[Payments] base::string16 -> std::string in PaymentMethodData

ios/chrome/browser/payments/payment_request_util.mm

 // 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.
 
 #import "ios/chrome/browser/payments/payment_request_util.h"
 
 #include "base/strings/string16.h"
 #include "base/strings/string_split.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/field_types.h"
 #include "components/autofill/core/browser/personal_data_manager.h"
-#include "components/payments/core/payment_method_data.h"
 #include "components/strings/grit/components_strings.h"
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/payments/payment_request.h"
 #include "ios/web/public/payments/payment_request.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
@@ skipping 129 matching lines @@
       return l10n_util::GetNSString(IDS_PAYMENTS_UNSUPPORTED_DELIVERY_OPTION);
     case web::PaymentShippingType::PICKUP:
       return l10n_util::GetNSString(IDS_PAYMENTS_UNSUPPORTED_PICKUP_OPTION);
     default:
       NOTREACHED();
       return @"";
   }
 }
 
 }  // namespace payment_request_util