Fix update and enrollment flow

components/pairing/pairing_api.proto

 // 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.
 //
 // Protocol buffer definitions for Syncable FileSystem.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
 package pairing_api;
 
 message HostStatusParameters {
   enum Connectivity {
     CONNECTIVITY_UNTESTED = 0;
     CONNECTIVITY_NONE = 1;
     CONNECTIVITY_LIMITED = 2;
     CONNECTIVITY_CONNECTING = 3;
     CONNECTIVITY_CONNECTED = 4;
   }
 
   enum UpdateStatus {
     UPDATE_STATUS_UNKNOWN = 0;
     UPDATE_STATUS_UPDATING = 1;
     UPDATE_STATUS_REBOOTING = 2;
     UPDATE_STATUS_UPDATED = 3;
   }
 
+  enum EnrollmentStatus {
+    ENROLLMENT_STATUS_UNKNOWN = 0;
+    ENROLLMENT_STATUS_ENROLLING = 1;
+    ENROLLMENT_STATUS_FAILURE = 2;
+    ENROLLMENT_STATUS_SUCCESS = 3;
+  }
+
   optional string domain = 1;
   optional Connectivity connectivity = 2;
   optional UpdateStatus update_status = 3;
-  repeated string paired_controllers = 4;
+  optional EnrollmentStatus enrollment_status = 4;
+  repeated string paired_controllers = 5;
 }
 
 message HostStatus {
   optional int32 api_version = 1;
   optional HostStatusParameters parameters = 2;
 }
 
 message ConfigureHostParameters {
   optional bool accepted_eula = 1;
   optional string lang = 2;
@@ skipping 28 matching lines @@
 
 message ErrorParameters {
   optional int32 code = 1;
   optional string description = 2;
 }
 
 message Error {
   optional int32 api_version = 1;
   optional ErrorParameters parameters = 2;
 }