Replace RenderArena with PartitionAlloc.

Source/core/svg/SVGImageElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Alexander Kellett <lypanov@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.
  *
@@ skipping 169 matching lines @@
 }
 
 bool SVGImageElement::selfHasRelativeLengths() const
 {
     return x().isRelative()
         || y().isRelative()
         || width().isRelative()
         || height().isRelative();
 }
 
-RenderObject* SVGImageElement::createRenderer(RenderArena* arena, RenderStyle*)
+RenderObject* SVGImageElement::createRenderer(RenderStyle*)
 {
-    return new (arena) RenderSVGImage(this);
+    return new RenderSVGImage(this);
 }
 
 bool SVGImageElement::haveLoadedRequiredResources()
 {
     return !externalResourcesRequiredBaseValue() || !m_imageLoader.hasPendingActivity();
 }
 
 void SVGImageElement::attach(const AttachContext& context)
 {
     SVGStyledTransformableElement::attach(context);
@@ skipping 29 matching lines @@
     addSubresourceURL(urls, document()->completeURL(href()));
 }
 
 void SVGImageElement::didMoveToNewDocument(Document* oldDocument)
 {
     m_imageLoader.elementDidMoveToNewDocument();
     SVGStyledTransformableElement::didMoveToNewDocument(oldDocument);
 }
 
 }