GitLab

Manages the drag handle nudge during window drag from shelf to home or
overview (which may end up in a gesture the nudge is describing).

If the contextual nudge is shown when the window drag starts, the nudge
will not be hidden until the gesture completes (end it will get hidden
when the gesture completes, even if the user does not end up going
home).

If the contextual nudge is scheduled to be shown when the gesture
starts, the show request will be canceled.

Adds logic that prevents drag handle nudge from showing up, unless it's
a result of an explicit user action - tapping the drag handle.

BUG=1058617

Change-Id: I96fa2748308143ec42295dbfb472dc564da5bd03
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2107135
Commit-Queue: Toni Baržić <tbarzic@chromium.org>
Reviewed-by: Manu Cornet <manucornet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#751200}