Bug 1109889 - Share more exception handling code. r=nbp, a=abillings
Bug 1079387 - Need promiseAsyncUpdates after each importFromFile/exportToFile to ensure bookmarks updated. r=mak, a=test-only
Bug 1066474 - Make browser_timeline.js not fail intermittently. r=paul, a=test-only
Bug 1066474 - Avoid races in browser_timelineMarkers-02.js test. r=paul, a=test-only