GitLab

Move background-color lookup into crostini_terminal
since we are also adding pass-ctrl-w and it is
better to colocate them.

Bug: 1060861
Change-Id: Id55c9672007cabcb635fce7022d64544b1158f62
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2121115
Auto-Submit: Joel Hockey <joelhockey@chromium.org>
Commit-Queue: Jason Lin <lxj@google.com>
Reviewed-by: Jason Lin <lxj@google.com>
Cr-Commit-Position: refs/heads/master@{#753783}