Update PaintLayer size during layout, not after.

third_party/WebKit/Source/core/layout/svg/LayoutSVGRoot.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007, 2008, 2009 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * 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 189 matching lines @@
   overflow_.reset();
   AddVisualEffectOverflow();
 
   if (!ShouldApplyViewportClip()) {
     FloatRect content_visual_rect = VisualRectInLocalSVGCoordinates();
     content_visual_rect =
         local_to_border_box_transform_.MapRect(content_visual_rect);
     AddContentsVisualOverflow(EnclosingLayoutRect(content_visual_rect));
   }
 
-  UpdateLayerTransformAfterLayout();
+  UpdateAfterLayout();
   has_box_decoration_background_ = IsDocumentElement()
                                        ? StyleRef().HasBoxDecorationBackground()
                                        : HasBoxDecorationBackground();
   InvalidateBackgroundObscurationStatus();
 
   ClearNeedsLayout();
 }
 
 bool LayoutSVGRoot::ShouldApplyViewportClip() const {
   // the outermost svg is clipped if auto, and svg document roots are always
@@ skipping 265 matching lines @@
       if (result.AddNodeToListBasedTestResult(GetNode(), location_in_container,
                                               bounds_rect) == kStopHitTesting)
         return true;
     }
   }
 
   return false;
 }
 
 }  // namespace blink