GitLab

No logic changes.
Updates enum values' names.

(acronyms are capitalized as single words, as per [1])
[1]: https://google.github.io/styleguide/cppguide.html#General_Naming_Rules

Change-Id: I4a73939546094fc6dcacfbc0753f85cc6dc683c3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1745549
Commit-Queue: Daniel Cheng <dcheng@chromium.org>
Auto-Submit: Darwin Huang <huangdarwin@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#685479}