Add a screen to migrate filesystem encryption from eCryptfs to ext4 crypto.

chrome/browser/ui/webui/chromeos/login/oobe_ui.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 20 matching lines @@
 namespace chromeos {
 class AppLaunchSplashScreenView;
 class ArcKioskSplashScreenView;
 class ArcTermsOfServiceScreenView;
 class AutoEnrollmentCheckScreenView;
 class BaseScreenHandler;
 class ControllerPairingScreenView;
 class CoreOobeView;
 class DeviceDisabledScreenView;
 class EnableDebuggingScreenView;
+class EncryptionMigrationScreenView;
 class EnrollmentScreenView;
 class EulaView;
 class ErrorScreen;
 class GaiaView;
 class HIDDetectionView;
 class HostPairingScreenView;
 class KioskAppMenuHandler;
 class KioskAutolaunchScreenView;
 class KioskEnableScreenView;
 class LoginScreenContext;
@@ skipping 56 matching lines @@
   ErrorScreen* GetErrorScreen();
   WrongHWIDScreenView* GetWrongHWIDScreenView();
   AutoEnrollmentCheckScreenView* GetAutoEnrollmentCheckScreenView();
   SupervisedUserCreationScreenHandler* GetSupervisedUserCreationScreenView();
   AppLaunchSplashScreenView* GetAppLaunchSplashScreenView();
   ArcKioskSplashScreenView* GetArcKioskSplashScreenView();
   HIDDetectionView* GetHIDDetectionView();
   ControllerPairingScreenView* GetControllerPairingScreenView();
   HostPairingScreenView* GetHostPairingScreenView();
   DeviceDisabledScreenView* GetDeviceDisabledScreenView();
+  EncryptionMigrationScreenView* GetEncryptionMigrationScreenView();
   GaiaView* GetGaiaScreenView();
   UserBoardView* GetUserBoardView();
 
   // ShutdownPolicyHandler::Delegate
   void OnShutdownPolicyChanged(bool reboot_on_shutdown) override;
 
   // Collects localized strings from the owned handlers.
   void GetLocalizedStrings(base::DictionaryValue* localized_strings);
 
   // Initializes the handlers.
@@ skipping 115 matching lines @@
   // Store the deferred JS calls before the screen handler instance is
   // initialized.
   std::unique_ptr<JSCallsContainer> js_calls_container;
 
   DISALLOW_COPY_AND_ASSIGN(OobeUI);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_