[Payments] Desktop: Error message in the dialog.

chrome/browser/payments/chrome_payment_request_delegate.cc

Index: chrome/browser/payments/chrome_payment_request_delegate.cc
diff --git a/chrome/browser/payments/chrome_payment_request_delegate.cc b/chrome/browser/payments/chrome_payment_request_delegate.cc
index 72544464f1ad755fad9826034499e9cde167a7d4..236cbcafac571a481bce53918da107408935a129 100644
--- a/chrome/browser/payments/chrome_payment_request_delegate.cc
+++ b/chrome/browser/payments/chrome_payment_request_delegate.cc
@@ -31,6 +31,11 @@ void ChromePaymentRequestDelegate::CloseDialog() {
   }
 }
 
+void ChromePaymentRequestDelegate::ShowErrorMessage() {
+  if (dialog_)
+    dialog_->ShowErrorMessage();
+}
+
 autofill::PersonalDataManager*
 ChromePaymentRequestDelegate::GetPersonalDataManager() {
   return autofill::PersonalDataManagerFactory::GetForProfile(