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 154 matching lines @@
 
     if (changedByParser)
         return;
 
     if (RenderObject* object = renderer())
         object->setNeedsLayout(true);
 }
 
 RenderObject* SVGPatternElement::createRenderer(RenderStyle*)
 {
-    return new (document()->renderArena()) 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->xCurrentValue());
@@ skipping 54 matching lines @@
 
 bool SVGPatternElement::selfHasRelativeLengths() const
 {
     return xCurrentValue().isRelative()
         || yCurrentValue().isRelative()
         || widthCurrentValue().isRelative()
         || heightCurrentValue().isRelative();
 }
 
 }