Remove more scrolling code from Sky

sky/engine/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 57 matching lines @@
         return *m_shadow;
     }
 
     RenderStyle* computedStyle() const { return m_computedStyle.get(); }
     void setComputedStyle(PassRefPtr<RenderStyle> computedStyle) { m_computedStyle = computedStyle; }
     void clearComputedStyle() { m_computedStyle = nullptr; }
 
     DOMTokenList* classList() const { return m_classList.get(); }
     void setClassList(PassOwnPtr<DOMTokenList> classList) { m_classList = classList; }
 
-    IntSize savedLayerScrollOffset() const { return m_savedLayerScrollOffset; }
-    void setSavedLayerScrollOffset(IntSize size) { m_savedLayerScrollOffset = size; }
-
     ActiveAnimations* activeAnimations() { return m_activeAnimations.get(); }
     void setActiveAnimations(PassOwnPtr<ActiveAnimations> activeAnimations)
     {
         m_activeAnimations = activeAnimations;
     }
 
 private:
     unsigned m_tabindex : 16;
     unsigned m_hasTabIndex : 1;
 
-    IntSize m_savedLayerScrollOffset;
-
     OwnPtr<DOMTokenList> m_classList;
     OwnPtr<ElementShadow> m_shadow;
     OwnPtr<ActiveAnimations> m_activeAnimations;
     OwnPtr<InlineCSSStyleDeclaration> m_cssomWrapper;
 
     RefPtr<RenderStyle> m_computedStyle;
 
     explicit ElementRareData(RenderObject*);
 };
 
 inline ElementRareData::ElementRareData(RenderObject* renderer)
     : NodeRareData(renderer)
     , m_tabindex(0)
     , m_hasTabIndex(false)
 {
     m_isElementRareData = true;
 }
 
 inline ElementRareData::~ElementRareData()
 {
 #if !ENABLE(OILPAN)
     ASSERT(!m_shadow);
 #endif
 }
 
 } // namespace
 
 #endif  // SKY_ENGINE_CORE_DOM_ELEMENTRAREDATA_H_