mus: Add UserActivityMonitor.

components/mus/ws/display.cc

 // 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.
 
 #include "components/mus/ws/display.h"
 
 #include <set>
 #include <vector>
 
 #include "base/debug/debugger.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/mus/common/types.h"
 #include "components/mus/ws/display_binding.h"
 #include "components/mus/ws/display_manager.h"
 #include "components/mus/ws/focus_controller.h"
 #include "components/mus/ws/platform_display.h"
 #include "components/mus/ws/platform_display_init_params.h"
+#include "components/mus/ws/user_activity_monitor.h"
 #include "components/mus/ws/window_manager_display_root.h"
 #include "components/mus/ws/window_manager_state.h"
 #include "components/mus/ws/window_manager_window_tree_factory.h"
 #include "components/mus/ws/window_server.h"
 #include "components/mus/ws/window_server_delegate.h"
 #include "components/mus/ws/window_tree.h"
 #include "components/mus/ws/window_tree_binding.h"
 #include "mojo/common/common_type_converters.h"
 #include "services/shell/public/interfaces/connector.mojom.h"
 #include "ui/base/cursor/cursor.h"
@@ skipping 243 matching lines @@
 }
 
 ServerWindow* Display::GetRootWindow() {
   return root_.get();
 }
 
 void Display::OnEvent(const ui::Event& event) {
   WindowManagerDisplayRoot* display_root = GetActiveWindowManagerDisplayRoot();
   if (display_root)
     display_root->window_manager_state()->ProcessEvent(event);
+  window_server_
+      ->GetUserActivityMonitorForUser(
+          window_server_->user_id_tracker()->active_id())
+      ->OnUserActivity();
 }
 
 void Display::OnNativeCaptureLost() {
   WindowManagerDisplayRoot* display_root = GetActiveWindowManagerDisplayRoot();
   if (display_root)
     display_root->window_manager_state()->SetCapture(nullptr, kInvalidClientId);
 }
 
 void Display::OnDisplayClosed() {
   display_manager()->DestroyDisplay(this);
@@ skipping 114 matching lines @@
 }
 
 void Display::OnWindowManagerWindowTreeFactoryReady(
     WindowManagerWindowTreeFactory* factory) {
   if (!binding_)
     CreateWindowManagerDisplayRootFromFactory(factory);
 }
 
 }  // namespace ws
 }  // namespace mus