UMA metrics for cloud policies.

chrome/browser/policy/user_policy_cache.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/policy/user_policy_cache.h"
 
 #include <limits>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
+#include "base/metrics/histogram.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
 #include "chrome/browser/policy/cloud_policy_provider.h"
+#include "chrome/browser/policy/enterprise_metrics.h"
 #include "chrome/browser/policy/policy_map.h"
 #include "chrome/browser/policy/proto/cloud_policy.pb.h"
 #include "chrome/browser/policy/proto/device_management_local.pb.h"
 #include "chrome/browser/policy/proto/old_generic_format.pb.h"
 #include "policy/configuration_policy_type.h"
 
 namespace policy {
 
 // Decodes a CloudPolicySettings object into two maps with mandatory and
 // recommended settings, respectively. The implementation is generated code
@@ skipping 14 matching lines @@
 void UserPolicyCache::Load() {
   disk_cache_->Load();
 }
 
 void UserPolicyCache::SetPolicy(const em::PolicyFetchResponse& policy) {
   base::Time now = base::Time::NowFromSystemTime();
   set_last_policy_refresh_time(now);
   base::Time timestamp;
   if (!SetPolicyInternal(policy, &timestamp, false))
     return;
+  UMA_HISTOGRAM_ENUMERATION(kMetricPolicy, kMetricPolicyFetchOK,
+                            kMetricPolicySize);
 
   if (timestamp > base::Time::NowFromSystemTime() +
                   base::TimeDelta::FromMinutes(1)) {
     LOG(WARNING) << "Server returned policy with timestamp from the future, "
                     "not persisting to disk.";
     return;
   }
 
   em::CachedCloudPolicyResponse cached_policy;
   cached_policy.mutable_cloud_policy()->CopyFrom(policy);
@@ skipping 175 matching lines @@
       return list;
     }
     default:
       NOTREACHED() << "Unhandled value type";
   }
 
   return NULL;
 }
 
 }  // namespace policy