[SVG] SVGAnimatedRect migration to new SVG property impl.

Source/core/svg/SVGPathElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 358 matching lines @@
     invalidateSVGAttributes();
 
     RenderSVGPath* renderer = toRenderSVGPath(this->renderer());
     if (!renderer)
         return;
 
     renderer->setNeedsShapeUpdate();
     RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
 }
 
-SVGRect SVGPathElement::getBBox()
+FloatRect SVGPathElement::getBBox()
 {
     // By default, getBBox() returns objectBoundingBox but that will include
     // markers so we override it to return just the path's bounding rect.
 
     document().updateLayoutIgnorePendingStylesheets();
 
     // FIXME: Eventually we should support getBBox for detached elements.
     if (!renderer())
-        return SVGRect();
+        return FloatRect();
 
     RenderSVGPath* renderer = toRenderSVGPath(this->renderer());
     return renderer->path().boundingRect();
 }
 
 }