Move mus to //services/ui

services/ui/public/interfaces/user_activity_monitor.mojom

 // Copyright 2016 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.
 
 module mus.mojom;
 
 interface UserActivityObserver {
   OnUserActivity();
 };
 
@@ skipping 11 matching lines @@
   AddUserActivityObserver(uint32 delay_between_notify_secs,
                           UserActivityObserver observer);
 
   // Notifies the observer when user is idle for more than
   // |idle_time_in_minutes| minutes. When the observer is first added, if the
   // user has already been idle for |idle_time_in_minutes|, then
   // OnUserIdleStateChanged(IDLE) is called on the observer, otherwise
   // OnUserIdleStateChanged(ACTIVE) is called.
   AddUserIdleObserver(uint32 idle_time_in_minutes, UserIdleObserver observer);
 };