The *chart* fields in ScTabViewShell in sc/source/ui/inc/tabvwsh.hxx
are unused since:
    commit 5021f298
    Author: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
    Date:   Mon Jul 28 12:11:08 2014 -0300
    Remove some unused code

The bEveryoneButMe field in ScChangeViewSettings is unused since
    commit 90e8ad7a
    Author: Noel Grandin <noel@peralex.com>
    Date:   Tue Jul 21 15:39:17 2015 +0200
    loplugin:unusedmethods scripting,sc

Change-Id: Ie9fbdf8f5e9177449316aaeb40ca3bd26df78a95
Reviewed-on: https://gerrit.libreoffice.org/40264Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>