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

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 1326 matching lines @@
 }
 
 void ResourceFetcher::didDownloadData(const Resource* resource, int dataLength, int encodedDataLength)
 {
     context().dispatchDidDownloadData(m_documentLoader, resource->identifier(), dataLength, encodedDataLength);
 }
 
 void ResourceFetcher::subresourceLoaderFinishedLoadingOnePart(ResourceLoader* loader)
 {
     if (!m_multipartLoaders)
-        m_multipartLoaders = adoptPtr(new ResourceLoaderSet());
+        m_multipartLoaders = ResourceLoaderSet::create();
     m_multipartLoaders->add(loader);
     m_loaders->remove(loader);
     if (LocalFrame* frame = this->frame())
         return frame->loader().checkLoadComplete();
 }
 
 void ResourceFetcher::didInitializeResourceLoader(ResourceLoader* loader)
 {
     if (!m_document)
         return;
     if (!m_loaders)
-        m_loaders = adoptPtr(new ResourceLoaderSet());
+        m_loaders = ResourceLoaderSet::create();
     ASSERT(!m_loaders->contains(loader));
     m_loaders->add(loader);
 }
 
 void ResourceFetcher::willTerminateResourceLoader(ResourceLoader* loader)
 {
     if (m_loaders && m_loaders->contains(loader))
         m_loaders->remove(loader);
     if (m_multipartLoaders && m_multipartLoaders->contains(loader))
         m_multipartLoaders->remove(loader);
@@ skipping 163 matching lines @@
         return;
     case Use:
         ++m_useCount;
         return;
     }
 }
 
 void ResourceFetcher::trace(Visitor* visitor)
 {
     visitor->trace(m_document);
+    visitor->trace(m_loaders);
+    visitor->trace(m_multipartLoaders);
     ResourceLoaderHost::trace(visitor);
 }
 
 }