[Payment Request] Address edit view controller (Part 2)

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 <memory>
 #include <set>
 #include <string>
@@ skipping 52 matching lines @@
   bool request_payer_phone() const override;
   bool request_payer_email() const override;
   payments::PaymentShippingType shipping_type() const override;
 
   // Returns the payments::CurrencyFormatter instance for this PaymentRequest.
   // Note: Having multiple currencies per PaymentRequest flow is not supported;
   // hence the CurrencyFormatter is cached here.
   payments::CurrencyFormatter* GetOrCreateCurrencyFormatter();
 
   // Returns the autofill::RegionDataLoader instance for this PaymentRequest.
-  autofill::RegionDataLoader* GetRegionDataLoader();
+  virtual autofill::RegionDataLoader* GetRegionDataLoader();
 
   // Returns the available autofill profiles for this user to be used as
   // shipping profiles.
   const std::vector<autofill::AutofillProfile*>& shipping_profiles() const {
     return shipping_profiles_;
   }
 
   // Returns the currently selected shipping profile for this PaymentRequest
   // flow if there is one. Returns nullptr if there is no selected profile.
   autofill::AutofillProfile* selected_shipping_profile() const {
@@ skipping 128 matching lines @@
   // A vector of pointers to the shipping options in |web_payment_request_|.
   std::vector<web::PaymentShippingOption*> shipping_options_;
   web::PaymentShippingOption* selected_shipping_option_;
 
   payments::PaymentsProfileComparator profile_comparator_;
 
   DISALLOW_COPY_AND_ASSIGN(PaymentRequest);
 };
 
 #endif  // IOS_CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_H_