omrilio@ please triage

Also another one. I think it used to work.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/2a92c1111bdaf14ac61c4d2cf6f6d3723449acf3

commit 2a92c1111bdaf14ac61c4d2cf6f6d3723449acf3
Author: Sammie Quon <sammiequon@google.com>
Date: Thu May 17 15:41:51 2018

overview: Shield widget bounds now correct after rotation.

Shield widget gets updated in PositionWindows, which has an early out if
no windows. Move update before early return.

Also fix a big with the no recents message not disappearing if an window
item is added back to the grid via split view.

Test: manual
Bug:  842395 ,  842394 
Change-Id: I52dcdf9c012edc32c7d47bbdd978b6f59376a289
Reviewed-on: https://chromium-review.googlesource.com/1063171
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: Sammie Quon <sammiequon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#559545}
[modify] https://crrev.com/2a92c1111bdaf14ac61c4d2cf6f6d3723449acf3/ash/wm/overview/window_grid.cc
[modify] https://crrev.com/2a92c1111bdaf14ac61c4d2cf6f6d3723449acf3/ash/wm/overview/window_selector.cc
[modify] https://crrev.com/2a92c1111bdaf14ac61c4d2cf6f6d3723449acf3/ash/wm/overview/window_selector.h

Issue is fixed on M68 (10718.34.0, 68.0.3440.40) but still exist on M67 build (10575.58.0, 67.0.3396.99). Can the fix be merged to stable?

+omrilio

This is a rare edge case, and M67 is not a special build AFAICT, so a merge is not necessary. omrilio@, please reassign this to me if you want it in M67.