Highlight fields we know to be invalid but have no way of locally checking.

chrome/browser/ui/autofill/autofill_dialog_controller.h

Index: chrome/browser/ui/autofill/autofill_dialog_controller.h
diff --git a/chrome/browser/ui/autofill/autofill_dialog_controller.h b/chrome/browser/ui/autofill/autofill_dialog_controller.h
index b0ea080ef3c62d27edf2a149e3b3075d36007b40..890e4d73bf6647bf30522005861c69992f34375b 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_controller.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_controller.h
@@ -38,8 +38,9 @@ namespace autofill {
 class AutofillDialogController {
  public:
   enum ValidationType {
-    VALIDATE_EDIT,   // validate user edits. Allow for empty fields.
-    VALIDATE_FINAL,  // Full form validation. Mandatory fields can't be empty.
+    VALIDATE_SELECT,  // Validate existing suggestions (card might've expired).
+    VALIDATE_EDIT,    // Validate user edits. Allow for empty fields.
+    VALIDATE_FINAL,   // Full form validation. Mandatory fields can't be empty.
   };
 
   // Strings -------------------------------------------------------------------