GitLab

Removed unnecessary functions. Re-formatted incorrect code format after
removing EG1 & EG2 macros. Addressed unresolved comments from
crrev/c/2433584, except for header removals.

Bug: 1102995
Change-Id: Id16bc6ba05f4a13d0debc866264bbead7accb582
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2454294Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Zhaoyang Li <zhaoyangli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815162}