chromeos: Move device shutdown handling out of chrome into ash

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

 // Copyright (c) 2013 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 "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 62 matching lines @@
 #include "chrome/browser/chromeos/power/idle_action_warning_observer.h"
 #include "chrome/browser/chromeos/power/login_lock_state_notifier.h"
 #include "chrome/browser/chromeos/power/peripheral_battery_observer.h"
 #include "chrome/browser/chromeos/power/power_data_collector.h"
 #include "chrome/browser/chromeos/power/power_prefs.h"
 #include "chrome/browser/chromeos/power/renderer_freezer.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/resource_reporter/resource_reporter.h"
 #include "chrome/browser/chromeos/settings/device_oauth2_token_service_factory.h"
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
+#include "chrome/browser/chromeos/settings/shutdown_policy_forwarder.h"
 #include "chrome/browser/chromeos/status/data_promo_notification.h"
 #include "chrome/browser/chromeos/system/input_device_settings.h"
 #include "chrome/browser/chromeos/ui/low_disk_notification.h"
 #include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/net/chrome_network_delegate.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/task_manager/task_manager_interface.h"
@@ skipping 668 matching lines @@
     keyboard_event_rewriters_->AddEventRewriter(
         std::unique_ptr<ui::EventRewriter>(new KeyboardDrivenEventRewriter()));
     keyboard_event_rewriters_->AddEventRewriter(
         std::unique_ptr<ui::EventRewriter>(new SpokenFeedbackEventRewriter()));
     keyboard_event_rewriters_->AddEventRewriter(
         std::unique_ptr<ui::EventRewriter>(new EventRewriter(
             ash::Shell::GetInstance()->sticky_keys_controller())));
     keyboard_event_rewriters_->Init();
   }
 
+  // In classic ash must occur after ash::WmShell is initialized. Triggers a
+  // fetch of the initial CrosSettings DeviceRebootOnShutdown policy.
+  shutdown_policy_forwarder_ = base::MakeUnique<ShutdownPolicyForwarder>();
+
   ChromeBrowserMainPartsLinux::PostBrowserStart();
 }
 
 // Shut down services before the browser process, etc are destroyed.
 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
   chromeos::ResourceReporter::GetInstance()->StopMonitoring();
 
   BootTimesRecorder::Get()->AddLogoutTimeMarker("UIMessageLoopEnded", true);
 
   arc_service_launcher_->Shutdown();
   arc_kiosk_app_manager_.reset();
 
+  // Unregister CrosSettings observers before CrosSettings is destroyed.
+  shutdown_policy_forwarder_.reset();
+
   // Destroy the application name notifier for Kiosk mode.
   KioskModeIdleAppNameNotification::Shutdown();
 
   // Shutdown the upgrade detector for Chrome OS. The upgrade detector
   // stops monitoring changes from the update engine.
   if (UpgradeDetectorChromeos::GetInstance())
     UpgradeDetectorChromeos::GetInstance()->Shutdown();
 
   // Shutdown the network change notifier for Chrome OS. The network
   // change notifier stops monitoring changes from the power manager and
@@ skipping 105 matching lines @@
   // Destroy DBus services immediately after threads are stopped.
   dbus_services_.reset();
 
   ChromeBrowserMainPartsLinux::PostDestroyThreads();
 
   // Destroy DeviceSettingsService after g_browser_process.
   DeviceSettingsService::Shutdown();
 }
 
 }  //  namespace chromeos