Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGRadialGradientElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 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 38 matching lines @@
     m_fr->setDefaultValueAsString("0%");
 
     addToPropertyMap(m_cx);
     addToPropertyMap(m_cy);
     addToPropertyMap(m_r);
     addToPropertyMap(m_fx);
     addToPropertyMap(m_fy);
     addToPropertyMap(m_fr);
 }
 
+void SVGRadialGradientElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_cx);
+    visitor->trace(m_cy);
+    visitor->trace(m_r);
+    visitor->trace(m_fx);
+    visitor->trace(m_fy);
+    visitor->trace(m_fr);
+    SVGGradientElement::trace(visitor);
+}
+
 DEFINE_NODE_FACTORY(SVGRadialGradientElement)
 
 bool SVGRadialGradientElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
         supportedAttributes.add(SVGNames::cxAttr);
         supportedAttributes.add(SVGNames::cyAttr);
         supportedAttributes.add(SVGNames::fxAttr);
         supportedAttributes.add(SVGNames::fyAttr);
@@ skipping 117 matching lines @@
 {
     return m_cx->currentValue()->isRelative()
         || m_cy->currentValue()->isRelative()
         || m_r->currentValue()->isRelative()
         || m_fx->currentValue()->isRelative()
         || m_fy->currentValue()->isRelative()
         || m_fr->currentValue()->isRelative();
 }
 
 } // namespace blink