Add currencySystem field to PaymentCurrencyAmount

third_party/WebKit/Source/modules/payments/PaymentsValidators.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 PaymentsValidators_h
 #define PaymentsValidators_h
 
 #include "modules/ModulesExport.h"
 #include "public/platform/modules/payments/payment_request.mojom-blink.h"
 #include "wtf/Allocator.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class MODULES_EXPORT PaymentsValidators final {
   STATIC_ONLY(PaymentsValidators);
 
  public:
   // The most common identifiers are three-letter alphabetic codes as defined by
-  // [ISO4217] (for example, "USD" for US Dollars) however any string of at most
-  // 2048 characters is considered valid. Returns false if currency |code| is
-  // too long (greater than 2048).
+  // [ISO4217] (for example, "USD" for US Dollars). |system| is a URL that
+  // indicates the currency system that the currency identifier belongs to. By
+  // default, the value is urn:iso:std:iso:4217 indicating that currency is
+  // defined by [[ISO4217]], however any string of at most 2048 characters is
+  // considered valid in other currencySystem. Returns false if currency |code|
+  // is too long (greater than 2048).
   static bool isValidCurrencyCodeFormat(const String& code,
+                                        const String& system,
                                         String* optionalErrorMessage);
 
   // Returns true if |amount| is a valid currency code as defined in ISO 20022
   // CurrencyAnd30Amount.
   static bool isValidAmountFormat(const String& amount,
                                   String* optionalErrorMessage);
 
   // Returns true if |code| is a valid ISO 3166 country code.
   static bool isValidCountryCodeFormat(const String& code,
                                        String* optionalErrorMessage);
@@ skipping 15 matching lines @@
                                      String* optionalErrorMessage);
 
   // Returns false if |error| is too long (greater than 2048).
   static bool isValidErrorMsgFormat(const String& code,
                                     String* optionalErrorMessage);
 };
 
 }  // namespace blink
 
 #endif  // PaymentsValidators_h