[WebPayments] Disabling done button when form invalid

chrome/browser/ui/views/payments/credit_card_editor_view_controller.cc

Index: chrome/browser/ui/views/payments/credit_card_editor_view_controller.cc
diff --git a/chrome/browser/ui/views/payments/credit_card_editor_view_controller.cc b/chrome/browser/ui/views/payments/credit_card_editor_view_controller.cc
index b69c0e3f5f66f9c6c0fc2104b1e7c0732863e5e8..ad3e26a6289309cd84eb446189dc4c43570010e5 100644
--- a/chrome/browser/ui/views/payments/credit_card_editor_view_controller.cc
+++ b/chrome/browser/ui/views/payments/credit_card_editor_view_controller.cc
@@ -390,21 +390,19 @@ bool CreditCardEditorViewController::ValidateModelAndSave() {
   autofill::CreditCard credit_card;
   credit_card.set_origin(autofill::kSettingsOrigin);
 
+  if (!ValidateInputFields())
+    return false;
+
   for (const auto& field : text_fields()) {
     // ValidatingTextfield* is the key, EditorField is the value.
     DCHECK_EQ(autofill::CREDIT_CARD,
               autofill::AutofillType(field.second.type).group());
-    if (field.first->invalid())
-      return false;
-
     credit_card.SetInfo(autofill::AutofillType(field.second.type),
                         field.first->text(), locale);
   }
   for (const auto& field : comboboxes()) {
     // ValidatingCombobox* is the key, EditorField is the value.
     ValidatingCombobox* combobox = field.first;
-    if (combobox->invalid())
-      return false;
 
     if (field.second.type == kBillingAddressType) {
       autofill::AddressComboboxModel* model =