Separate UMA histograms for user and device policy invalidation

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 221 matching lines @@
   POLICY_INVALIDATION_TYPE_SIZE  // 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.
 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[];
+POLICY_EXPORT extern const char kMetricUserPolicyRefresh[];
+POLICY_EXPORT extern const char kMetricUserPolicyInvalidations[];
+POLICY_EXPORT extern const char kMetricDevicePolicyRefresh[];
+POLICY_EXPORT extern const char kMetricDevicePolicyInvalidations[];
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_CLOUD_ENTERPRISE_METRICS_H_