Get rid of TreeBoundaryCrossingRules.

Source/core/css/resolver/StyleResolver.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 11 matching lines @@
 #ifndef StyleResolver_h
 #define StyleResolver_h
 
 #include "core/animation/PropertyHandle.h"
 #include "core/css/ElementRuleCollector.h"
 #include "core/css/PseudoStyleRequest.h"
 #include "core/css/RuleFeature.h"
 #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"
 #include "core/css/resolver/StyleResourceLoader.h"
 #include "core/style/AuthorStyleInfo.h"
 #include "core/style/CachedUAStyle.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Deque.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
@@ skipping 139 matching lines @@
     unsigned accessCount() const { return m_accessCount; }
     void didAccess() { ++m_accessCount; }
 
     void increaseStyleSharingDepth() { ++m_styleSharingDepth; }
     void decreaseStyleSharingDepth() { --m_styleSharingDepth; }
 
     PassRefPtrWillBeRawPtr<PseudoElement> createPseudoElementIfNeeded(Element& parent, PseudoId);
 
     DECLARE_TRACE();
 
-    void addTreeBoundaryCrossingScope(ContainerNode& scope);
-
 private:
     PassRefPtr<ComputedStyle> initialStyleForElement();
 
     void initWatchedSelectorRules(const WillBeHeapVector<RefPtrWillBeMember<StyleRule>>& watchedSelectors);
 
     // FIXME: This should probably go away, folded into FontBuilder.
     void updateFont(StyleResolverState&);
 
     static AuthorStyleInfo authorStyleInfo(StyleResolverState&);
 
@@ skipping 56 matching lines @@
     OwnPtrWillBeMember<ViewportStyleResolver> m_viewportStyleResolver;
 
     WillBeHeapListHashSet<RawPtrWillBeMember<CSSStyleSheet>, 16> m_pendingStyleSheets;
 
     // FIXME: The entire logic of collecting features on StyleResolver, as well as transferring them
     // between various parts of machinery smells wrong. This needs to be better somehow.
     RuleFeatureSet m_features;
     OwnPtrWillBeMember<RuleSet> m_siblingRuleSet;
     OwnPtrWillBeMember<RuleSet> m_uncommonAttributeRuleSet;
     OwnPtrWillBeMember<RuleSet> m_watchedSelectorsRules;
-    TreeBoundaryCrossingRules m_treeBoundaryCrossingRules;
 
     bool m_needCollectFeatures;
     bool m_printMediaType;
 
     StyleResourceLoader m_styleResourceLoader;
 
     unsigned m_styleSharingDepth;
     WillBeHeapVector<OwnPtrWillBeMember<StyleSharingList>, styleSharingMaxDepth> m_styleSharingLists;
 
     OwnPtr<StyleResolverStats> m_styleResolverStats;
     OwnPtr<StyleResolverStats> m_styleResolverStatsTotals;
     unsigned m_styleResolverStatsSequence;
 
     // Use only for Internals::updateStyleAndReturnAffectedElementCount.
     unsigned m_accessCount;
 };
 
 } // namespace blink
 
 #endif // StyleResolver_h