[Payment Request] Displays accepted card types (credit, debit, etc) in iOS

ios/chrome/browser/payments/payment_request.h

Index: ios/chrome/browser/payments/payment_request.h
diff --git a/ios/chrome/browser/payments/payment_request.h b/ios/chrome/browser/payments/payment_request.h
index b91b47a75569d713fc9ae123b2c881af1f9b8130..31cb1d7657a196671e9d70132cdd5ec609dc47e2 100644
--- a/ios/chrome/browser/payments/payment_request.h
+++ b/ios/chrome/browser/payments/payment_request.h
@@ -12,6 +12,7 @@
 #include <vector>
 
 #include "base/macros.h"
+#include "components/autofill/core/browser/credit_card.h"
 #include "components/payments/core/payment_options_provider.h"
 #include "components/payments/core/payment_request_base_delegate.h"
 #include "components/payments/core/payments_profile_comparator.h"
@@ -19,7 +20,6 @@
 
 namespace autofill {
 class AutofillProfile;
-class CreditCard;
 class PersonalDataManager;
 class RegionDataLoader;
 }  // namespace autofill
@@ -160,6 +160,11 @@ class PaymentRequest : public payments::PaymentOptionsProvider,
     return stringified_method_data_;
   }
 
+  const std::set<autofill::CreditCard::CardType>& supported_card_types_set()
+      const {
+    return supported_card_types_set_;
+  }
+
   // Adds |credit_card| to the list of cached credit cards, updates the list of
   // available credit cards, and returns a reference to the cached copy of
   // |credit_card|.
@@ -277,6 +282,9 @@ class PaymentRequest : public payments::PaymentOptionsProvider,
   // payment method specific data.
   std::map<std::string, std::set<std::string>> stringified_method_data_;
 
+  // The set of supported card types (e.g., credit, debit, prepaid).
+  std::set<autofill::CreditCard::CardType> supported_card_types_set_;
+
   // A vector of pointers to the shipping options in |web_payment_request_|.
   std::vector<web::PaymentShippingOption*> shipping_options_;
   web::PaymentShippingOption* selected_shipping_option_;