Bug 844295 - Make removeStream as not implemented. r=abr, r=jesup
Bug 846848 - UNC-formated paths. r=froydnj
Bug 849624 - Map header and footer to their newly recommended roles. r=surkov
Bug 849624 - Add tests. r=surkov
Bug 852295 - Allow Lightweight Themes in Permanent Private Browsing. r=dao
Bug 855192 - Fix MockPermissionPrompt scope. r=jgriffin