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The 3 linked bugs are all due to an issue with refocusing a list item
from an element after the last control. In this case, the last control
should be refocused, not the first control.

This case can be identified by the first element in the focus event's
path. This will be the list item itself if focus is coming from outside
the control from an element that is before the list item in the tab
order. It will be the last control if focus is coming from an element
that is after the list item in the tab order.

Bug: 908330, 908323, 908014
Change-Id: Ie2289547470e2f66cd9285d29e9ed1e0ab3207c1
Reviewed-on: https://chromium-review.googlesource.com/c/1351713
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Scott Chen <scottchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611536}