Setup parent stylesheet for tree boundary crossing rules.

Source/core/css/TreeBoundaryCrossingRules.h

Index: Source/core/css/TreeBoundaryCrossingRules.h
diff --git a/Source/core/css/TreeBoundaryCrossingRules.h b/Source/core/css/TreeBoundaryCrossingRules.h
index 9e391e228ffb98ab9677f85f0f6bdb591033258f..3cc1479d743aaa0170df751c8c02934db8891946 100644
--- a/Source/core/css/TreeBoundaryCrossingRules.h
+++ b/Source/core/css/TreeBoundaryCrossingRules.h
@@ -33,24 +33,25 @@
 namespace WebCore {
 
 class ContainerNode;
+class ElementRuleCollector;
 class RuleFeatureSet;
 
 class TreeBoundaryCrossingRules {
 public:
-    void addRule(StyleRule*, size_t selectorIndex, ContainerNode* scopingNode, AddRuleFlags);
-    void clear() { m_treeBoundaryCrossingRuleSetMap.clear(); }
+    void addRule(StyleRule*, size_t selectorIndex, ContainerNode* scopingNode, CSSStyleSheet* parentStyleSheet, AddRuleFlags);
     void reset(const ContainerNode* scopingNode);
-    bool isEmpty() const { return m_treeBoundaryCrossingRuleSetMap.isEmpty(); }
     void collectFeaturesTo(RuleFeatureSet&);
+    void collectTreeBoundaryCrossingRules(Element*, ElementRuleCollector&, bool includeEmptyRules);
 
-    DocumentOrderedList::iterator begin() { return m_scopingNodes.begin(); }
-    DocumentOrderedList::iterator end() { return m_scopingNodes.end(); }
+private:
+    typedef HashMap<const CSSStyleSheet*, OwnPtrWillBeMember<RuleSet> > CSSStyleSheetRuleSubSet;

[vsevik, 2014/03/26 08:33:44]

Can we use Vector of pairs instead? This should be faster/simpler.

[lushnikov, 2014/03/26 14:04:36]

Done.

     size_t size() const { return m_scopingNodes.size(); }
-    RuleSet* ruleSetScopedBy(const ContainerNode* scopingNode) { return m_treeBoundaryCrossingRuleSetMap.get(scopingNode); }
+    void collectFeaturesFromStyleSheetSubSet(TreeBoundaryCrossingRules::CSSStyleSheetRuleSubSet* styleSheetSubSet, RuleFeatureSet& features);
 
-private:
+    typedef ListHashSet<CSSStyleSheet*> CSSStyleSheetOrder;
+    WillBePersistentHeapHashMap<const ContainerNode*, OwnPtrWillBeMember<CSSStyleSheetOrder> > m_styleSheetsOrder;
     DocumentOrderedList m_scopingNodes;
-    typedef WillBePersistentHeapHashMap<const ContainerNode*, OwnPtrWillBeMember<RuleSet> > TreeBoundaryCrossingRuleSetMap;
+    typedef WillBePersistentHeapHashMap<const ContainerNode*, OwnPtrWillBeMember<CSSStyleSheetRuleSubSet> > TreeBoundaryCrossingRuleSetMap;
     TreeBoundaryCrossingRuleSetMap m_treeBoundaryCrossingRuleSetMap;
 };