GitLab

This CL just hooks up the toggle button to the preference service.
Nothing more.

Bug: 1052522
Change-Id: Ic58565b7f9420c76f0ec7fbff15346722ddc7626
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2147688
Auto-Submit: Tommy Li <tommycli@chromium.org>
Reviewed-by: Moe Ahmadi <mahmadi@chromium.org>
Commit-Queue: Tommy Li <tommycli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#758940}