GitLab

operator<() needs to be overloaded so base::GUID can be used in set
containers.

Per the style guide, overload all other comparison operators.

Bug: 1026195
Change-Id: I9c36f0aee13b34c3bbdfdc3581a84a9c23485e21
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2533649
Commit-Queue: Daniel Hosseinian <dhoss@chromium.org>
Reviewed-by: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#827413}