Template methods on Timer classes instead of the classes themselves.

chrome/browser/chromeos/login/users/avatar/user_image_manager_impl.h

 // Copyright 2014 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_CHROMEOS_LOGIN_USERS_AVATAR_USER_IMAGE_MANAGER_IMPL_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_AVATAR_USER_IMAGE_MANAGER_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 181 matching lines @@
   // |downloaded_profile_image_| is currently available.
   GURL profile_image_url_;
 
   // Whether a download of the currently logged-in user's profile image has been
   // explicitly requested by a call to DownloadProfileImage() and has not been
   // satisfied by a successful download yet.
   bool profile_image_requested_;
 
   // Timer used to start a profile data download shortly after login and to
   // restart the download after network errors.
-  base::OneShotTimer<UserImageManagerImpl> profile_download_one_shot_timer_;
+  base::OneShotTimer profile_download_one_shot_timer_;
 
   // Timer used to periodically start a profile data, ensuring the profile data
   // stays up to date.
-  base::RepeatingTimer<UserImageManagerImpl> profile_download_periodic_timer_;
+  base::RepeatingTimer profile_download_periodic_timer_;
 
   // Sync observer for the currently logged-in user.
   scoped_ptr<UserImageSyncObserver> user_image_sync_observer_;
 
   // Background task runner on which Jobs perform file I/O and the image
   // decoders run.
   scoped_refptr<base::SequencedTaskRunner> background_task_runner_;
 
   // The currently running job.
   scoped_ptr<Job> job_;
 
   bool has_managed_image_;
   bool user_needs_migration_;
 
   base::WeakPtrFactory<UserImageManagerImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UserImageManagerImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_AVATAR_USER_IMAGE_MANAGER_IMPL_H_