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

components/payments/content/payment_request_spec.cc

 // 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.
 
 #include "components/payments/content/payment_request_spec.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 168 matching lines @@
     // (credit, debit).
     for (const mojom::BasicCardNetwork& network :
          method_data_entry->supported_networks) {
       method_data.supported_networks.push_back(
           GetBasicCardNetworkName(network));
     }
     for (const mojom::BasicCardType& type :
          method_data_entry->supported_types) {
       autofill::CreditCard::CardType card_type = GetBasicCardType(type);
       method_data.supported_types.insert(card_type);
-      supported_card_types_set_.insert(card_type);
     }
 
     method_data_vector.push_back(std::move(method_data));
   }
 
-  // TODO(rouslan): Parse card types (credit, debit, prepaid) in data_util, so
-  // iOS can use it as well. http://crbug.com/602665
   data_util::ParseBasicCardSupportedNetworks(method_data_vector,
                                              &supported_card_networks_,
                                              &basic_card_specified_networks_);
   supported_card_networks_set_.insert(supported_card_networks_.begin(),
                                       supported_card_networks_.end());
 
-  // Omitting the card types means all 3 card types are supported.
-  if (supported_card_types_set_.empty()) {
-    supported_card_types_set_.insert(autofill::CreditCard::CARD_TYPE_CREDIT);
-    supported_card_types_set_.insert(autofill::CreditCard::CARD_TYPE_DEBIT);
-    supported_card_types_set_.insert(autofill::CreditCard::CARD_TYPE_PREPAID);
-  }
-
-  // Let the user decide whether an unknown card type should be used.
-  supported_card_types_set_.insert(autofill::CreditCard::CARD_TYPE_UNKNOWN);
+  data_util::ParseSupportedCardTypes(method_data_vector,
+                                     &supported_card_types_set_);
 }
 
 void PaymentRequestSpec::UpdateSelectedShippingOption(bool after_update) {
   if (!request_shipping())
     return;
 
   selected_shipping_option_ = nullptr;
   selected_shipping_option_error_.clear();
   if (details().shipping_options.empty()) {
     // No options are provided by the merchant.
@@ skipping 50 matching lines @@
   // return the cached version.
   std::pair<std::map<std::string, CurrencyFormatter>::iterator, bool>
       emplace_result = currency_formatters_.emplace(
           std::piecewise_construct, std::forward_as_tuple(currency_code),
           std::forward_as_tuple(currency_code, currency_system, locale_name));
 
   return &(emplace_result.first->second);
 }
 
 }  // namespace payments