The Push Messaging browser tests should use matchAll() rather than getAll()

chrome/test/data/push_messaging/service_worker.js

 // Copyright 2014 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.
 
 // The "onpush" event currently understands two values as message payload
 // data coming from the test. Any other input is passed through to the
 // document unchanged.
 //
 // "shownotification" - Display a Web Notification with event.waitUntil().
 // "shownotification-without-waituntil"
@@ skipping 20 matching lines @@
   }, function(ex) {
     sendMessageToClients('push', String(ex));
   }));
 };
 
 function sendMessageToClients(type, data) {
   var message = JSON.stringify({
     'type': type,
     'data': data
   });
-  clients.getAll().then(function(clients) {
+  clients.matchAll().then(function(clients) {
     clients.forEach(function(client) {
       client.postMessage(message);
     });
   }, function(error) {
     console.log(error);
   });
 }