[Payments] Normalize Shipping Address sent to merchant on Desktop.

components/autofill/core/browser/autofill_data_util.h

 // 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.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DATA_UTIL_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DATA_UTIL_H_
 
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
 #include "components/autofill/core/browser/autofill_profile.h"
@@ skipping 38 matching lines @@
 
 // Returns the Payment Request API basic card payment spec data for the provided
 // autofill credit card |type|.  Will set the type and the icon to "generic" for
 // any unrecognized type.
 const PaymentRequestData& GetPaymentRequestData(const std::string& type);
 
 // Returns the autofill credit card type string for the provided Payment Request
 // API basic card payment spec |type|.
 const char* GetCardTypeForBasicCardPaymentType(const std::string& type);
 
+// Returns whether the specified |country_code| is a valid country code.
+bool IsValidCountryCode(const std::string& country_code);
+bool IsValidCountryCode(const base::string16& country_code);
+
 }  // namespace data_util
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DATA_UTIL_H_