Object.observe(obj1, recursiveObserver2);
Object.observe(obj2, recursiveObserver2);
++obj1.a;
-// TODO(verwaest): Disabled because of bug 2774.
-// Object.deliverChangeRecords(recursiveObserver2);
-// assertEquals(199, recordCount);
+Object.deliverChangeRecords(recursiveObserver2);
+assertEquals(199, recordCount);
// Observing named properties.