Chrome Version       : 59.0.3071.91
OS Version: 9460.60.0

What steps will reproduce the problem?
1. Configure a ChromeBox with two landscape-orientation displays stacked vertically.
2. On the upper display, arrange three full-height windows: one snapped left, one snapped right, and one in the center.
3. Press F5 ("switch window")
4. Click on the rightmost window in the switcher.
5. Press F5 ("switch window") again
6. Click on the rightmost window in the switcher.
7. Press F5 ("switch window") again


What is the expected result?

Since the windows have not been moved (only the foreground layering has changed), they should appear in the same arrangement on each press of the "switch window" key, and that arrangement should roughly correspond to the arrangement of the windows outside of the "window switch" mode.


What happens instead of that?

In the "switch window" arrangement, the three windows rotate: the rightmost window in that arrangement is not always the rightmost window on the display. As a result, it is difficult to use the "switch window" mode to reliably choose the window I actually want to bring to the foreground.


UserAgentString: Mozilla/5.0 (X11; CrOS x86_64 9460.60.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.91 Safari/537.36