Add more detailed UMA reporting on enrollment errors.

components/policy/core/common/cloud/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 COMPONENTS_POLICY_CORE_COMMON_CLOUD_ENTERPRISE_METRICS_H_
 #define COMPONENTS_POLICY_CORE_COMMON_CLOUD_ENTERPRISE_METRICS_H_
 
 #include "components/policy/policy_export.h"
 
 namespace policy {
@@ skipping 167 matching lines @@
   // Enrollment failed because the administrator has deprovisioned the device.
   kMetricEnrollmentDeprovisioned = 22,
   // Enrollment failed because the device doesn't belong to the domain.
   kMetricEnrollmentDomainMismatch = 23,
   // Enrollment has been triggered, the credential screen has been shown.
   kMetricEnrollmentTriggered = 24,
   // The user retried to submitted credentials.
   kMetricEnrollmentRetried = 25,
   // Enrollment failed because DM token and device ID couldn't be stored.
   kMetricEnrollmentStoreTokenAndIdFailed = 26,
+  // Enrollment failed because FRE state keys couldn't be obtained.
+  kMetricEnrollmentNoStateKeys = 27,
+  // Enrollment failed because policy couldn't be validated.
+  kMetricEnrollmentPolicyValidationFailed = 28,
+  // Enrollment failed because of error in CloudPolicyStore.
+  kMetricEnrollmentCloudPolicyStoreError = 29,
+  // Enrollment failed because device couldn't be locked.
+  kMetricEnrollmentLockBackendError = 30,
 
   kMetricEnrollmentSize  // Must be the last.
 };
 
 // Events related to policy refresh.
 // This enum is used to define the buckets for an enumerated UMA histogram.
 // Hence,
 //   (a) existing enumerated constants should never be deleted or reordered, and
 //   (b) new constants should only be appended at the end of the enumeration.
 enum MetricPolicyRefresh {
@@ skipping 40 matching lines @@
 POLICY_EXPORT extern const char kMetricToken[];
 POLICY_EXPORT extern const char kMetricPolicy[];
 POLICY_EXPORT extern const char kMetricEnrollment[];
 POLICY_EXPORT extern const char kMetricEnrollmentRecovery[];
 POLICY_EXPORT extern const char kMetricPolicyRefresh[];
 POLICY_EXPORT extern const char kMetricPolicyInvalidations[];
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_CLOUD_ENTERPRISE_METRICS_H_