GitLab

keyIdentifier is deprecated and replaced by "key" argument in
KeyboardEvent. Additionally our use of this was pretty inconsistent, so
removed it completely.

Change-Id: I35d6ba9660830b6c419f2a6e106bbde5162cf4b7
Reviewed-on: https://chromium-review.googlesource.com/1245080
Commit-Queue: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594535}