Oilpan: fix webkit unit tests following r187980.

Source/core/fetch/ResourceFetcher.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     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 71 matching lines @@
 namespace blink {
 
 static Resource* createResource(Resource::Type type, const ResourceRequest& request, const String& charset)
 {
     switch (type) {
     case Resource::Image:
         return new ImageResource(request);
     case Resource::CSSStyleSheet:
         return new CSSStyleSheetResource(request, charset);
     case Resource::Script:
-        return new ScriptResource(request, charset);
+        return ScriptResource::create(request, charset).leakPtr();
     case Resource::SVGDocument:
         return new DocumentResource(request, Resource::SVGDocument);
     case Resource::Font:
         return new FontResource(request);
     case Resource::MainResource:
     case Resource::Raw:
     case Resource::TextTrack:
     case Resource::Media:
         return new RawResource(request, type);
     case Resource::XSLStyleSheet:
@@ skipping 1472 matching lines @@
 
 void ResourceFetcher::trace(Visitor* visitor)
 {
     visitor->trace(m_document);
     visitor->trace(m_loaders);
     visitor->trace(m_nonBlockingLoaders);
     ResourceLoaderHost::trace(visitor);
 }
 
 }