Move CancelableTaskTracker to //base/task/CancelableTaskTracker.

chrome/browser/notifications/message_center_settings_controller.h

 // Copyright (c) 2013 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_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_
 #define CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_
 
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/extensions/app_icon_loader.h"
 #include "chrome/common/content_settings.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "ui/message_center/notifier_settings.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/login/user_manager.h"
 #endif
 
-class CancelableTaskTracker;
 class Profile;
 class ProfileInfoCache;
 
+namespace base {
+class CancelableTaskTracker;
+}
+
 namespace chrome {
 struct FaviconImageResult;
 }
 
 namespace message_center {
 class ProfileNotifierGroup;
 }
 
 // The class to bridge between the settings UI of notifiers and the preference
 // storage.
@@ skipping 57 matching lines @@
   // RebuildNotifierGroups().
   void CreateNotifierGroupForGuestLogin();
 #endif
 
   void RebuildNotifierGroups();
 
   // The views displaying notifier settings.
   ObserverList<message_center::NotifierSettingsObserver> observers_;
 
   // The task tracker for loading favicons.
-  scoped_ptr<CancelableTaskTracker> favicon_tracker_;
+  scoped_ptr<base::CancelableTaskTracker> favicon_tracker_;
 
   scoped_ptr<extensions::AppIconLoader> app_icon_loader_;
 
   std::map<base::string16, ContentSettingsPattern> patterns_;
 
   // The list of all configurable notifier groups. This is each profile that is
   // loaded (and in the ProfileInfoCache - so no incognito profiles go here).
   ScopedVector<message_center::ProfileNotifierGroup> notifier_groups_;
   size_t current_notifier_group_;
 
   content::NotificationRegistrar registrar_;
 
   ProfileInfoCache* profile_info_cache_;
 
   base::WeakPtrFactory<MessageCenterSettingsController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageCenterSettingsController);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_