[Autofill] Copy attributes for the select elements as well.

components/autofill/content/renderer/form_autofill_util.cc

Index: components/autofill/content/renderer/form_autofill_util.cc
diff --git a/components/autofill/content/renderer/form_autofill_util.cc b/components/autofill/content/renderer/form_autofill_util.cc
index 51a2251258b73d0faf6bf61afbc8fec36b951d11..69529073a8a872cc7176e8846343dd80823122ca 100644
--- a/components/autofill/content/renderer/form_autofill_util.cc
+++ b/components/autofill/content/renderer/form_autofill_util.cc
@@ -1191,7 +1191,8 @@ void WebFormControlElementToFormField(const WebFormControlElement& element,
 
   const WebInputElement* input_element = toWebInputElement(&element);
   if (IsAutofillableInputElement(input_element) ||
-      IsTextAreaElement(element)) {
+      IsTextAreaElement(element) ||
+      IsSelectElement(element)) {
     field->is_autofilled = element.isAutofilled();
     field->is_focusable = element.isFocusable();
     field->should_autocomplete = element.autoComplete();