rAc: Wallet: UMA for wallet response codes.

components/autofill/core/browser/autofill_metrics.cc

Index: components/autofill/core/browser/autofill_metrics.cc
diff --git a/components/autofill/core/browser/autofill_metrics.cc b/components/autofill/core/browser/autofill_metrics.cc
index 98df16d648a07ede8d0e1a7c9d4bc5b07318dc24..e4ad366b87d88132b59e026f2737cf941279fb44 100644
--- a/components/autofill/core/browser/autofill_metrics.cc
+++ b/components/autofill/core/browser/autofill_metrics.cc
@@ -6,6 +6,7 @@
 
 #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"
@@ -386,6 +387,10 @@ void AutofillMetrics::LogWalletRequiredActionMetric(
                             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);