Pass the Gitlab::Git::Branch object to Repository#merged_to_root_ref?
Pass the Gitlab::Git::Branch object to Repository#merged_to_root_ref?

Signed-off-by: Rémy Coutable <4ea0184b9df19e0786dd00b28e6daa4d26baeb3e@rymai.me>

iiet/iiet-git,mmkassem/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,jirutka/gitlabhq,stoplightio/gitlabhq,dreampet/gitlab,iiet/iiet-git,axilleas/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,jirutka/gitlabhq,mmkassem/gitlabhq,axilleas/gitlabhq,dreampet/gitlab