GitLab

This is a continuation of the pattern of
AnimatingLayoutManager::GetDefaultFlexRule().

Bug: 1048061
Change-Id: I0aaff55bea6c674b07b42abd4584092058b01df4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2040731
Commit-Queue: Dana Fried <dfried@chromium.org>
Reviewed-by: Caroline Rising <corising@chromium.org>
Cr-Commit-Position: refs/heads/master@{#747147}