[SVG] SVGAnimatedRect migration to new SVG property impl.

Source/core/rendering/svg/RenderSVGRoot.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 74 matching lines @@
             intrinsicSize.setHeight(floatValueForLength(intrinsicHeightAttribute, 0));
         if (!intrinsicSize.isEmpty())
             intrinsicRatio = intrinsicSize.width() / static_cast<double>(intrinsicSize.height());
         return;
     }
 
     // - If either/both of the ‘width’ and ‘height’ of the rootmost ‘svg’ element are in percentage units (or omitted), the
     //   aspect ratio is calculated from the width and height values of the ‘viewBox’ specified for the current SVG document
     //   fragment. If the ‘viewBox’ is not correctly specified, or set to 'none', the intrinsic aspect ratio cannot be
     //   calculated and is considered unspecified.
-    intrinsicSize = svg->viewBoxCurrentValue().size();
+    intrinsicSize = svg->viewBox()->currentValue()->value().size();
     if (!intrinsicSize.isEmpty()) {
         // The viewBox can only yield an intrinsic ratio, not an intrinsic size.
         intrinsicRatio = intrinsicSize.width() / static_cast<double>(intrinsicSize.height());
         intrinsicSize = FloatSize();
         return;
     }
 
     // If our intrinsic size is in percentage units, return those to the caller through the intrinsicSize. Notify the caller
     // about the special situation, by setting isPercentageIntrinsicSize=true, so it knows how to interpret the return values.
     if (intrinsicWidthAttribute.isPercent() && intrinsicHeightAttribute.isPercent()) {
@@ skipping 332 matching lines @@
 
 bool RenderSVGRoot::hasRelativeLogicalHeight() const
 {
     SVGSVGElement* svg = toSVGSVGElement(node());
     ASSERT(svg);
 
     return svg->intrinsicHeight(SVGSVGElement::IgnoreCSSProperties).isPercent();
 }
 
 }