Remove DeleteTask and convert remaining users.

chrome/browser/extensions/extension_function.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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_
 #pragma once
 
 #include <list>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/message_loop_helpers.h"
 #include "base/process.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/render_view_host_observer.h"
 #include "ipc/ipc_message.h"
 
 class Browser;
@@ skipping 214 matching lines @@
       const base::WeakPtr<ExtensionFunctionDispatcher>& dispatcher) {
     dispatcher_ = dispatcher;
   }
   ExtensionFunctionDispatcher* dispatcher() const {
     return dispatcher_.get();
   }
 
  protected:
   friend struct content::BrowserThread::DeleteOnThread<
       content::BrowserThread::UI>;
-  friend class DeleteTask<UIThreadExtensionFunction>;
+  friend class base::DeleteHelper<UIThreadExtensionFunction>;
 
   virtual ~UIThreadExtensionFunction();
 
   virtual void SendResponse(bool success) OVERRIDE;
 
   // Gets the "current" browser, if any.
   //
   // Many extension APIs operate relative to the current browser, which is the
   // browser the calling code is running inside of. For example, popups, tabs,
   // and infobars all have a containing browser, but background pages and
@@ skipping 81 matching lines @@
   void set_extension_info_map(const ExtensionInfoMap* extension_info_map) {
     extension_info_map_ = extension_info_map;
   }
   const ExtensionInfoMap* extension_info_map() const {
     return extension_info_map_.get();
   }
 
  protected:
   friend struct content::BrowserThread::DeleteOnThread<
       content::BrowserThread::IO>;
-  friend class DeleteTask<IOThreadExtensionFunction>;
+  friend class base::DeleteHelper<IOThreadExtensionFunction>;
 
   virtual ~IOThreadExtensionFunction();
 
   virtual void Destruct() const OVERRIDE;
 
   virtual void SendResponse(bool success) OVERRIDE;
 
  private:
   base::WeakPtr<ChromeRenderMessageFilter> ipc_sender_;
   int routing_id_;
@@ skipping 32 matching lines @@
  public:
   SyncIOThreadExtensionFunction();
 
   virtual void Run() OVERRIDE;
 
  protected:
   virtual ~SyncIOThreadExtensionFunction();
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_