Bug 938071 - Fix typo in TabState.onSwapDocShells() r=billm
Bug 938084 - Drop pending collections when docShells are swapped r=billm
Bug 938093 - Swap TabStateCache contents when docShells are swapped r=billm
Bug XXXXXX - Provide pageStyle notifications
Bug 930967 - Add broadcasting for sessionstore data
Bug 930967 - Add tests for broadcasting sessionstore data
test for docshell swapping
handle _lastMessageID on docshell swapped
_lastMessageID -> _latestMessageID