Get rid of TreeBoundaryCrossingRules.

Source/core/css/resolver/StyleResolver.h

Index: Source/core/css/resolver/StyleResolver.h
diff --git a/Source/core/css/resolver/StyleResolver.h b/Source/core/css/resolver/StyleResolver.h
index 46a98cbef7a6dbca83f1b82eb944c099fb17678f..e6e718190158ca9b616219445fb17c723c305b7f 100644
--- a/Source/core/css/resolver/StyleResolver.h
+++ b/Source/core/css/resolver/StyleResolver.h
@@ -29,7 +29,6 @@
 #include "core/css/RuleSet.h"
 #include "core/css/SelectorChecker.h"
 #include "core/css/SelectorFilter.h"
-#include "core/css/TreeBoundaryCrossingRules.h"
 #include "core/css/resolver/CSSPropertyPriority.h"
 #include "core/css/resolver/MatchedPropertiesCache.h"
 #include "core/css/resolver/StyleBuilder.h"
@@ -185,8 +184,6 @@ public:
 
     DECLARE_TRACE();
 
-    void addTreeBoundaryCrossingScope(ContainerNode& scope);
-
 private:
     PassRefPtr<ComputedStyle> initialStyleForElement();
 
@@ -206,7 +203,9 @@ private:
     void collectPseudoRulesForElement(Element*, ElementRuleCollector&, PseudoId, unsigned rulesToInclude);
     void matchRuleSet(ElementRuleCollector&, RuleSet*);
     void matchUARules(ElementRuleCollector&);
-    void matchAuthorRules(Element*, ElementRuleCollector&, bool includeEmptyRules);
+    void matchAuthorRules(const Element&, ElementRuleCollector&, bool includeEmptyRules);
+    void matchHostRules(const Element&, ElementRuleCollector&, bool includeEmptyRules);
+    void matchScopedRules(const Element&, ElementRuleCollector&, bool includeEmptyRules);
     void matchAllRules(StyleResolverState&, ElementRuleCollector&, bool includeSMILProperties);
     void collectFeatures();
     void resetRuleFeatures();
@@ -218,7 +217,7 @@ private:
     void applyCallbackSelectors(StyleResolverState&);
 
     template <CSSPropertyPriority priority>
-    void applyMatchedProperties(StyleResolverState&, const MatchResult&, bool important, unsigned startIndex, unsigned endIndex, bool inheritedOnly);
+    void applyMatchedProperties(StyleResolverState&, const MatchedPropertiesRange&, bool important, bool inheritedOnly);
     template <CSSPropertyPriority priority>
     void applyProperties(StyleResolverState&, const StylePropertySet* properties, bool isImportant, bool inheritedOnly, PropertyWhitelistType = PropertyWhitelistNone);
     template <CSSPropertyPriority priority>
@@ -263,7 +262,6 @@ private:
     OwnPtrWillBeMember<RuleSet> m_siblingRuleSet;
     OwnPtrWillBeMember<RuleSet> m_uncommonAttributeRuleSet;
     OwnPtrWillBeMember<RuleSet> m_watchedSelectorsRules;
-    TreeBoundaryCrossingRules m_treeBoundaryCrossingRules;
 
     bool m_needCollectFeatures;
     bool m_printMediaType;