GitLab

The origin trial is no longer needed, since the feature has already
shipped.

This change was originally proposed in this refactor [1], but was split
into another CL.

[1] https://crrev.com/c/2601576

Bug: 1110509
Change-Id: I77e674763879ae74eeb33c3da2844ab42dd8b533
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2604977
Commit-Queue: Austin Sullivan <asully@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Reviewed-by: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841531}