UMA metrics for cloud policies.

chrome/browser/policy/cloud_policy_cache_base.cc

Index: chrome/browser/policy/cloud_policy_cache_base.cc
diff --git a/chrome/browser/policy/cloud_policy_cache_base.cc b/chrome/browser/policy/cloud_policy_cache_base.cc
index 5fdf08ed3fa60c3ac5e8efd23457681e151f8e03..6491a58a9b098f5250de24f5b1726684b970544c 100644
--- a/chrome/browser/policy/cloud_policy_cache_base.cc
+++ b/chrome/browser/policy/cloud_policy_cache_base.cc
@@ -9,10 +9,13 @@
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/policy/configuration_policy_pref_store.h"
+#include "chrome/browser/policy/enterprise_metrics.h"
 #include "chrome/browser/policy/policy_notifier.h"
 
 namespace policy {
 
+namespace em = enterprise_management;
+
 // A thin ConfigurationPolicyProvider implementation sitting on top of
 // CloudPolicyCacheBase for hooking up with ConfigurationPolicyPrefStore.
 class CloudPolicyCacheBase::CloudPolicyProvider
@@ -98,6 +101,7 @@ bool CloudPolicyCacheBase::SetPolicyInternal(
                                  &temp_timestamp, &temp_public_key_version);
   if (!ok) {
     LOG(WARNING) << "Decoding policy data failed.";
+    em::LogPolicyOperation(em::kPolicyFetchInvalidPolicy);
     return false;
   }
   if (timestamp) {
@@ -106,6 +110,7 @@ bool CloudPolicyCacheBase::SetPolicyInternal(
   if (check_for_timestamp_validity &&
       temp_timestamp > base::Time::NowFromSystemTime()) {
     LOG(WARNING) << "Rejected policy data, file is from the future.";
+    em::LogPolicyOperation(em::kPolicyFetchTimestampInFuture);
     return false;
   }
   public_key_version_.version = temp_public_key_version.version;
@@ -118,6 +123,10 @@ bool CloudPolicyCacheBase::SetPolicyInternal(
   recommended_policy_.Swap(&recommended_policy);
   initialization_complete_ = true;
 
+  if (!new_policy_differs) {
+    em::LogPolicyOperation(em::kPolicyFetchNotModified);
+  }
+
   if (new_policy_differs || initialization_was_not_complete) {
     FOR_EACH_OBSERVER(ConfigurationPolicyProvider::Observer,
                       observer_list_, OnUpdatePolicy());