Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGRectElement.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 25 matching lines @@
     , m_ry(SVGAnimatedLength::create(this, SVGNames::ryAttr, SVGLength::create(LengthModeHeight), ForbidNegativeLengths))
 {
     addToPropertyMap(m_x);
     addToPropertyMap(m_y);
     addToPropertyMap(m_width);
     addToPropertyMap(m_height);
     addToPropertyMap(m_rx);
     addToPropertyMap(m_ry);
 }
 
+void SVGRectElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_x);
+    visitor->trace(m_y);
+    visitor->trace(m_width);
+    visitor->trace(m_height);
+    visitor->trace(m_rx);
+    visitor->trace(m_ry);
+    SVGGeometryElement::trace(visitor);
+}
+
 DEFINE_NODE_FACTORY(SVGRectElement)
 
 bool SVGRectElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
         supportedAttributes.add(SVGNames::xAttr);
         supportedAttributes.add(SVGNames::yAttr);
         supportedAttributes.add(SVGNames::widthAttr);
         supportedAttributes.add(SVGNames::heightAttr);
@@ skipping 49 matching lines @@
         || m_rx->currentValue()->isRelative()
         || m_ry->currentValue()->isRelative();
 }
 
 RenderObject* SVGRectElement::createRenderer(RenderStyle*)
 {
     return new RenderSVGRect(this);
 }
 
 } // namespace blink