Remove SiblingRuleHelper

Source/core/dom/ElementRareData.h

 /*
  * Copyright (C) 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 David Smith <catfish.man@gmail.com>
  *
  * 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 30 matching lines @@
 class ElementRareData : public NodeRareData {
 public:
     static PassOwnPtr<ElementRareData> create(RenderObject* renderer) { return adoptPtr(new ElementRareData(renderer)); }
 
     ~ElementRareData();
 
     void setPseudoElement(PseudoId, PassRefPtr<PseudoElement>);
     PseudoElement* pseudoElement(PseudoId) const;
 
     void resetStyleState();
-    void resetDynamicRestyleObservations();
 
     short tabIndex() const { return m_tabindex; }
 
     void setTabIndexExplicitly(short index)
     {
         m_tabindex = index;
-        setFlag(TabIndexWasSetExplicitly, true);
+        setElementFlag(TabIndexWasSetExplicitly, true);
     }
 
     void clearTabIndexExplicitly()
     {
         m_tabindex = 0;
-        clearFlag(TabIndexWasSetExplicitly);
+        clearElementFlag(TabIndexWasSetExplicitly);
     }
 
     unsigned childIndex() const { return m_childIndex; }
     void setChildIndex(unsigned index) { m_childIndex = index; }
 
     CSSStyleDeclaration& ensureInlineCSSStyleDeclaration(Element* ownerElement);
 
     void clearShadow() { m_shadow = nullptr; }
     ElementShadow* shadow() const { return m_shadow.get(); }
     ElementShadow& ensureShadow()
@@ skipping 138 matching lines @@
         return m_generatedAfter.get();
     case BACKDROP:
         return m_backdrop.get();
     default:
         return 0;
     }
 }
 
 inline void ElementRareData::resetStyleState()
 {
-    clearFlag(StyleAffectedByEmpty);
+    clearElementFlag(StyleAffectedByEmpty);
     setChildIndex(0);
 }
 
-inline void ElementRareData::resetDynamicRestyleObservations()
-{
-    clearFlag(ChildrenAffectedByFocus);
-    clearFlag(ChildrenAffectedByHover);
-    clearFlag(ChildrenAffectedByActive);
-    clearFlag(ChildrenAffectedByDrag);
-    clearFlag(ChildrenAffectedByFirstChildRules);
-    clearFlag(ChildrenAffectedByLastChildRules);
-    clearFlag(ChildrenAffectedByDirectAdjacentRules);
-    clearFlag(ChildrenAffectedByIndirectAdjacentRules);
-    clearFlag(ChildrenAffectedByForwardPositionalRules);
-    clearFlag(ChildrenAffectedByBackwardPositionalRules);
-}
-
 } // namespace
 
 #endif // ElementRareData_h