Backend for css rule tracking

third_party/WebKit/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.
  *
@@ skipping 22 matching lines @@
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class CSSStyleSheet;
 class CSSRuleList;
 class RuleData;
 class RuleSet;
 class SelectorFilter;
 class StaticCSSRuleList;
+class StyleRuleUsageTracker;
 
 // TODO(kochi): CascadeOrder is used only for Shadow DOM V0 bug-compatible
 // cascading order. Once Shadow DOM V0 implementation is gone, remove this
 // completely.
 using CascadeOrder = unsigned;
 const CascadeOrder ignoreCascadeOrder = 0;
 
 class MatchedRule {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
@@ skipping 83 matching lines @@
   void finishAddingUARules() { m_result.finishAddingUARules(); }
   void finishAddingAuthorRulesForTreeScope() {
     m_result.finishAddingAuthorRulesForTreeScope();
   }
   void setIncludeEmptyRules(bool include) { m_includeEmptyRules = include; }
   bool includeEmptyRules() const { return m_includeEmptyRules; }
   bool isCollectingForPseudoElement() const {
     return m_pseudoStyleRequest.pseudoId != PseudoIdNone;
   }
 
+  void addMatchedRulesToTracker(StyleRuleUsageTracker*) const;
+
  private:
   template <typename RuleDataListType>
   void collectMatchingRulesForList(const RuleDataListType*,
                                    CascadeOrder,
                                    const MatchRequest&);
 
   void didMatchRule(const RuleData&,
                     const SelectorChecker::MatchResult&,
                     CascadeOrder,
                     const MatchRequest&);
@@ skipping 23 matching lines @@
 
   // Output.
   Member<StaticCSSRuleList> m_cssRuleList;
   Member<StyleRuleList> m_styleRuleList;
   MatchResult m_result;
 };
 
 }  // namespace blink
 
 #endif  // ElementRuleCollector_h