PaymentRequest.canMakePayment() query quota on desktop.

chrome/test/data/payments/can_make_payment_query_cc.js

 /*
  * 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.
  */
 
-/* global PaymentRequest:false */
-/* global print:false */
-
 /**
  * Checks for existence of a complete VISA credit card.
  */
 function buy() {  // eslint-disable-line no-unused-vars
   try {
-    var request = new PaymentRequest(
+    const request = new PaymentRequest(
         [{supportedMethods: ['visa']}],
         {total: {label: 'Total', amount: {currency: 'USD', value: '5.00'}}});
     request.canMakePayment()
         .then(function(result) {
           print(result);
         })
         .catch(function(error) {
           print(error);
         });
   } catch (error) {
     print(error.message);
   }
 }
 
 /**
  * Checks for existence of a complete MasterCard credit card.
  */
-function other_buy() {  // eslint-disable-line no-unused-vars
+function other_buy() {  // eslint-disable-line no-unused-vars, camelcase
   try {
-    var request = new PaymentRequest(
+    const request = new PaymentRequest(
         [{supportedMethods: ['mastercard']}],
         {total: {label: 'Total', amount: {currency: 'USD', value: '5.00'}}});
     request.canMakePayment()
         .then(function(result) {
           print(result);
         })
         .catch(function(error) {
           print(error);
         });
   } catch (error) {
     print(error.message);
   }
 }