Replace RenderArena with PartitionAlloc

Source/core/svg/SVGForeignObjectElement.cpp

 /*
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@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 106 matching lines @@
 
     if (isLengthAttribute)
         updateRelativeLengthsInformation();
 
     if (RenderObject* renderer = this->renderer())
         RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
 }
 
 RenderObject* SVGForeignObjectElement::createRenderer(RenderStyle*)
 {
-    return new (document()->renderArena()) RenderSVGForeignObject(this);
+    return new RenderSVGForeignObject(this);
 }
 
 bool SVGForeignObjectElement::childShouldCreateRenderer(const NodeRenderingContext& childContext) const
 {
     // Disallow arbitary SVG content. Only allow proper <svg xmlns="svgNS"> subdocuments.
     if (childContext.node()->isSVGElement())
         return childContext.node()->hasTagName(SVGNames::svgTag);
 
     // Skip over SVG rules which disallow non-SVG kids
     return Element::childShouldCreateRenderer(childContext);
@@ skipping 19 matching lines @@
 
 bool SVGForeignObjectElement::selfHasRelativeLengths() const
 {
     return xCurrentValue().isRelative()
         || yCurrentValue().isRelative()
         || widthCurrentValue().isRelative()
         || heightCurrentValue().isRelative();
 }
 
 }