- Anonymous namespaces instead of static functions.
- Comments.
- Reserve enough space in the range ZoneList.

Change-Id: Ie79fda770974796cd590a155dc5fd504472e5bc9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3220341
Auto-Submit: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Patrick Thier <pthier@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77391}