[WebPayments] Disabling done button when form invalid

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

Index: chrome/browser/ui/views/payments/contact_info_editor_view_controller.cc
diff --git a/chrome/browser/ui/views/payments/contact_info_editor_view_controller.cc b/chrome/browser/ui/views/payments/contact_info_editor_view_controller.cc
index f500fd02f1d56f920f0d4686e7e3f531d6c0637b..dbdbda3feacbe1ad228c071e8cad1ecf6822ebc0 100644
--- a/chrome/browser/ui/views/payments/contact_info_editor_view_controller.cc
+++ b/chrome/browser/ui/views/payments/contact_info_editor_view_controller.cc
@@ -125,16 +125,6 @@ base::string16 ContactInfoEditorViewController::GetSheetTitle() {
                                 IDS_PAYMENTS_ADD_CONTACT_DETAILS_LABEL);
 }
 
-bool ContactInfoEditorViewController::ValidateModel() {
-  for (const auto& field : text_fields()) {
-    // Force a blur, as validation only occurs after the first blur.
-    field.first->OnBlur();
-    if (field.first->invalid())
-      return false;
-  }
-  return true;
-}
-
 void ContactInfoEditorViewController::PopulateProfile(
     autofill::AutofillProfile* profile) {
   for (const auto& field : text_fields()) {