GitLab

Alt-Shift-N was disabled for UnifiedSystemTray. Because we have
Alt-Shift-S. https://crrev.com/c/1023500

In response to feedback, the expected behavior of Alt-Shift-N is
changed, and now it does the same action as Alt-Shift-S.

TEST=manual
BUG=none

Change-Id: I8314e8205512d70c095b7ca45839f386e7a8fea7
Reviewed-on: https://chromium-review.googlesource.com/1147780Reviewed-by: Yoshiki Iguchi <yoshiki@chromium.org>
Reviewed-by: James Cook <jamescook@chromium.org>
Commit-Queue: Tetsui Ohkubo <tetsui@chromium.org>
Cr-Commit-Position: refs/heads/master@{#578961}