Processing USERNAME reply from Autofill server in Password Manager

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 b87f56050d2500278d13ccf0540204d00484bdad..2e79535b8d8f66cae244a6a3719425884210bac3 100644
--- a/components/autofill/core/browser/autofill_metrics.cc
+++ b/components/autofill/core/browser/autofill_metrics.cc
@@ -35,6 +35,7 @@ enum FieldTypeGroupForMetrics {
   GROUP_CREDIT_CARD_TYPE,
   GROUP_PASSWORD,
   GROUP_ADDRESS_LINE_3,
+  GROUP_USERNAME,
   NUM_FIELD_TYPE_GROUPS_FOR_METRICS
 };
 
@@ -153,6 +154,10 @@ int GetFieldTypeGroupMetric(ServerFieldType field_type,
       group = GROUP_PASSWORD;
       break;
 
+    case USERNAME_FIELD:
+      group = GROUP_USERNAME;
+      break;
+
     case TRANSACTION:
       NOTREACHED();
       break;