Template methods on Timer classes instead of the classes themselves.

components/proximity_auth/ble/proximity_auth_ble_system.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_PROXIMITY_AUTH_BLE_PROXIMITY_AUTH_BLE_SYSTEM_H_
 #define COMPONENTS_PROXIMITY_AUTH_BLE_PROXIMITY_AUTH_BLE_SYSTEM_H_
 
 #include <map>
 #include <string>
 
@@ skipping 116 matching lines @@
   // The user id or email of the last focused user on the lock screen.
   std::string last_focused_user_;
 
   // True if the the last status update from the phone reports that the phone's
   // screen is locked. If no status update has been received, this value is true
   // by default.
   bool is_remote_screen_locked_;
 
   // The timer controlling the time the spinner for the user pod icon is shown
   // right after the screen is locked.
-  base::OneShotTimer<ProximityAuthBleSystem> spinner_timer_;
+  base::OneShotTimer spinner_timer_;
 
   // The different UI states that the lock screen can be in.
   enum class ScreenlockUIState {
     NO_SCREENLOCK,
     SPINNER,
     UNAUTHENTICATED,
     AUTHENTICATED
   };
   ScreenlockUIState screenlock_ui_state_;
 
   base::WeakPtrFactory<ProximityAuthBleSystem> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProximityAuthBleSystem);
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_BLE_PROXIMITY_AUTH_BLE_SYSTEM_H_