Update PaintLayer size during layout, not after.

third_party/WebKit/Source/core/layout/LayoutBlockFlow.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 466 matching lines @@
   PositionedLayoutBehavior behavior = kDefaultLayout;
   if (old_left != LogicalLeft())
     behavior = kForcedLayoutAfterContainingBlockMoved;
   LayoutPositionedObjects(relayout_children, behavior);
 
   // Add overflow from children.
   ComputeOverflow(unconstrained_client_after_edge);
 
   descendants_with_floats_marked_for_layout_ = false;
 
-  UpdateLayerTransformAfterLayout();
-
   UpdateAfterLayout();
 
   if (isHTMLDialogElement(GetNode()) && IsOutOfFlowPositioned())
     PositionDialog();
 
   ClearNeedsLayout();
   UpdateIsSelfCollapsing();
 }
 
 DISABLE_CFI_PERF
@@ skipping 4156 matching lines @@
   return LayoutBlock::InvalidatePaintIfNeeded(paint_invalidation_state);
 }
 
 void LayoutBlockFlow::InvalidateDisplayItemClients(
     PaintInvalidationReason invalidation_reason) const {
   BlockFlowPaintInvalidator(*this).InvalidateDisplayItemClients(
       invalidation_reason);
 }
 
 }  // namespace blink