Allow re-enrollment to the same domain in case of policy data loss.

chrome/browser/policy/enterprise_metrics.h

 // Copyright (c) 2012 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_POLICY_ENTERPRISE_METRICS_H_
 #define CHROME_BROWSER_POLICY_ENTERPRISE_METRICS_H_
 #pragma once
 
 namespace policy {
 
@@ skipping 126 matching lines @@
   kMetricEnrollmentAutoOK,
   // Enrollment failed because the enrollment mode was not supplied by the
   // DMServer or the mode is not known to the client.
   kMetricEnrollmentInvalidEnrollmentMode,
   // Auto-enrollment is not supported for the mode supplied by the server.
   // This presently means trying to auto-enroll in kiosk mode.
   kMetricEnrollmentAutoEnrollmentNotSupported,
   // The lockbox initialization has taken too long to complete and the
   // enrollment has been canceled because of that.
   kMetricLockboxTimeoutError,
+  // The username used to re-enroll the device does not belong to the domain
+  // that the device was initially enrolled to.
+  kMetricEnrollmentWrongUserError,
 
   kMetricEnrollmentSize  // Must be the last.
 };
 
 // Names for the UMA counters. They are shared from here since the events
 // from the same enum above can be triggered in different files, and must use
 // the same UMA histogram name.
 extern const char* kMetricToken;
 extern const char* kMetricPolicy;
 extern const char* kMetricEnrollment;
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_ENTERPRISE_METRICS_H_