleList;
     StyleResolver::MatchResult m_result;
 };
 
 } // namespace WebCore
 
 #endif // ElementRuleCollector_h