GitLab

This behavior is approved in UI concept review. So we also remove
the cancel button.

Bug: b/156258540
Change-Id: I9604d15cb7db7f379c96c692d25bf51d14b2ca10
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2505443
Commit-Queue: Yicheng Li <yichengli@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#823449}