https://chromium-review.googlesource.com/c/chromium/src/+/1079890

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7e5a163fb6e971b970ca1b62219f5ccdc5f47823

commit 7e5a163fb6e971b970ca1b62219f5ccdc5f47823
Author: Jacob Dufault <jdufault@google.com>
Date: Tue Jun 05 20:39:09 2018

Make chromevox default action simulation go through OnEvent.

A child class (ie, LoginPinView) may override OnEvent and not OnMouseEvent. The
default OnEvent implementation dispatches to OnMouseEvent so existing uses
should remain the same, at the cost of an additional function call.

Bug:  848018 
Change-Id: I20ce712ceadeeda8738eb83d450d9390daedf949
Reviewed-on: https://chromium-review.googlesource.com/1079890
Reviewed-by: David Tseng <dtseng@chromium.org>
Reviewed-by: Michael Wasserman <msw@chromium.org>
Commit-Queue: Jacob Dufault <jdufault@chromium.org>
Cr-Commit-Position: refs/heads/master@{#564649}
[modify] https://crrev.com/7e5a163fb6e971b970ca1b62219f5ccdc5f47823/ui/views/view.cc