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

components/payments/core/payment_request_data_util.h

 // Copyright 2017 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.
 
 #ifndef COMPONENTS_PAYMENTS_CORE_PAYMENT_REQUEST_DATA_UTIL_H_
 #define COMPONENTS_PAYMENTS_CORE_PAYMENT_REQUEST_DATA_UTIL_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/strings/string16.h"
+#include "components/autofill/core/browser/credit_card.h"
 
 namespace autofill {
 class AutofillProfile;
-class CreditCard;
 }  // namespace autofill
 
 namespace payments {
 
 struct BasicCardResponse;
 struct PaymentAddress;
 class PaymentMethodData;
 
 namespace data_util {
 
@@ skipping 18 matching lines @@
 // that includes all networks that were specified as part of "basic-card". This
 // is used to know whether to return the card network name (e.g., "visa") or
 // "basic-card" in the PaymentResponse. |method_data.supported_networks| is
 // expected to only contain basic-card card network names (the list is at
 // https://www.w3.org/Payments/card-network-ids).
 void ParseBasicCardSupportedNetworks(
     const std::vector<PaymentMethodData>& method_data,
     std::vector<std::string>* out_supported_networks,
     std::set<std::string>* out_basic_card_supported_networks);
 
+// Parses the supported card types (e.g., credit, debit, prepaid) from
+// supportedTypes. |out_supported_card_types_set| is expected to be empty. It
+// will always contain autofill::CreditCard::CARD_TYPE_UNKNOWN after the call.
+// Also, it gets filled with all of the card types if supportedTypes is empty.
+void ParseSupportedCardTypes(
+    const std::vector<PaymentMethodData>& method_data,
+    std::set<autofill::CreditCard::CardType>* out_supported_card_types_set);
+
 // Returns the phone number from the given |profile| formatted for display.
 base::string16 GetFormattedPhoneNumberForDisplay(
     const autofill::AutofillProfile& profile,
     const std::string& locale);
 
 // Formats the given number |phone_number| to
 // i18n::phonenumbers::PhoneNumberUtil::PhoneNumberFormat::INTERNATIONAL format
 // by using i18n::phonenumbers::PhoneNumberUtil::Format.
 std::string FormatPhoneForDisplay(const std::string& phone_number,
                                   const std::string& country_code);
@@ skipping 14 matching lines @@
 // Returns a country code to be used when validating this profile. If the
 // profile has a valid country code set, it is returned. If not, a country code
 // associated with |app_locale| is used as a fallback.
 std::string GetCountryCodeWithFallback(const autofill::AutofillProfile* profile,
                                        const std::string& app_locale);
 
 }  // namespace data_util
 }  // namespace payments
 
 #endif  // COMPONENTS_PAYMENTS_CORE_PAYMENT_REQUEST_DATA_UTIL_H_