mash: Keep Chrome alive with ChromeSessionManager

chrome/browser/chromeos/login/session/chrome_session_manager.cc

 // Copyright 2014 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/login/session/chrome_session_manager.h"
 
 #include <memory>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/sys_info.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_platform_part_chromeos.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/arc/arc_auth_service.h"
 #include "chrome/browser/chromeos/login/login_wizard.h"
 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
+#include "chrome/browser/ui/ash/ash_util.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/audio/cras_audio_handler.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/cryptohome/cryptohome_parameters.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "components/arc/arc_bridge_service.h"
 #include "components/arc/arc_service_manager.h"
@@ skipping 130 matching lines @@
 
 }  // namespace
 
 ChromeSessionManager::ChromeSessionManager() {}
 ChromeSessionManager::~ChromeSessionManager() {}
 
 void ChromeSessionManager::Initialize(
     const base::CommandLine& parsed_command_line,
     Profile* profile,
     bool is_running_test) {
+  // Keep Chrome alive for mash.
+  // TODO(xiyuan): Remove this when session manager is moved out of Chrome.
+  if (chrome::IsRunningInMash() &&
+      !base::CommandLine::ForCurrentProcess()->HasSwitch(
+          ::switches::kDisableZeroBrowsersOpenForTests)) {
+    g_browser_process->platform_part()->RegisterKeepAlive();
+  }
+
   // Tests should be able to tune login manager before showing it. Thus only
   // show login UI (login and out-of-box) in normal (non-testing) mode with
   // --login-manager switch and if test passed --force-login-manager-in-tests.
   bool force_login_screen_in_test =
       parsed_command_line.HasSwitch(switches::kForceLoginManagerInTests);
 
   const std::string cryptohome_id =
       parsed_command_line.GetSwitchValueASCII(switches::kLoginUser);
   const AccountId login_account_id(
       cryptohome::Identification::FromString(cryptohome_id).GetAccountId());
@@ skipping 41 matching lines @@
     user_manager->OnSessionStarted();
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_SESSION_STARTED,
       content::Source<session_manager::SessionManager>(this),
       content::Details<const user_manager::User>(
           user_manager->GetActiveUser()));
 }
 
 }  // namespace chromeos