GitLab

This reverts commit 090883ab.

Reason for revert:
https://bugs.chromium.org/p/chromium/issues/detail?id=1066696

Original change's description:
> CrOS: Get rid of some leftover panel code
> 
> Change-Id: Ib985375a552b06dacf7a647fafcdc87b30afd9e2
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2108161
> Commit-Queue: Manu Cornet <manucornet@chromium.org>
> Reviewed-by: Ben Wells <benwells@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#755125}

TBR=benwells@chromium.org,manucornet@chromium.org

Bug: 1066696
Change-Id: If558a3a10c5390df7a17ef86ea403cd33f023bdc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2131547Reviewed-by: Hiroshige Hayashizaki <hiroshige@chromium.org>
Commit-Queue: Hiroshige Hayashizaki <hiroshige@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755259}