The original classes were both only used as base classes of SmModel, and
combining them will make it easier to replace the existing dynamic_casts to
those classes with XUnoTunnel. (And see the upcoming commit introducing
loplugin:unocast on why those dynamic_casts are dangerous.)
Change-Id: I4b1e0594fb202e3423d57db6457aa0e1b1b0b612
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/144353
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
c3497353ca