Some code was recently added to the chromium snap to allow importing an existing chromium profile on first run (typically if chromium was installed by another packaging system, such as apt, and used previously).
This requires read-only access to
This requires the corresponding store declaration to auto-connect the interface.
Note that my goal is to migrate the chromium-browser deb packages in Ubuntu to the snap package, and this bit of functionality is a prerequisite.
Thanks for considering it.