GitLab

Change enum values to camel case to match style guidance for enum
class members.

Bug: 1059607
Change-Id: Icf5884449d1ad71b761dba7d14a64a7e478b801c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2399566Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Gavin Williams <gavinwill@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805397}