Follow up: Refactor Toolbar
Followup to discussion in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/28736#note_175485380.
Refactor the toolbar script to take advantage of modules (now that we can!) and conform to our linter.
Followup to discussion in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/28736#note_175485380.
Refactor the toolbar script to take advantage of modules (now that we can!) and conform to our linter.