Bug 1251238 - Part 2: Modify test because we notify chrome listener each time when service worker's state is updated. r=bkelly

--HG--
extra : rebase_source : 255c6771dc705c556e82789b1af9b04aed697a0b

dom/workers/test/serviceworkers/test_serviceworkerregistrationinfo.xul

@@ -58,6 +58,13 @@
                 ok(registration.activeWorker === null);
 
                 return waitForServiceWorkerRegistrationChange(registration, function () {
+                  // Activating
+                  ok(registration.installingWorker === null);
+                  ok(registration.waitingWorker === null);
+                  ok(registration.activeWorker !== null);
+
+                  return waitForServiceWorkerRegistrationChange(registration, function () {
+                    // Activated
                     ok(registration.installingWorker === null);
                     ok(registration.waitingWorker === null);
                     ok(registration.activeWorker !== null);
@@ -67,6 +74,7 @@
                 });
               });
             });
+          });
           iframe.contentWindow.postMessage("register", "*");
           let registration = yield promise;
 
@@ -83,6 +91,13 @@
               ok(registration.activeWorker !== null);
 
               return waitForServiceWorkerRegistrationChange(registration, function () {
+                // Activating
+                ok(registration.installingWorker === null);
+                ok(registration.waitingWorker === null);
+                ok(registration.activeWorker !== null);
+
+                return waitForServiceWorkerRegistrationChange(registration, function () {
+                  // Activated
                   ok(registration.installingWorker === null);
                   ok(registration.waitingWorker === null);
                   ok(registration.activeWorker !== null);
@@ -91,6 +106,7 @@
                 });
               });
             });
+          });
           iframe.contentWindow.postMessage("register", "*");
           yield promise;