[Autofill] UKM for suggestions polled field.

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 e631f1dfd66e84505ebb6d5659c2ea3614b73846..6b67118a3549745d92f94a732d1c33490cb2b879 100644
--- a/components/autofill/core/browser/autofill_metrics.cc
+++ b/components/autofill/core/browser/autofill_metrics.cc
@@ -856,8 +856,9 @@ void AutofillMetrics::FormEventLogger::OnDidPollSuggestions(
   }
 }
 
-void AutofillMetrics::FormEventLogger::OnDidShowSuggestions() {
-  form_interactions_ukm_logger_->LogSuggestionsShown();
+void AutofillMetrics::FormEventLogger::OnDidShowSuggestions(
+    const AutofillField& field) {
+  form_interactions_ukm_logger_->LogSuggestionsShown(field);
 
   Log(AutofillMetrics::FORM_EVENT_SUGGESTIONS_SHOWN);
   if (!has_logged_suggestions_shown_) {
@@ -1063,7 +1064,8 @@ void AutofillMetrics::FormInteractionsUkmLogger::LogInteractedWithForm(
                      server_record_type_count);
 }
 
-void AutofillMetrics::FormInteractionsUkmLogger::LogSuggestionsShown() {
+void AutofillMetrics::FormInteractionsUkmLogger::LogSuggestionsShown(
+    const AutofillField& field) {
   if (!CanLog())
     return;
 
@@ -1075,6 +1077,12 @@ void AutofillMetrics::FormInteractionsUkmLogger::LogSuggestionsShown() {
                                      internal::kUKMSuggestionsShownEntryName);
   builder->AddMetric(internal::kUKMMillisecondsSinceFormParsedMetricName,
                      MillisecondsSinceFormParsed());

[csashi, 2017/05/25 08:40:33]

Move this metric to the end to be consistent with other logging?

[jiahuiguo, 2017/05/25 19:02:35]

Done.

+  builder->AddMetric(internal::kUKMHeuristicTypeMetricName,
+                     static_cast<int>(field.heuristic_type()));
+  builder->AddMetric(internal::kUKMHtmlFieldTypeMetricName,
+                     static_cast<int>(field.html_type()));
+  builder->AddMetric(internal::kUKMServerTypeMetricName,
+                     static_cast<int>(field.server_type()));
 }
 
 void AutofillMetrics::FormInteractionsUkmLogger::LogSelectedMaskedServerCard() {