Replace RenderArena with PartitionAlloc.

Source/core/svg/SVGFilterElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 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
@@ skipping 167 matching lines @@
 {
     SVGStyledElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 
     if (changedByParser)
         return;
 
     if (RenderObject* object = renderer())
         object->setNeedsLayout(true);
 }
 
-RenderObject* SVGFilterElement::createRenderer(RenderArena* arena, RenderStyle*)
+RenderObject* SVGFilterElement::createRenderer(RenderStyle*)
 {
-    return new (arena) RenderSVGResourceFilter(this);
+    return new RenderSVGResourceFilter(this);
 }
 
 bool SVGFilterElement::childShouldCreateRenderer(const NodeRenderingContext& childContext) const
 {
     if (!childContext.node()->isSVGElement())
         return false;
 
     SVGElement* svgElement = toSVGElement(childContext.node());
 
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, allowedChildElementTags, ());
@@ skipping 30 matching lines @@
 
 bool SVGFilterElement::selfHasRelativeLengths() const
 {
     return x().isRelative()
         || y().isRelative()
         || width().isRelative()
         || height().isRelative();
 }
 
 }