GitLab

When active window is drag from shelf to overview, the hotseat will get
into extended state, but we should not mark it as manually extended -
the hotseat is extended because that's the state expected in overview,
not because of the result of the gesture performed by the user.

BUG=1019440

Change-Id: I3724946a5b89a16a574551f23c447cf1d6509859
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1900349
Commit-Queue: Toni Baržić <tbarzic@chromium.org>
Reviewed-by: Manu Cornet <manucornet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#712843}