Update navigator.services API to use the new services.onconnect event [1/3].

LayoutTests/http/tests/navigatorconnect/resources/accepting-worker.js

Index: LayoutTests/http/tests/navigatorconnect/resources/accepting-worker.js
diff --git a/LayoutTests/http/tests/navigatorconnect/resources/accepting-worker.js b/LayoutTests/http/tests/navigatorconnect/resources/accepting-worker.js
index 9c404172fa75b9f8c23c7e7d902c7171f7d99669..3580d775c064d13e9641280e3d89fe4b96e6b440 100644
--- a/LayoutTests/http/tests/navigatorconnect/resources/accepting-worker.js
+++ b/LayoutTests/http/tests/navigatorconnect/resources/accepting-worker.js
@@ -1,3 +1,7 @@
 self.addEventListener('crossoriginconnect', function(event) {
   event.acceptConnection(true);
 });
+
+navigator.services.addEventListener('connect', function(event) {
+  event.respondWith({accept: true});
+});