GitLab

This simplifies the code, and removes a branch from the allocation path.

Bug: 998048
Change-Id: Icba80de3755a00164f40ee23b7fb4deb0f9d8ffa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2418656
Commit-Queue: Benoit L <lizeb@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Chris Palmer <palmer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#808820}