Remove RenderLayerScrollableArea

sky/engine/core/rendering/RenderBox.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 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.
  *
@@ skipping 13 matching lines @@
 #define SKY_ENGINE_CORE_RENDERING_RENDERBOX_H_
 
 #include "sky/engine/core/rendering/RenderBoxModelObject.h"
 #include "sky/engine/core/rendering/RenderOverflow.h"
 #include "sky/engine/platform/scroll/ScrollTypes.h"
 
 namespace blink {
 
 struct PaintInfo;
 class RenderBlockFlow;
-class RenderLayerScrollableArea;
 
 enum SizeType { MainOrPreferredSize, MinSize, MaxSize };
 enum AvailableLogicalHeightType { ExcludeMarginBorderPadding, IncludeMarginBorderPadding };
 enum MarginDirection { BlockDirection, InlineDirection };
 
 enum ShouldComputePreferred { ComputeActual, ComputePreferred };
 
 enum ContentsClipBehavior { ForceContentsClip, SkipContentsClipIfPossible };
 
 enum ScrollOffsetClamping {
@@ skipping 346 matching lines @@
     virtual LayoutUnit availableLogicalWidth() const { return contentLogicalWidth(); }
     virtual LayoutUnit availableLogicalHeight(AvailableLogicalHeightType) const;
     LayoutUnit availableLogicalHeightUsing(const Length&, AvailableLogicalHeightType) const;
 
     // There are a few cases where we need to refer specifically to the available physical width and available physical height.
     // Relative positioning is one of those cases, since left/top offsets are physical.
     LayoutUnit availableWidth() const { return availableLogicalWidth(); }
     LayoutUnit availableHeight() const { return availableLogicalHeight(IncludeMarginBorderPadding); }
 
     virtual bool scroll(ScrollDirection, ScrollGranularity, float delta = 1);
-    bool canBeScrolledAndHasScrollableArea() const;
     virtual bool canBeProgramaticallyScrolled() const;
     virtual void autoscroll(const IntPoint&);
     bool autoscrollInProgress() const;
     bool canAutoscroll() const;
     IntSize calculateAutoscrollDirection(const IntPoint& windowPoint) const;
     static RenderBox* findAutoscrollable(RenderObject*);
     virtual void stopAutoscroll() { }
 
     bool hasAutoVerticalScrollbar() const { return hasOverflowClip() && (style()->overflowY() == OAUTO || style()->overflowY() == OOVERLAY); }
     bool hasAutoHorizontalScrollbar() const { return hasOverflowClip() && (style()->overflowX() == OAUTO || style()->overflowX() == OOVERLAY); }
@@ skipping 205 matching lines @@
         if (UNLIKELY(inlineBoxWrapper() != 0))
             deleteLineBoxWrapper();
     }
 
     ensureRareData().m_inlineBoxWrapper = boxWrapper;
 }
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDERBOX_H_