Łukasz, the last paragraph of the bug's description explains why 17.10 artful does not currently recommend chrome-gnome-shell (it's to make the gnome-shell MIR easier but I think chrome-gnome-shell will be in main and that recommends will be re-added before 17.10 is released).
zesty's gnome-shell already does recommend chrome-gnome-shell.
Łukasz, the last paragraph of the bug's description explains why 17.10 artful does not currently recommend chrome-gnome-shell (it's to make the gnome-shell MIR easier but I think chrome-gnome-shell will be in main and that recommends will be re-added before 17.10 is released).
zesty's gnome-shell already does recommend chrome-gnome-shell.