Template methods on Timer classes instead of the classes themselves.

chrome/browser/sync/glue/sync_backend_host_core.h

 // Copyright 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_SYNC_GLUE_SYNC_BACKEND_HOST_CORE_H_
 #define CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_CORE_H_
 
 #include "base/memory/ref_counted.h"
 
 #include "base/timer/timer.h"
@@ skipping 266 matching lines @@
 
   // The loop where all the sync backend operations happen.
   // Non-NULL only between calls to DoInitialize() and ~Core().
   base::MessageLoop* sync_loop_;
 
   // Our parent's registrar (not owned).  Non-NULL only between
   // calls to DoInitialize() and DoShutdown().
   SyncBackendRegistrar* registrar_;
 
   // The timer used to periodically call SaveChanges.
-  scoped_ptr<base::RepeatingTimer<SyncBackendHostCore> > save_changes_timer_;
+  scoped_ptr<base::RepeatingTimer> save_changes_timer_;
 
   // Our encryptor, which uses Chrome's encryption functions.
   sync_driver::SystemEncryptor encryptor_;
 
   // The top-level syncapi entry point.  Lives on the sync thread.
   scoped_ptr<syncer::SyncManager> sync_manager_;
 
   // Temporary holder of sync manager's initialization results. Set by
   // OnInitializeComplete, and consumed when we pass it via OnBackendInitialized
   // in the final state of HandleInitializationSuccessOnFrontendLoop.
@@ skipping 25 matching lines @@
   std::map<syncer::ModelType, int64> last_invalidation_versions_;
 
   base::WeakPtrFactory<SyncBackendHostCore> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHostCore);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_CORE_H_