GitLab

Holding space child bubbles animate out when their sections no longer
have finalized items to display. They animate in when at least one of
their sections becomes populated.

Bug: 1154998
Change-Id: I2d4bc1dc27346aa085c7d12e373d5618639926a1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2606667
Commit-Queue: David Black <dmblack@google.com>
Reviewed-by: Toni Baržić <tbarzic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#839711}