Fix update and enrollment flow

components/pairing/host_pairing_controller.h

 // 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.
 
 #ifndef COMPONENTS_PAIRING_HOST_PAIRING_CONTROLLER_H_
 #define COMPONENTS_PAIRING_HOST_PAIRING_CONTROLLER_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 16 matching lines @@
     STAGE_FINISHED
   };
 
   enum UpdateStatus {
     UPDATE_STATUS_UNKNOWN,
     UPDATE_STATUS_UPDATING,
     UPDATE_STATUS_REBOOTING,
     UPDATE_STATUS_UPDATED,
   };
 
+  enum EnrollmentStatus {
+    ENROLLMENT_STATUS_UNKNOWN,
+    ENROLLMENT_STATUS_ENROLLING,
+    ENROLLMENT_STATUS_FAILURE,
+    ENROLLMENT_STATUS_SUCCESS,
+  };
+
   class Observer {
    public:
     Observer();
     virtual ~Observer();
 
     // Called when pairing has moved on from one stage to another.
     virtual void PairingStageChanged(Stage new_stage) = 0;
 
     // Called when the controller has sent a configuration to apply.
     virtual void ConfigureHost(bool accepted_eula,
@@ skipping 26 matching lines @@
   virtual std::string GetConfirmationCode() = 0;
 
   // Returns an enrollment domain name. Can be called on stage
   // |STAGE_ENROLLMENT| and later.
   virtual std::string GetEnrollmentDomain() = 0;
 
   // Notify that the update status has changed.
   // Can be called on stage |STAGE_UPDATING|.
   virtual void OnUpdateStatusChanged(UpdateStatus update_status) = 0;
 
-  // Called when enrollment has completed.
-  virtual void SetEnrollmentComplete(bool success) = 0;
+  // Notify that enrollment status has changed.
+  // Can be called on stage |STAGE_WAITING_FOR_CREDENTIALS|.
+  virtual void OnEnrollmentStatusChanged(
+      EnrollmentStatus enrollment_status) = 0;
 
   virtual void AddObserver(Observer* observer) = 0;
   virtual void RemoveObserver(Observer* observer) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HostPairingController);
 };
 
 }  // namespace pairing_chromeos
 
 #endif  // COMPONENTS_PAIRING_HOST_PAIRING_CONTROLLER_H_