[SVG] SVGAnimatedRect migration to new SVG property impl.

Source/core/rendering/svg/RenderSVGResourceMarker.cpp

 /*
  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 124 matching lines @@
     return transform;
 }
 
 void RenderSVGResourceMarker::draw(PaintInfo& paintInfo, const AffineTransform& transform)
 {
     clearInvalidationMask();
 
     // An empty viewBox disables rendering.
     SVGMarkerElement* marker = toSVGMarkerElement(element());
     ASSERT(marker);
-    if (marker->hasAttribute(SVGNames::viewBoxAttr) && marker->viewBoxCurrentValue().isValid() && marker->viewBoxCurrentValue().isEmpty())
+    if (marker->hasAttribute(SVGNames::viewBoxAttr) && marker->viewBox()->currentValue()->isValid() && marker->viewBox()->currentValue()->value().isEmpty())
         return;
 
     PaintInfo info(paintInfo);
     GraphicsContextStateSaver stateSaver(*info.context);
     info.applyTransform(transform);
     RenderSVGContainer::paint(info, IntPoint());
 }
 
 AffineTransform RenderSVGResourceMarker::markerContentTransformation(const AffineTransform& contentTransformation, const FloatPoint& origin, float strokeWidth) const
 {
@@ skipping 24 matching lines @@
     SVGMarkerElement* marker = toSVGMarkerElement(element());
     ASSERT(marker);
 
     SVGLengthContext lengthContext(marker);
     float w = marker->markerWidth()->currentValue()->value(lengthContext);
     float h = marker->markerHeight()->currentValue()->value(lengthContext);
     m_viewport = FloatRect(0, 0, w, h);
 }
 
 }