cros: Reboot the system after encryption migration finishes.

chrome/browser/ui/webui/chromeos/login/encryption_migration_screen_handler.cc

 // Copyright 2017 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/webui/chromeos/login/encryption_migration_screen_handler.h"
 
 #include <string>
 #include <utility>
 
 #include "ash/system/devicetype_utils.h"
@@ skipping 180 matching lines @@
   // previous attempt and dropping |is_forcing_dircrypto| flag in UserContext.
   // In this case, the user can not launch ARC apps in the session, and will be
   // asked to do the migration again in the next log-in attempt.
   if (!continue_login_callback_.is_null()) {
     user_context_.SetIsForcingDircrypto(false);
     std::move(continue_login_callback_).Run(user_context_);
   }
 }
 
 void EncryptionMigrationScreenHandler::HandleRequestRestart() {
-  chrome::AttemptRestart();
+  DBusThreadManager::Get()->GetPowerManagerClient()->RequestRestart();
 }
 
 void EncryptionMigrationScreenHandler::UpdateUIState(UIState state) {
   if (state == current_ui_state_)
     return;
 
   current_ui_state_ = state;
   CallJS("setUIState", static_cast<int>(state));
 
   // When this handler is about to show the READY screen, we should get the
@@ skipping 94 matching lines @@
   switch (status) {
     case cryptohome::DIRCRYPTO_MIGRATION_INITIALIZING:
       UpdateUIState(UIState::MIGRATING);
       break;
     case cryptohome::DIRCRYPTO_MIGRATION_IN_PROGRESS:
       UpdateUIState(UIState::MIGRATING);
       CallJS("setMigrationProgress", static_cast<double>(current) / total);
       break;
     case cryptohome::DIRCRYPTO_MIGRATION_SUCCESS:
       // Restart immediately after successful migration.
-      chrome::AttemptRestart();
+      DBusThreadManager::Get()->GetPowerManagerClient()->RequestRestart();
       break;
     case cryptohome::DIRCRYPTO_MIGRATION_FAILED:
       UpdateUIState(UIState::MIGRATION_FAILED);
       // Stop listening to the progress updates.
       DBusThreadManager::Get()
           ->GetCryptohomeClient()
           ->SetDircryptoMigrationProgressHandler(
               CryptohomeClient::DircryptoMigrationProgessHandler());
       break;
     default:
       break;
   }
 }
 
 void EncryptionMigrationScreenHandler::OnMigrationRequested(bool success) {
   // This function is called when MigrateToDircrypto is correctly requested.
   // It does not mean that the migration is completed. We should know the
   // completion by DircryptoMigrationProgressHandler. success == false means a
   // failure in DBus communication.
   // TODO(fukino): Handle this case. Should we retry or restart?
   DCHECK(success);
 }
 
 }  // namespace chromeos