[Payment Request] Error message screen

ios/chrome/browser/payments/payment_method_selection_coordinator.mm

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/chrome/browser/payments/payment_method_selection_coordinator.h"
 
 #include "components/autofill/core/browser/credit_card.h"
 #include "ios/chrome/browser/payments/payment_request.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 @interface PaymentMethodSelectionCoordinator ()
+
 @property(nonatomic, strong)
     PaymentMethodSelectionViewController* viewController;
 
 // Called when the user selects a payment method. The cell is checked, the
 // UI is locked so that the user can't interact with it, then the delegate is
 // notified. The delay is here to let the user get a visual feedback of the
 // selection before this view disappears.
 - (void)delayedNotifyDelegateOfSelection:(autofill::CreditCard*)paymentMethod;
 
 @end
@@ skipping 47 matching lines @@
                      return;
 
                    strongSelf.viewController.view.userInteractionEnabled = YES;
                    [strongSelf.delegate
                        paymentMethodSelectionCoordinator:strongSelf
                                   didSelectPaymentMethod:paymentMethod];
                  });
 }
 
 @end