Template methods on Timer classes instead of the classes themselves.

chrome/browser/sync/profile_sync_service.h

 // Copyright (c) 2012 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_SYNC_PROFILE_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 898 matching lines @@
   // ProfileSyncService needs to remember access token in order to invalidate it
   // with OAuth2TokenService.
   std::string access_token_;
 
   // ProfileSyncService needs to hold reference to access_token_request_ for
   // the duration of request in order to receive callbacks.
   scoped_ptr<OAuth2TokenService::Request> access_token_request_;
 
   // If RequestAccessToken fails with transient error then retry requesting
   // access token with exponential backoff.
-  base::OneShotTimer<ProfileSyncService> request_access_token_retry_timer_;
+  base::OneShotTimer request_access_token_retry_timer_;
   net::BackoffEntry request_access_token_backoff_;
 
   // States related to sync token and connection.
   base::Time connection_status_update_time_;
   syncer::ConnectionStatus connection_status_;
   base::Time token_request_time_;
   base::Time token_receive_time_;
   GoogleServiceAuthError last_get_token_error_;
   base::Time next_token_request_time_;
 
@@ skipping 66 matching lines @@
   base::WeakPtrFactory<ProfileSyncService> startup_controller_weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncService);
 };
 
 bool ShouldShowActionOnUI(
     const syncer::SyncProtocolError& error);
 
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_