Replace RenderArena with PartitionAlloc.

Source/core/svg/SVGPatternElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 153 matching lines @@
 {
     SVGStyledElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 
     if (changedByParser)
         return;
 
     if (RenderObject* object = renderer())
         object->setNeedsLayout(true);
 }
 
-RenderObject* SVGPatternElement::createRenderer(RenderArena* arena, RenderStyle*)
+RenderObject* SVGPatternElement::createRenderer(RenderStyle*)
 {
-    return new (arena) RenderSVGResourcePattern(this);
+    return new RenderSVGResourcePattern(this);
 }
 
 void SVGPatternElement::collectPatternAttributes(PatternAttributes& attributes) const
 {
     HashSet<const SVGPatternElement*> processedPatterns;
 
     const SVGPatternElement* current = this;
     while (current) {
         if (!attributes.hasX() && current->hasAttribute(SVGNames::xAttr))
             attributes.setX(current->x());
@@ skipping 54 matching lines @@
 
 bool SVGPatternElement::selfHasRelativeLengths() const
 {
     return x().isRelative()
         || y().isRelative()
         || width().isRelative()
         || height().isRelative();
 }
 
 }