[autofill] Add UKM for field type prediction quality and autofill outcome.

components/autofill/core/browser/form_structure.h

Index: components/autofill/core/browser/form_structure.h
diff --git a/components/autofill/core/browser/form_structure.h b/components/autofill/core/browser/form_structure.h
index 52fd9fbfaf47879e2e34662d01a4e86ad2deab67..c70a23a8c736c456e9665b7b506930ff008ba94b 100644
--- a/components/autofill/core/browser/form_structure.h
+++ b/components/autofill/core/browser/form_structure.h
@@ -147,7 +147,9 @@ class FormStructure {
   // Log the quality of the heuristics and server predictions for this form
   // structure, if autocomplete attributes are present on the fields (they are
   // used as golden truths).
-  void LogQualityMetricsBasedOnAutocomplete() const;
+  void LogQualityMetricsBasedOnAutocomplete(
+      AutofillMetrics::FormInteractionsUkmLogger* form_interactions_ukm_logger)
+      const;
 
   // Classifies each field in |fields_| based upon its |autocomplete| attribute,
   // if the attribute is available.  The association is stored into the field's