component {8ee5ab74-15c4-478f-9d32-67627b9f0f1a} RequestSyncScheduler.js
contract @mozilla.org/dom/request-sync-scheduler;1 {8ee5ab74-15c4-478f-9d32-67627b9f0f1a}

component {e6f55080-e549-4e30-9d00-15f240fb763c} RequestSyncManager.js
contract @mozilla.org/dom/request-sync-manager;1 {e6f55080-e549-4e30-9d00-15f240fb763c}