Bug 979207 - Add PanelUI panelshown listener before showing panel. r=mikedeboer, a=test-only
Bug 1023351 - Adjust expected assertion range for test_playback_rate_playpause.html on OSX. a=test-only
Bug 1020598 - Add telemetry to measure WebCrypto usage. r=vladan, a=dougt
Bug 983747 - Add 'download' method to Browser API. r=kanru, r=paolo, a=bajaj