Next step is to remove OContextEntryGuard.

Change-Id: I9460fb67fba6f3bfb3c809b730c33f38d225a64e
Reviewed-on: https://gerrit.libreoffice.org/38411Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>