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 d45a37ad2c1e302e0b2c1560e7e9ed17ab6327d5..b798f1feac64d0d1a0a2e7869826152306d0c6b5 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