Update navigator.services API to use the new services.onconnect event [3/3].

LayoutTests/http/tests/navigatorconnect/resources/reply-client-info-worker.js

 var client;
-self.addEventListener('crossoriginconnect', function(event) {
-  client = event.client;
-  event.acceptConnection(true);
-  client.postMessage({origin: client.origin, targetUrl: client.targetUrl});
-});
-
 self.addEventListener('crossoriginmessage', function(event) {
   client.postMessage({origin: event.origin});
 });
 
 navigator.services.addEventListener('connect', function(event) {
   event.respondWith({accept: true, data: {origin: event.origin}})
     .then(function(port) {
         client = port;
         client.postMessage({origin: event.origin, targetUrl: event.targetURL});
       });
 });