Remove RenderLayerScrollableArea

sky/engine/core/rendering/RenderBlock.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 216 matching lines @@
 
     virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
     virtual void computePreferredLogicalWidths() override;
 
     virtual int firstLineBoxBaseline() const override;
     virtual int inlineBlockBaseline(LineDirectionMode) const override;
     virtual int lastLineBoxBaseline(LineDirectionMode) const;
 
     virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&) override;
 
-    // Delay update scrollbar until finishDelayUpdateScrollInfo() will be
-    // called. This function is used when a flexbox is laying out its
-    // descendant. If multiple calls are made to startDelayUpdateScrollInfo(),
-    // finishDelayUpdateScrollInfo() will do nothing until finishDelayUpdateScrollInfo()
-    // is called the same number of times.
-    static void startDelayUpdateScrollInfo();
-    static void finishDelayUpdateScrollInfo();
-
-    void updateScrollInfoAfterLayout();
-
     virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle) override;
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
 
     virtual bool hasLineIfEmpty() const;
 
     bool simplifiedLayout();
     virtual void simplifiedNormalFlowLayout();
 
 public:
     virtual void computeOverflow(LayoutUnit oldClientAfterEdge, bool = false);
@@ skipping 83 matching lines @@
     // member variables out of RenderBlock and into RenderBlockFlow.
     friend class RenderBlockFlow;
     friend class RenderParagraph;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderBlock, isRenderBlock());
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDERBLOCK_H_