text: /*
   * Copyright 2017 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.
   */
  
  /**
   * Builds PaymentRequest for Bob Pay, but does not show any UI yet.
   *
   * @return {PaymentRequest} The PaymentRequest object.
   */
  function initPaymentRequest() {
    var supportedInstruments = [{
      supportedMethods: 'https://bobpay.com',
    }];
  
    var details = {
      total: {
        label: 'Donation',
        amount: {
          currency: 'USD',
          value: '55.00',
        },
      },
      displayItems: [
        {
          label: 'Original donation amount',
          amount: {
            currency: 'USD',
            value: '65.00',
          },
        },
        {
          label: 'Friends and family discount',
          amount: {
            currency: 'USD',
            value: '-10.00',
          },
        },
      ],
    };
  
    return new PaymentRequest(supportedInstruments, details);
  }
  
  /**
   * Launches the PaymentRequest UI with Bob Pay as the only payment method.
   * Preloads the second instance of PaymentRequest while the first instance is
   * showing.
   */
  function buy() {  // eslint-disable-line no-unused-vars
    var request = initPaymentRequest();
    request.show()
        .then(function(instrumentResponse) {
          window.setTimeout(function() {
            instrumentResponse.complete('success')
                .then(function() {
                  print(JSON.stringify(instrumentResponse, undefined, 2));
                })
                .catch(function(err) {
                  print(err);
                });
          }, 500);
        })
        .catch(function(err) {
          print(err);
        });
    request = initPaymentRequest();
  }
  