Oilpan: Prepare to move ResourceLoader and ResourceLoaderSet to Oilpan heap.

Source/core/fetch/ResourceFetcher.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@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
     version 2 of the License, or (at your option) any later version.
@@ skipping 204 matching lines @@
     OwnPtr<ListHashSet<Resource*> > m_preloads;
 
     Timer<ResourceFetcher> m_garbageCollectDocumentResourcesTimer;
     Timer<ResourceFetcher> m_resourceTimingReportTimer;
 
     typedef HashMap<Resource*, RefPtr<ResourceTimingInfo> > ResourceTimingInfoMap;
     ResourceTimingInfoMap m_resourceTimingInfoMap;
 
     HashMap<RefPtr<ResourceTimingInfo>, bool> m_scheduledResourceTimingReports;
 
-    OwnPtr<ResourceLoaderSet> m_loaders;
-    OwnPtr<ResourceLoaderSet> m_multipartLoaders;
+    OwnPtrWillBeMember<ResourceLoaderSet> m_loaders;
+    OwnPtrWillBeMember<ResourceLoaderSet> m_multipartLoaders;
 
     // Used in hit rate histograms.
     class DeadResourceStatsRecorder {
     public:
         DeadResourceStatsRecorder();
         ~DeadResourceStatsRecorder();
 
         void update(RevalidationPolicy);
 
     private:
@@ skipping 28 matching lines @@
             m_loader->m_allowStaleResources = m_previousState;
     }
 private:
     ResourceFetcher* m_loader;
     bool m_previousState;
 };
 
 } // namespace blink
 
 #endif