Template methods on Timer classes instead of the classes themselves.

ash/display/resolution_notification_controller.cc

Index: ash/display/resolution_notification_controller.cc
diff --git a/ash/display/resolution_notification_controller.cc b/ash/display/resolution_notification_controller.cc
index 603d480a75069f3a97434ed885b27c1b1e1e6556..28e8d0d82a1dfc3418be0ed87e76e7e7d39c2414 100644
--- a/ash/display/resolution_notification_controller.cc
+++ b/ash/display/resolution_notification_controller.cc
@@ -121,7 +121,7 @@ struct ResolutionNotificationController::ResolutionChangeInfo {
   // The timer to invoke OnTimerTick() every second. This cannot be
   // OneShotTimer since the message contains text "automatically closed in xx
   // seconds..." which has to be updated every second.
-  base::RepeatingTimer<ResolutionNotificationController> timer;
+  base::RepeatingTimer timer;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ResolutionChangeInfo);