Remove OverlayScrollbarSizeRelevancy.

sky/engine/core/rendering/RenderBlock.cpp

 /*
  * 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, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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
@@ skipping 2020 matching lines @@
     }
 
     // If we have clipping, then we can't have any spillout.
     bool useOverflowClip = hasOverflowClip() && !hasSelfPaintingLayer();
     bool useClip = (hasControlClip() || useOverflowClip);
     bool checkChildren = !useClip;
     if (!checkChildren) {
         if (hasControlClip()) {
             checkChildren = locationInContainer.intersects(controlClipRect(adjustedLocation));
         } else {
-            LayoutRect clipRect = overflowClipRect(adjustedLocation, IncludeOverlayScrollbarSize);
+            LayoutRect clipRect = overflowClipRect(adjustedLocation);
             if (style()->hasBorderRadius())
                 checkChildren = locationInContainer.intersects(style()->getRoundedBorderFor(clipRect));
             else
                 checkChildren = locationInContainer.intersects(clipRect);
         }
     }
     if (checkChildren) {
         // Hit test descendants first.
         LayoutSize scrolledOffset(localOffset);
         if (hasOverflowClip())
@@ skipping 887 matching lines @@
 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const RenderObject* obj) const
 {
     showRenderObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink