Remove the reference of ash from webui_login_view.cc

This file refers ash::Shell to register global accelerators,
but I believe this is not necessary. This CL removes that code
entirely.

Bug: 854346
Test: none
Change-Id: Ibd72da382d28e136daf571a7292fad7e875facfe
Reviewed-on: https://chromium-review.googlesource.com/c/1375876
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Jacob Dufault <jdufault@chromium.org>
Commit-Queue: Jun Mukai <mukai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#616750}
2 files changed