GitLab

Add the selected label to a tile when it is selected.

Make the back button usable with the space bar.

Bug: 858885
Change-Id: Ib84de79a84034805869e58e1d07c4f7891e8fecd
Reviewed-on: https://chromium-review.googlesource.com/1157168
Commit-Queue: Kyle Milka <kmilka@chromium.org>
Reviewed-by: Mathieu Perreault <mathp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580067}