Move mus to //services/ui

components/mus/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();
-};
-
-interface UserIdleObserver {
-  enum IdleState {
-    ACTIVE,
-    IDLE,
-  };
-  OnUserIdleStateChanged(IdleState new_state);
-};
-
-interface UserActivityMonitor {
-  // Notifies the observer of user activity at most once every
-  // |delay_between_notify_secs| seconds.
-  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);
-};