[Autofill] Quality metric based on autocomplete attributes.

components/autofill/core/browser/autofill_manager.cc

Index: components/autofill/core/browser/autofill_manager.cc
diff --git a/components/autofill/core/browser/autofill_manager.cc b/components/autofill/core/browser/autofill_manager.cc
index 1cfe52fd6bb092ead9c11ba88f586e6eb61b3fb7..5e1dfb04fef8283da8d8d466d82a9d93714cd65a 100644
--- a/components/autofill/core/browser/autofill_manager.cc
+++ b/components/autofill/core/browser/autofill_manager.cc
@@ -878,6 +878,11 @@ void AutofillManager::OnLoadedServerPredictions(
   FormStructure::ParseQueryResponse(std::move(response), queried_forms,
                                     client_->GetRapporService());
 
+  // Will log quality metrics for each FormStructure based on the presence of
+  // autocomplete attributes, if available.
+  for (FormStructure* cur_form : queried_forms)
+    cur_form->LogQualityMetricsBasedOnAutocomplete();
+
   // Forward form structures to the password generation manager to detect
   // account creation forms.
   driver_->PropagateAutofillPredictions(queried_forms);