Selected shipping option in payment summary view + shipping option selection view

ios/chrome/browser/payments/payment_request_coordinator.h

Index: ios/chrome/browser/payments/payment_request_coordinator.h
diff --git a/ios/chrome/browser/payments/payment_request_coordinator.h b/ios/chrome/browser/payments/payment_request_coordinator.h
index c89714dae96464e28b21d31e2d4344ae658bfd57..e3a7ceb6d83549492b5f737278db077c5c1390bc 100644
--- a/ios/chrome/browser/payments/payment_request_coordinator.h
+++ b/ios/chrome/browser/payments/payment_request_coordinator.h
@@ -12,6 +12,7 @@
 #import "ios/chrome/browser/payments/payment_method_selection_coordinator.h"
 #import "ios/chrome/browser/payments/payment_request_view_controller.h"
 #import "ios/chrome/browser/payments/shipping_address_selection_coordinator.h"
+#import "ios/chrome/browser/payments/shipping_option_selection_coordinator.h"
 #include "ios/web/public/payments/payment_request.h"
 
 namespace autofill {
@@ -34,7 +35,8 @@ class PersonalDataManager;
     : ChromeCoordinator<PaymentRequestViewControllerDelegate,
                         PaymentItemsDisplayCoordinatorDelegate,
                         PaymentMethodSelectionCoordinatorDelegate,
-                        ShippingAddressSelectionCoordinatorDelegate>
+                        ShippingAddressSelectionCoordinatorDelegate,
+                        ShippingOptionSelectionCoordinatorDelegate>
 
 // Creates a Payment Request coordinator that will present UI on
 // |viewController| using data available from |personalDataManager|.
@@ -66,6 +68,10 @@ class PersonalDataManager;
 @property(nonatomic, readonly)
     autofill::AutofillProfile* selectedShippingAddress;
 
+// The currently selected shipping option, if any.
+@property(nonatomic, readonly)
+    web::PaymentShippingOption* selectedShippingOption;
+
 // The payment method selected by the user, if any.
 @property(nonatomic, readonly) autofill::CreditCard* selectedPaymentMethod;