nested: Port away from old wl_resource API
nested: Port away from old wl_resource API

Fantu/compositor-spice,giucam/weston,kwm81/weston,mchalupa/weston,udoprog/weston,Tarnyko/weston-xdg_surface_present,Tarnyko/weston-xdg_surface_present,mchalupa/weston,xorgy/weston,eyolfson/weston,giucam/weston,jonnylamb/weston,udoprog/weston,Gnurou/weston,Fantu/compositor-spice,Gnurou/weston,krezovic/weston,krezovic/weston,xorgy/weston,Fantu/compositor-spice,sir-murray/weston,kwm81/weston,jonnylamb/weston,sir-murray/weston,eyolfson/weston