[Payment Request] supported card networks + adding a credit card.

ios/chrome/browser/payments/payment_request.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 IOS_CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_H_
 #define IOS_CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 76 matching lines @@
   void set_selected_contact_profile(autofill::AutofillProfile* profile) {
     selected_contact_profile_ = profile;
   }
 
   // Returns the available autofill profiles for this user to be used as
   // billing profiles.
   const std::vector<autofill::AutofillProfile*>& billing_profiles() const {
     return shipping_profiles_;
   }
 
+  const std::vector<std::string>& supported_card_networks() const {
+    return supported_card_networks_;
+  }
+
+  // Adds |credit_card| to the list of cached credit cards.
+  void AddCreditCard(std::unique_ptr<autofill::CreditCard> credit_card);
+
   // Returns the available autofill credit cards for this user that match a
   // supported type specified in |web_payment_request_|.
   const std::vector<autofill::CreditCard*>& credit_cards() const {
     return credit_cards_;
   }
 
   // Returns the currently selected credit card for this PaymentRequest flow if
   // there is one. Returns nullptr if there is no selected credit card.
   autofill::CreditCard* selected_credit_card() const {
     return selected_credit_card_;
@@ skipping 53 matching lines @@
 
   // Credit cards returnd by the Data Manager may change due to (e.g.)
   // sync events, meaning PaymentRequest may outlive them. Therefore, credit
   // cards are fetched once and owned here. Whenever credit cards are requested
   // a vector of pointers to these copies are returned.
   std::vector<std::unique_ptr<autofill::CreditCard>> credit_card_cache_;
 
   std::vector<autofill::CreditCard*> credit_cards_;
   autofill::CreditCard* selected_credit_card_;
 
+  // A vector of supported basic card networks.
+  std::vector<std::string> supported_card_networks_;
+
   // A vector of pointers to the shipping options in |web_payment_request_|.
   std::vector<web::PaymentShippingOption*> shipping_options_;
   web::PaymentShippingOption* selected_shipping_option_;
 
   DISALLOW_COPY_AND_ASSIGN(PaymentRequest);
 };
 
 #endif  // IOS_CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_H_