[autofill] Add support for PSL domain matching for password autofill.

components/autofill/browser/autofill_external_delegate.cc

Index: components/autofill/browser/autofill_external_delegate.cc
diff --git a/components/autofill/browser/autofill_external_delegate.cc b/components/autofill/browser/autofill_external_delegate.cc
index d5ac726fb44f465fe6f92de4a748b3f5b2c9f2ff..4e1cac20efcad9b5982fec2f6dfc746f9d8a9179 100644
--- a/components/autofill/browser/autofill_external_delegate.cc
+++ b/components/autofill/browser/autofill_external_delegate.cc
@@ -145,6 +145,7 @@ void AutofillExternalDelegate::OnSuggestionsReturned(
 
 void AutofillExternalDelegate::OnShowPasswordSuggestions(
     const std::vector<base::string16>& suggestions,
+    const std::vector<base::string16>& realms,
     const FormFieldData& field,
     const gfx::RectF& element_bounds) {
   autofill_query_field_ = field;
@@ -162,7 +163,7 @@ void AutofillExternalDelegate::OnShowPasswordSuggestions(
       element_bounds_,
       autofill_query_field_.text_direction,
       suggestions,
-      empty,
+      realms,
       empty,
       password_ids,
       GetWeakPtr());