Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGForeignObjectElement.cpp

 /*
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@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_height(SVGAnimatedLength::create(this, SVGNames::heightAttr, SVGLength::create(LengthModeHeight), ForbidNegativeLengths))
 {
     addToPropertyMap(m_x);
     addToPropertyMap(m_y);
     addToPropertyMap(m_width);
     addToPropertyMap(m_height);
 
     UseCounter::count(document, UseCounter::SVGForeignObjectElement);
 }
 
+void SVGForeignObjectElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_x);
+    visitor->trace(m_y);
+    visitor->trace(m_width);
+    visitor->trace(m_height);
+    SVGGraphicsElement::trace(visitor);
+}
+
 DEFINE_NODE_FACTORY(SVGForeignObjectElement)
 
 bool SVGForeignObjectElement::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);
     }
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
 }
 
 void SVGForeignObjectElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     parseAttributeNew(name, value);
 }
 
 bool SVGForeignObjectElement::isPresentationAttribute(const QualifiedName& name) const
 {
     if (name == SVGNames::widthAttr || name == SVGNames::heightAttr)
         return true;
     return SVGGraphicsElement::isPresentationAttribute(name);
 }
 
 void SVGForeignObjectElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
 {
     if (name == SVGNames::widthAttr || name == SVGNames::heightAttr) {
-        RefPtr<SVGLength> length = SVGLength::create(LengthModeOther);
+        RefPtrWillBeRawPtr<SVGLength> length = SVGLength::create(LengthModeOther);
         TrackExceptionState exceptionState;
         length->setValueAsString(value, exceptionState);
         if (!exceptionState.hadException()) {
             if (name == SVGNames::widthAttr)
                 addPropertyToPresentationAttributeStyle(style, CSSPropertyWidth, value);
             else if (name == SVGNames::heightAttr)
                 addPropertyToPresentationAttributeStyle(style, CSSPropertyHeight, value);
         }
     } else {
         SVGGraphicsElement::collectStyleForPresentationAttribute(name, value, style);
@@ skipping 51 matching lines @@
 
 bool SVGForeignObjectElement::selfHasRelativeLengths() const
 {
     return m_x->currentValue()->isRelative()
         || m_y->currentValue()->isRelative()
         || m_width->currentValue()->isRelative()
         || m_height->currentValue()->isRelative();
 }
 
 } // namespace blink