GitLab

Limit the size of the pinned files container to make sure
it's always 8px below the top of the screen.

Bug: 1131268
Change-Id: I0533873d0039f1d1952e396724cebae10fc50200
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2427542
Commit-Queue: Ahmed Mehfooz <amehfooz@chromium.org>
Reviewed-by: David Black <dmblack@google.com>
Cr-Commit-Position: refs/heads/master@{#811348}