PaymentHandler: Should not allow accessing PaymentManager in Extension.

chrome/test/data/extensions/api_test/service_worker/payments/page.js

+// 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.
+
+window.runServiceWorker = function() {
+  navigator.serviceWorker.register('sw.js').then(function() {
+    return navigator.serviceWorker.ready;
+  }).then(function(registration) {
+    console.log(registration.paymentManager);
+    return registration.active;
+  }).then(function(paymentManager) {

[lazyboy, 2017/05/15 20:38:44]

The param is not a paymentManager, but it is an active worker, right?
I'm assuming the exception occurs because of the log on line 9, and the test
passes.
Can we instead return registration.paymentManger on line 10 and remove the
logging?

+    window.domAutomationController.send(paymentManager);
+  }).catch(function(error) {
+    window.domAutomationController.send(error.name);
+  });
+};