GitLab

These two functions need to be abstract.

Bug: 1004544
Change-Id: I893a47747333d6e39a6855cb7e3627a0ea6a8e00
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1829874
Auto-Submit: Shimi Zhang <ctzsm@chromium.org>
Commit-Queue: Bo <boliu@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#701530}