Template methods on Timer classes instead of the classes themselves.

components/signin/core/browser/account_fetcher_service.h

 // Copyright 2015 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 COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_FETCHER_SERVICE_H_
 #define COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_FETCHER_SERVICE_H_
 
 #include <list>
 #include <map>
 
@@ skipping 97 matching lines @@
   void OnRefreshTokenRevoked(const std::string& account_id) override;
   void OnRefreshTokensLoaded() override;
 
   AccountTrackerService* account_tracker_service_;  // Not owned.
   OAuth2TokenService* token_service_;  // Not owned.
   SigninClient* signin_client_;  // Not owned.
   invalidation::InvalidationService* invalidation_service_;  // Not owned.
   bool network_fetches_enabled_;
   std::list<std::string> pending_user_info_fetches_;
   base::Time last_updated_;
-  base::OneShotTimer<AccountFetcherService> timer_;
+  base::OneShotTimer timer_;
   bool shutdown_called_;
 
   std::string child_request_account_id_;
   scoped_ptr<ChildAccountInfoFetcher> child_info_request_;
 
   // Holds references to account info fetchers keyed by account_id.
   base::ScopedPtrHashMap<std::string, scoped_ptr<AccountInfoFetcher>>
       user_info_requests_;
   // Holds references to refresh token annotation requests keyed by account_id.
   base::ScopedPtrHashMap<std::string, scoped_ptr<RefreshTokenAnnotationRequest>>
       refresh_token_annotation_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(AccountFetcherService);
 };
 
 #endif  // COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_FETCHER_SERVICE_H_