Introduce TerminatedArray<T> type to make data-structure used by RuleSet visible at the type level.

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 97 matching lines @@
     void sortAndTransferMatchedRules();
     void clearMatchedRules();
     void addElementStyleProperties(const StylePropertySet*, bool isCacheable = true);
 
     unsigned lastMatchedRulesPosition() const { return m_matchedRules ? m_matchedRules->size() : 0; }
     void sortMatchedRulesFrom(unsigned position);
     void sortAndTransferMatchedRulesWithOnlySortBySpecificity();
 
 private:
     void collectRuleIfMatches(const RuleData&, SelectorChecker::BehaviorAtBoundary, CascadeScope, CascadeOrder, const MatchRequest&, RuleRange&);
-    void collectMatchingRulesForList(const Vector<RuleData>*, SelectorChecker::BehaviorAtBoundary, CascadeScope, CascadeOrder, const MatchRequest&, RuleRange&);
-    void collectMatchingRulesForList(const RuleData*, SelectorChecker::BehaviorAtBoundary, CascadeScope, CascadeOrder, const MatchRequest&, RuleRange&);
+
+    template<typename RuleDataListType>
+    void collectMatchingRulesForList(const RuleDataListType* rules, SelectorChecker::BehaviorAtBoundary behaviorAtBoundary, CascadeScope cascadeScope, 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, behaviorAtBoundary, cascadeScope, cascadeOrder, matchRequest, ruleRange);
+    }
+
     bool ruleMatches(const RuleData&, const ContainerNode* scope, SelectorChecker::BehaviorAtBoundary, SelectorChecker::MatchResult*);
 
     CSSRuleList* nestedRuleList(CSSRule*);
     template<class CSSRuleCollection>
     CSSRule* findStyleRule(CSSRuleCollection*, StyleRule*);
     void appendCSSOMWrapperForRule(CSSStyleSheet*, StyleRule*);
 
     void sortMatchedRules();
     void addMatchedRule(const RuleData*, unsigned specificity, CascadeScope, CascadeOrder, unsigned styleSheetIndex, const CSSStyleSheet* parentStyleSheet);
 
@@ skipping 15 matching lines @@
 
     // Output.
     RefPtr<StaticCSSRuleList> m_cssRuleList;
     RefPtr<StyleRuleList> m_styleRuleList;
     MatchResult m_result;
 };
 
 } // namespace WebCore
 
 #endif // ElementRuleCollector_h