Do not autofill element when there is no autofill suggestion from profile

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 8bceedd686b0bc8d9a61a4f6bee5dcdac12f4ca8..8876f0048cacbe07f4fce942bc55b0bbab1c7a46 100644
--- a/components/autofill/core/browser/autofill_manager.cc
+++ b/components/autofill/core/browser/autofill_manager.cc
@@ -580,6 +580,11 @@ void AutofillManager::FillOrPreviewForm(
         // user edits an autofilled field (for metrics).
         form_structure->field(i)->is_autofilled = true;
 
+        // Mark the field as autofilled when a non-empty value is assigned to
+        // it. This allows the renderer to distinguish autofilled fields from
+        // fields with non-empty values, such as select-one fields.
+        result.fields[i].is_autofilled = true;
+
         if (should_notify)
           manager_delegate_->DidFillOrPreviewField(value, profile_full_name);
       }