[Loader] Make ThreadableLoader non-RefCounted and be managed by OwnPtr

third_party/WebKit/Source/core/loader/ThreadableLoader.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/loader/DocumentThreadableLoader.h"
 #include "core/loader/ThreadableLoaderClientWrapper.h"
 #include "core/loader/WorkerThreadableLoader.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerThread.h"
 
 namespace blink {
 
-PassRefPtr<ThreadableLoader> ThreadableLoader::create(ExecutionContext& context, ThreadableLoaderClient* client, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
+PassOwnPtr<ThreadableLoader> ThreadableLoader::create(ExecutionContext& context, ThreadableLoaderClient* client, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
 {
     ASSERT(client);
 
     if (context.isWorkerGlobalScope()) {
         return WorkerThreadableLoader::create(toWorkerGlobalScope(context), client, options, resourceLoaderOptions);
     }
 
     return DocumentThreadableLoader::create(toDocument(context), client, options, resourceLoaderOptions);
 }
 
 void ThreadableLoader::loadResourceSynchronously(ExecutionContext& context, const ResourceRequest& request, ThreadableLoaderClient& client, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
 {
     if (context.isWorkerGlobalScope()) {
         WorkerThreadableLoader::loadResourceSynchronously(toWorkerGlobalScope(context), request, client, options, resourceLoaderOptions);
         return;
     }
 
     DocumentThreadableLoader::loadResourceSynchronously(toDocument(context), request, client, options, resourceLoaderOptions);
 }
 
 } // namespace blink