Replace RenderArena with PartitionAlloc

Source/core/svg/SVGGraphicsElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 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 145 matching lines @@
 }
 
 SVGRect SVGGraphicsElement::getBBox(StyleUpdateStrategy styleUpdateStrategy)
 {
     return SVGTransformable::getBBox(this, styleUpdateStrategy);
 }
 
 RenderObject* SVGGraphicsElement::createRenderer(RenderStyle*)
 {
     // By default, any subclass is expected to do path-based drawing
-    return new (document()->renderArena()) RenderSVGPath(this);
+    return new RenderSVGPath(this);
 }
 
 void SVGGraphicsElement::toClipPath(Path& path)
 {
     updatePathFromGraphicsElement(this, path);
     // FIXME: How do we know the element has done a layout?
     path.transform(animatedLocalTransform());
 }
 
 }