Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGCircleElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@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 19 matching lines @@
     : SVGGeometryElement(SVGNames::circleTag, document)
     , m_cx(SVGAnimatedLength::create(this, SVGNames::cxAttr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
     , m_cy(SVGAnimatedLength::create(this, SVGNames::cyAttr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
     , m_r(SVGAnimatedLength::create(this, SVGNames::rAttr, SVGLength::create(LengthModeOther), ForbidNegativeLengths))
 {
     addToPropertyMap(m_cx);
     addToPropertyMap(m_cy);
     addToPropertyMap(m_r);
 }
 
+void SVGCircleElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_cx);
+    visitor->trace(m_cy);
+    visitor->trace(m_r);
+    SVGGeometryElement::trace(visitor);
+}
+
 DEFINE_NODE_FACTORY(SVGCircleElement)
 
 bool SVGCircleElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
         supportedAttributes.add(SVGNames::cxAttr);
         supportedAttributes.add(SVGNames::cyAttr);
         supportedAttributes.add(SVGNames::rAttr);
     }
@@ skipping 40 matching lines @@
         || m_cy->currentValue()->isRelative()
         || m_r->currentValue()->isRelative();
 }
 
 RenderObject* SVGCircleElement::createRenderer(RenderStyle*)
 {
     return new RenderSVGEllipse(this);
 }
 
 }