Bug 903388 - [Session Restore] Collect cookie hosts *after* serializing session history; r=yoric
Bug 903244 - [Session Restore] this._resetTabRestoringState is not a function in onPurgeSessionHistory(); r=smacleod
Bug 903248 - [Session Restore] Remove leftover code from global private browsing mode; r=smacleod
Bug 903273 - [Session Restore] Use strict mode; r=smacleod