chromeos: Migrate SignOut and RequestRestartForUpdate to mojo interface

chrome/browser/ui/ash/system_tray_client.cc

 // 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.
 
 #include "chrome/browser/ui/ash/system_tray_client.h"
 
 #include "ash/common/login_status.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/shell.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_platform_part.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
 #include "chrome/browser/chromeos/options/network_config_view.h"
 #include "chrome/browser/chromeos/set_time_dialog.h"
 #include "chrome/browser/chromeos/system/system_clock.h"
 #include "chrome/browser/chromeos/ui/choose_mobile_network_dialog.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/ash_util.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "chrome/browser/ui/singleton_tabs.h"
 #include "chrome/common/url_constants.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/login/login_state.h"
 #include "content/public/browser/user_metrics.h"
@@ skipping 237 matching lines @@
 }
 
 void SystemTrayClient::ShowProxySettings() {
   LoginState* login_state = LoginState::Get();
   // User is not logged in.
   CHECK(!login_state->IsUserLoggedIn() ||
         login_state->GetLoggedInUserType() == LoginState::LOGGED_IN_USER_NONE);
   chromeos::LoginDisplayHost::default_host()->OpenProxySettings();
 }
 
+void SystemTrayClient::SignOut() {
+  chrome::AttemptUserExit();
+}
+
+void SystemTrayClient::RequestRestartForUpdate() {
+  // We expect that UpdateEngine is in "Reboot for update" state now.
+  chrome::NotifyAndTerminate(true /* fast_path */);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // chromeos::system::SystemClockObserver:
 
 void SystemTrayClient::OnSystemClockChanged(
     chromeos::system::SystemClock* clock) {
   ConnectToSystemTray();
   system_tray_->SetUse24HourClock(clock->ShouldUse24HourClock());
 }
 
 void SystemTrayClient::ConnectToSystemTray() {
@@ skipping 10 matching lines @@
     connector->ConnectToInterface("service:content_browser", &system_tray_);
 
   // Tolerate ash crashing and coming back up.
   system_tray_.set_connection_error_handler(base::Bind(
       &SystemTrayClient::OnClientConnectionError, base::Unretained(this)));
 }
 
 void SystemTrayClient::OnClientConnectionError() {
   system_tray_.reset();
 }