Remove scrollbar width/height computations from layout.

sky/engine/core/rendering/RenderBlockFlow.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 80 matching lines @@
 
 inline void RenderBlockFlow::layoutBlockFlow(bool relayoutChildren, SubtreeLayoutScope& layoutScope)
 {
     LayoutUnit oldLeft = logicalLeft();
     bool logicalWidthChanged = updateLogicalWidthAndColumnWidth();
     relayoutChildren |= logicalWidthChanged;
 
     LayoutState state(*this, locationOffset(), logicalWidthChanged);
 
     LayoutUnit beforeEdge = borderBefore() + paddingBefore();
-    LayoutUnit afterEdge = borderAfter() + paddingAfter() + scrollbarLogicalHeight();
+    LayoutUnit afterEdge = borderAfter() + paddingAfter();
     LayoutUnit previousHeight = logicalHeight();
     setLogicalHeight(beforeEdge);
 
     m_paintInvalidationLogicalTop = 0;
     m_paintInvalidationLogicalBottom = 0;
     if (!firstChild() && !isAnonymousBlock())
         setChildrenInline(true);
 
     if (childrenInline())
         layoutInlineChildren(relayoutChildren, m_paintInvalidationLogicalTop, m_paintInvalidationLogicalBottom, afterEdge);
     else
         layoutBlockChildren(relayoutChildren, layoutScope, beforeEdge, afterEdge);
 
     LayoutUnit oldClientAfterEdge = clientLogicalBottom();
 
     updateLogicalHeight();
 
     if (previousHeight != logicalHeight())
         relayoutChildren = true;
 
     layoutPositionedObjects(relayoutChildren || isDocumentElement(), oldLeft != logicalLeft() ? ForcedLayoutAfterContainingBlockMoved : DefaultLayout);
 
     // Add overflow from children (unless we're multi-column, since in that case all our child overflow is clipped anyway).
     computeOverflow(oldClientAfterEdge);
 }
 
 void RenderBlockFlow::determineLogicalLeftPositionForChild(RenderBox* child)
 {
     LayoutUnit startPosition = borderStart() + paddingStart();
-    if (style()->shouldPlaceBlockDirectionScrollbarOnLogicalLeft())
-        startPosition -= verticalScrollbarWidth();
     LayoutUnit totalAvailableLogicalWidth = borderAndPaddingLogicalWidth() + availableLogicalWidth();
 
     LayoutUnit childMarginStart = marginStartForChild(child);
     LayoutUnit newPosition = startPosition + childMarginStart;
 
     // If the child has an offset from the content edge to avoid floats then use that, otherwise let any negative
     // margin pull it back over the content edge or any positive margin push it out.
     if (child->style()->marginStartUsing(style()).isAuto())
         newPosition = std::max(newPosition, childMarginStart);
 
@@ skipping 206 matching lines @@
     }
     return logicalRight;
 }
 
 RootInlineBox* RenderBlockFlow::createRootInlineBox()
 {
     return new RootInlineBox(*this);
 }
 
 } // namespace blink