[Payment Request] Payment request summary view pending state

ios/chrome/browser/payments/payment_request_view_controller.h

Index: ios/chrome/browser/payments/payment_request_view_controller.h
diff --git a/ios/chrome/browser/payments/payment_request_view_controller.h b/ios/chrome/browser/payments/payment_request_view_controller.h
index f28ab1f9a7e0cd555291960d5de510b5a57d5fa9..053b28e9bd6550fe0d9aaa261c03d3b9a2607b6b 100644
--- a/ios/chrome/browser/payments/payment_request_view_controller.h
+++ b/ios/chrome/browser/payments/payment_request_view_controller.h
@@ -57,6 +57,9 @@ extern NSString* const kPaymentRequestCollectionViewId;
 // The host of the page invoking the Payment Request API.
 @property(nonatomic, copy) NSString* pageHost;
 
+// Whether or not the view is in a pending state.
+@property(nonatomic, assign, getter=isPending) BOOL pending;
+
 // The delegate to be notified when the user confirms or cancels the request.
 @property(nonatomic, weak) id<PaymentRequestViewControllerDelegate> delegate;