GitLab

The @private annotations don't really serve a purpose.

Also, clean up some const ordering, missing JSDoc, and spelling errors.

Change-Id: Ib074aef2a51d226b84d1a00da6482eb607bb285f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1679438
Commit-Queue: Kristi Park <kristipark@chromium.org>
Reviewed-by: Kyle Milka <kmilka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672757}