Update PaintLayer size during layout, not after.

third_party/WebKit/Source/core/layout/LayoutFrameSet.cpp

 /**
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * 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 363 matching lines @@
              (Size().Height() - (rows - 1) * border_thickness).ToInt());
   LayOutAxis(cols_, FrameSet()->ColLengths(),
              (Size().Width() - (cols - 1) * border_thickness).ToInt());
 
   PositionFrames();
 
   LayoutBox::UpdateLayout();
 
   ComputeEdgeInfo();
 
-  UpdateLayerTransformAfterLayout();
+  UpdateAfterLayout();
 
   ClearNeedsLayout();
 }
 
 static void ClearNeedsLayoutOnHiddenFrames(LayoutBox* frame) {
   for (; frame; frame = frame->NextSiblingBox()) {
     frame->SetWidth(LayoutUnit());
     frame->SetHeight(LayoutUnit());
     frame->ClearNeedsLayout();
     ClearNeedsLayoutOnHiddenFrames(frame->FirstChildBox());
@@ skipping 178 matching lines @@
     return kSetCursor;
   }
   if (CanResizeColumn(rounded_point)) {
     cursor = ColumnResizeCursor();
     return kSetCursor;
   }
   return LayoutBox::GetCursor(point, cursor);
 }
 
 }  // namespace blink