Create OOBE screen for Waiting for Container ready

chrome/browser/chromeos/login/wizard_controller.h

Index: chrome/browser/chromeos/login/wizard_controller.h
diff --git a/chrome/browser/chromeos/login/wizard_controller.h b/chrome/browser/chromeos/login/wizard_controller.h
index e39bdd64584d0c37d9aecaa8cb0742c32b9a9b46..20d66f63139af01f42ab1282f6c804e15478693e 100644
--- a/chrome/browser/chromeos/login/wizard_controller.h
+++ b/chrome/browser/chromeos/login/wizard_controller.h
@@ -153,6 +153,7 @@ class WizardController : public BaseScreenDelegate,
   void ShowDeviceDisabledScreen();
   void ShowEncryptionMigrationScreen();
   void ShowVoiceInteractionValuePropScreen();
+  void ShowWaitForContainerReadyScreen();
 
   // Shows images login screen.
   void ShowLoginScreen(const LoginScreenContext& context);
@@ -182,6 +183,7 @@ class WizardController : public BaseScreenDelegate,
   void OnVoiceInteractionValuePropAccepted();
   void OnControllerPairingFinished();
   void OnAutoEnrollmentCheckCompleted();
+  void OnWaitForContainerReadyFinished();
   void OnOobeFlowFinished();
 
   // Callback invoked once it has been determined whether the device is disabled