Oilpan: Prepare to move ImageLoader and its subclasses to Oilpan heap.

Source/core/html/HTMLEmbedElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 84 matching lines @@
         if (pos != kNotFound)
             m_serviceType = m_serviceType.left(pos);
         if (!renderer())
             requestPluginCreationWithoutRendererIfPossible();
     } else if (name == codeAttr) {
         m_url = stripLeadingAndTrailingHTMLSpaces(value);
     } else if (name == srcAttr) {
         m_url = stripLeadingAndTrailingHTMLSpaces(value);
         if (renderer() && isImageType()) {
             if (!m_imageLoader)
-                m_imageLoader = adoptPtr(new HTMLImageLoader(this));
+                m_imageLoader = HTMLImageLoader::create(this);
             m_imageLoader->updateFromElementIgnoringPreviousError();
         }
     } else {
         HTMLPlugInElement::parseAttribute(name, value);
     }
 }
 
 void HTMLEmbedElement::parametersForPlugin(Vector<String>& paramNames, Vector<String>& paramValues)
 {
     if (!hasAttributes())
@@ skipping 83 matching lines @@
 {
     // http://www.whatwg.org/specs/web-apps/current-work/#exposed
     for (HTMLObjectElement* object = Traversal<HTMLObjectElement>::firstAncestor(*this); object; object = Traversal<HTMLObjectElement>::firstAncestor(*object)) {
         if (object->isExposed())
             return false;
     }
     return true;
 }
 
 }