Oilpan: Replace RefPtrs to Node and its subclasses in core/dom/ with Oilpan transtion types.

Source/core/svg/SVGUseElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  * Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  * Copyright (C) 2012 University of Szeged
  * Copyright (C) 2012 Renata Hodovan <reni@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 681 matching lines @@
         // height are provided on the 'use' element, then these attributes will be transferred to
         // the generated 'svg'. If attributes width and/or height are not specified, the generated
         // 'svg' element will use values of 100% for these attributes.
         ASSERT(referencedScope());
         RefPtrWillBeRawPtr<SVGSVGElement> svgElement = SVGSVGElement::create(referencedScope()->document());
 
         // Transfer all data (attributes, etc.) from <symbol> to the new <svg> element.
         svgElement->cloneDataFromElement(*toElement(element));
 
         // Only clone symbol children, and add them to the new <svg> element
-        for (Node* child = element->firstChild(); child; child = child->nextSibling()) {
-            RefPtr<Node> newChild = child->cloneNode(true);
-            svgElement->appendChild(newChild.release());
-        }
+        for (Node* child = element->firstChild(); child; child = child->nextSibling())
+            svgElement->appendChild(child->cloneNode(true));
 
         // We don't walk the target tree element-by-element, and clone each element,
         // but instead use cloneNode(deep=true). This is an optimization for the common
         // case where <use> doesn't contain disallowed elements (ie. <foreignObject>).
         // Though if there are disallowed elements in the subtree, we have to remove them.
         // For instance: <use> on <g> containing <foreignObject> (indirect case).
         if (subtreeContainsDisallowedElement(svgElement.get()))
             removeDisallowedElementsFromSubtree(*svgElement);
 
         RefPtr<Node> replacingElement(svgElement.get());
@@ skipping 163 matching lines @@
         m_resource->addClient(this);
 }
 
 void SVGUseElement::trace(Visitor* visitor)
 {
     visitor->trace(m_targetElementInstance);
     SVGGraphicsElement::trace(visitor);
 }
 
 }