[Payments] Record CanMakePayment metrics on Desktop.

chrome/test/data/payments/can_make_payment_metrics.js

Index: chrome/test/data/payments/can_make_payment_metrics.js
diff --git a/chrome/test/data/payments/can_make_payment_metrics.js b/chrome/test/data/payments/can_make_payment_metrics.js
index 62bb7f64f8554a62a371630b9bf3dbced101d3e8..2da0192035e1fa7e4ba379a8cb86def22ff75fb6 100644
--- a/chrome/test/data/payments/can_make_payment_metrics.js
+++ b/chrome/test/data/payments/can_make_payment_metrics.js
@@ -7,12 +7,14 @@
 /* global PaymentRequest:false */
 /* global print:false */
 
+var request;
+
 /**
  * Do not query CanMakePayment before showing the Payment Request.
  */
 function noQueryShow() {  // eslint-disable-line no-unused-vars
   try {
-    var request = new PaymentRequest(
+    request = new PaymentRequest(
         [{supportedMethods: ['https://bobpay.com', 'visa']}],
         {total: {label: 'Total', amount: {currency: 'USD', value: '5.00'}}});
     request.show()
@@ -34,7 +36,7 @@ function noQueryShow() {  // eslint-disable-line no-unused-vars
  */
 function queryShow() {  // eslint-disable-line no-unused-vars
   try {
-    var request = new PaymentRequest(
+    request = new PaymentRequest(
         [{supportedMethods: ['https://bobpay.com', 'visa']}],
         {total: {label: 'Total', amount: {currency: 'USD', value: '5.00'}}});
     request.canMakePayment()
@@ -59,7 +61,7 @@ function queryShow() {  // eslint-disable-line no-unused-vars
  */
 function queryNoShow() {  // eslint-disable-line no-unused-vars
   try {
-    var request = new PaymentRequest(
+    request = new PaymentRequest(
         [{supportedMethods: ['https://bobpay.com', 'visa']}],
         {total: {label: 'Total', amount: {currency: 'USD', value: '5.00'}}});
     request.canMakePayment()
@@ -69,3 +71,18 @@ function queryNoShow() {  // eslint-disable-line no-unused-vars
     print(error.message);
   }
 }
+
+/**
+ * Aborts the PaymentRequest UI.
+ */
+function abort() {  // eslint-disable-line no-unused-vars
+  try {
+    request.abort().then(() => {
+      print('Aborted');
+    }).catch(() => {
+      print('Cannot abort');
+    });
+  } catch (error) {
+    print(error.message);
+  }
+}