Remove DeleteTask and convert remaining users.

chrome/browser/protector/protector.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_PROTECTOR_PROTECTOR_H_
 #define CHROME_BROWSER_PROTECTOR_PROTECTOR_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/task.h"
+#include "base/message_loop_helpers.h"
 #include "chrome/browser/protector/base_setting_change.h"
 #include "chrome/browser/protector/settings_change_global_error_delegate.h"
 
 class GURL;
 class Profile;
 class TemplateURLService;
 
 namespace protector {
 
 class SettingsChangeGlobalError;
@@ skipping 18 matching lines @@
   // Returns the Profile instance we've shown error bubble for.
   Profile* profile() { return profile_; }
 
   // SettingsChangeGlobalErrorDelegate implementation.
   virtual void OnApplyChange() OVERRIDE;
   virtual void OnDiscardChange() OVERRIDE;
   virtual void OnDecisionTimeout() OVERRIDE;
   virtual void OnRemovedFromProfile() OVERRIDE;
 
  private:
-  friend class DeleteTask<Protector>;
+  friend class base::DeleteHelper<Protector>;
 
   // The object can only be allocated and destroyed on heap.
   virtual ~Protector();
 
   // Pointer to error bubble controller. Indicates if we're showing change
   // notification to user.
   scoped_ptr<SettingsChangeGlobalError> error_;
 
   // Setting change which we're showing.
   scoped_ptr<BaseSettingChange> change_;
 
   // Profile which settings we are protecting.
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(Protector);
 };
 
 // Signs string value with protector's key.
 std::string SignSetting(const std::string& value);
 
 // Returns true if the signature is valid for the specified key.
 bool IsSettingValid(const std::string& value, const std::string& signature);
 
 }  // namespace protector
 
 #endif  // CHROME_BROWSER_PROTECTOR_PROTECTOR_H_