Re-enable MIR card issuer network in web payments.

components/payments/payment_request.mojom

 // 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.
 
 [JavaPackage="org.chromium.payments.mojom"]
 module payments.mojom;
 
 // The shipping address that the browser process provides to the renderer
 // process. Built either by the browser or a payment app.
 struct PaymentAddress {
@@ skipping 117 matching lines @@
   string? key;
   string? value;
 };
 
 enum BasicCardNetwork {
   AMEX,
   DINERS,
   DISCOVER,
   JCB,
   MASTERCARD,
+  MIR,
   UNIONPAY,
   VISA
 };
 
 enum BasicCardType {
   CREDIT,
   DEBIT,
   PREPAID
 };
 
@@ skipping 65 matching lines @@
   Init(PaymentRequestClient client,
        array<PaymentMethodData> methodData,
        PaymentDetails details,
        PaymentOptions options);
   Show();
   UpdateWith(PaymentDetails details);
   Abort();
   Complete(PaymentComplete result);
   CanMakePayment();
 };