Remove DeleteTask and convert remaining users.

content/browser/renderer_host/resource_handler.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This is the browser side of the resource dispatcher, it receives requests
 // from the RenderProcessHosts, and dispatches them to URLRequests. It then
 // fowards the messages from the URLRequests back to the correct process for
 // handling.
 //
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_
 #pragma once
 
 #include <string>
 
+#include "base/message_loop_helpers.h"
 #include "content/public/browser/browser_thread.h"
 
 class GURL;
 
 namespace content {
 struct ResourceResponse;
 }
 
 namespace net {
 class IOBuffer;
@@ skipping 56 matching lines @@
   virtual void OnRequestClosed() = 0;
 
   // This notification is synthesized by the RedirectToFileResourceHandler
   // to indicate progress of 'download_to_file' requests. OnReadCompleted
   // calls are consumed by the RedirectToFileResourceHandler and replaced
   // with OnDataDownloaded calls.
   virtual void OnDataDownloaded(int request_id, int bytes_downloaded) {}
 
  protected:
   friend class content::BrowserThread;
-  friend class DeleteTask<ResourceHandler>;
+  friend class base::DeleteHelper<ResourceHandler>;
 
   virtual ~ResourceHandler() {}
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_