GitLab

Checks experiment_name field on Optimization defined at PageHint
level and only whitelists if that experiment name is enabled for
the client.

Bug: 888666
Change-Id: I42425aaf9403a023d684c94ce94860cba27513f2
Reviewed-on: https://chromium-review.googlesource.com/1241214Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Commit-Queue: Doug Arnett <dougarnett@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594384}