rAc: Wallet: UMA for wallet response codes.

components/autofill/core/browser/autofill_metrics.cc

 // Copyright 2013 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 "components/autofill/core/browser/autofill_metrics.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
+#include "base/metrics/sparse_histogram.h"
 #include "base/time/time.h"
 #include "components/autofill/core/browser/autofill_type.h"
 #include "components/autofill/core/browser/form_structure.h"
 #include "components/autofill/core/common/form_data.h"
 
 namespace autofill {
 
 namespace {
 
 // Server experiments we support.
@@ skipping 360 matching lines @@
   LogUMAHistogramTimes("Wallet.ApiCallDuration." +
                        WalletApiMetricToString(metric), duration);
 }
 
 void AutofillMetrics::LogWalletRequiredActionMetric(
       WalletRequiredActionMetric required_action) const {
   UMA_HISTOGRAM_ENUMERATION("RequestAutocomplete.WalletRequiredActions",
                             required_action, NUM_WALLET_REQUIRED_ACTIONS);
 }
 
+void AutofillMetrics::LogWalletResponseCode(int response_code) const {
+  UMA_HISTOGRAM_SPARSE_SLOWLY("Wallet.ResponseCode", response_code);
+}
+
 void AutofillMetrics::LogDeveloperEngagementMetric(
     DeveloperEngagementMetric metric) const {
   DCHECK_LT(metric, NUM_DEVELOPER_ENGAGEMENT_METRICS);
 
   UMA_HISTOGRAM_ENUMERATION("Autofill.DeveloperEngagement", metric,
                             NUM_DEVELOPER_ENGAGEMENT_METRICS);
 }
 
 void AutofillMetrics::LogHeuristicTypePrediction(
     FieldTypeQualityMetric metric,
@@ skipping 105 matching lines @@
     const std::string& experiment_id) const {
   LogServerExperimentId("Autofill.ServerExperimentId.Query", experiment_id);
 }
 
 void AutofillMetrics::LogServerExperimentIdForUpload(
     const std::string& experiment_id) const {
   LogServerExperimentId("Autofill.ServerExperimentId.Upload", experiment_id);
 }
 
 }  // namespace autofill