Update PaintLayer size during layout, not after.

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

 /*
  * This file is part of the layout object implementation for KHTML.
  *
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003 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
@@ skipping 385 matching lines @@
     UpdateLogicalHeight();
 
     if (previous_size.Height() != Size().Height())
       relayout_children = true;
 
     LayoutPositionedObjects(relayout_children || IsDocumentElement());
 
     ComputeOverflow(old_client_after_edge);
   }
 
-  UpdateLayerTransformAfterLayout();
   UpdateAfterLayout();
 
   ClearNeedsLayout();
 }
 
 // The first walk over our kids is to find out if we have any flexible children.
 static void GatherFlexChildrenInfo(FlexBoxIterator& iterator,
                                    bool relayout_children,
                                    unsigned& highest_flex_group,
                                    unsigned& lowest_flex_group,
@@ skipping 860 matching lines @@
   if (min_height.IsFixed() || min_height.IsAuto()) {
     LayoutUnit min_height(child->Style()->MinHeight().Value());
     LayoutUnit height = ContentHeightForChild(child);
     LayoutUnit allowed_shrinkage = (min_height - height).ClampPositiveToZero();
     return allowed_shrinkage;
   }
   return LayoutUnit();
 }
 
 }  // namespace blink