Remove RenderLayerScrollableArea

sky/engine/core/rendering/RenderFlexibleBox.cpp

 /*
  * Copyright (C) 2011 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 211 matching lines @@
 
     bool relayoutChildren = updateLogicalWidthAndColumnWidth();
     LayoutUnit previousHeight = logicalHeight();
     setLogicalHeight(borderAndPaddingLogicalHeight());
 
     {
         LayoutState state(*this, locationOffset());
 
         m_numberOfInFlowChildrenOnFirstLine = -1;
 
-        RenderBlock::startDelayUpdateScrollInfo();
-
         prepareOrderIteratorAndMargins();
 
         ChildFrameRects oldChildRects;
         appendChildFrameRects(oldChildRects);
 
         layoutFlexItems(relayoutChildren);
 
-        RenderBlock::finishDelayUpdateScrollInfo();
-
         if (logicalHeight() != previousHeight)
             relayoutChildren = true;
 
         layoutPositionedObjects(relayoutChildren || isDocumentElement());
 
         // FIXME: css3/flexbox/repaint-rtl-column.html seems to issue paint invalidations for more overflow than it needs to.
         computeOverflow(clientLogicalBottomAfterRepositioning());
     }
 
     updateLayerTransformAfterLayout();
 
-    // Update our scroll information if we're overflow:auto/scroll/hidden now that we know if
-    // we overflow or not.
-    updateScrollInfoAfterLayout();
-
     clearNeedsLayout();
 }
 
 void RenderFlexibleBox::appendChildFrameRects(ChildFrameRects& childFrameRects)
 {
     for (RenderBox* child = m_orderIterator.first(); child; child = m_orderIterator.next()) {
         if (!child->isOutOfFlowPositioned())
             childFrameRects.append(child->frameRect());
     }
 }
@@ skipping 1024 matching lines @@
             ASSERT(child);
             LayoutUnit lineCrossAxisExtent = lineContexts[lineNumber].crossAxisExtent;
             LayoutUnit originalOffset = lineContexts[lineNumber].crossAxisOffset - crossAxisStartEdge;
             LayoutUnit newOffset = contentExtent - originalOffset - lineCrossAxisExtent;
             adjustAlignmentForChild(child, newOffset - originalOffset);
         }
     }
 }
 
 }