Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGTextPositioningElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 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 26 matching lines @@
     , m_dy(SVGAnimatedLengthList::create(this, SVGNames::dyAttr, SVGLengthList::create(LengthModeHeight)))
     , m_rotate(SVGAnimatedNumberList::create(this, SVGNames::rotateAttr, SVGNumberList::create()))
 {
     addToPropertyMap(m_x);
     addToPropertyMap(m_y);
     addToPropertyMap(m_dx);
     addToPropertyMap(m_dy);
     addToPropertyMap(m_rotate);
 }
 
+void SVGTextPositioningElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_x);
+    visitor->trace(m_y);
+    visitor->trace(m_dx);
+    visitor->trace(m_dy);
+    visitor->trace(m_rotate);
+    SVGTextContentElement::trace(visitor);
+}
+
 bool SVGTextPositioningElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
         supportedAttributes.add(SVGNames::xAttr);
         supportedAttributes.add(SVGNames::yAttr);
         supportedAttributes.add(SVGNames::dxAttr);
         supportedAttributes.add(SVGNames::dyAttr);
         supportedAttributes.add(SVGNames::rotateAttr);
     }
@@ skipping 42 matching lines @@
         return 0;
 
     Node* node = renderer->node();
     ASSERT(node);
     ASSERT(node->isSVGElement());
 
     return isSVGTextPositioningElement(*node) ? toSVGTextPositioningElement(node) : 0;
 }
 
 }