Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGFEImageElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2010 Dirk Schulze <krit@webkit.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.
  *
@@ skipping 37 matching lines @@
 #if ENABLE(OILPAN)
     if (m_cachedImage) {
         m_cachedImage->removeClient(this);
         m_cachedImage = 0;
     }
 #else
     clearResourceReferences();
 #endif
 }
 
+void SVGFEImageElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_preserveAspectRatio);
+    SVGFilterPrimitiveStandardAttributes::trace(visitor);
+    SVGURIReference::trace(visitor);
+}
+
 bool SVGFEImageElement::currentFrameHasSingleSecurityOrigin() const
 {
     if (m_cachedImage && m_cachedImage->image())
         return m_cachedImage->image()->currentFrameHasSingleSecurityOrigin();
 
     return true;
 }
 
 void SVGFEImageElement::clearResourceReferences()
 {
@@ skipping 97 matching lines @@
     Element* parent = parentElement();
     ASSERT(parent);
 
     if (!isSVGFilterElement(*parent) || !parent->renderer())
         return;
 
     if (RenderObject* renderer = this->renderer())
         markForLayoutAndParentResourceInvalidation(renderer);
 }
 
-PassRefPtr<FilterEffect> SVGFEImageElement::build(SVGFilterBuilder*, Filter* filter)
+PassRefPtrWillBeRawPtr<FilterEffect> SVGFEImageElement::build(SVGFilterBuilder*, Filter* filter)
 {
     if (m_cachedImage)
         return FEImage::createWithImage(filter, m_cachedImage->imageForRenderer(renderer()), m_preserveAspectRatio->currentValue());
     return FEImage::createWithIRIReference(filter, treeScope(), hrefString(), m_preserveAspectRatio->currentValue());
 }
 
 }