[ObjC ARC] Converts ios/chrome/browser/payments:payments to ARC.

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/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/strings/grit/components_strings.h"
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/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
+
 namespace payment_request_util {
 
 NSString* NameLabelFromAutofillProfile(autofill::AutofillProfile* profile) {
   return base::SysUTF16ToNSString(
       profile->GetInfo(autofill::AutofillType(autofill::NAME_FULL),
                        GetApplicationContext()->GetApplicationLocale()));
 }
 
 NSString* AddressLabelFromAutofillProfile(autofill::AutofillProfile* profile) {
   // Name, company, and country are not included in the shipping address label.
@@ skipping 135 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