GitLab

Let the user remap the Caps Lock key when
--has-chromeos-keyboard isn't provided (i.e. the internal
keyboard has a Caps Lock key in place of Search). Formerly,
the setting was only shown when an external keyboard was
connected.

Also add unit tests for KeyboardHandler and delete some
unused variables. Unrelatedly, drop an accidentally-repeated
call in PowerHandlerTest.

BUG=742613

Change-Id: I56d7ccb0bd5e054b9e815fb4d8d457c0729ada0c
Reviewed-on: https://chromium-review.googlesource.com/572209Reviewed-by: Michael Giuffrida <michaelpg@chromium.org>
Reviewed-by: Sadrul Chowdhury <sadrul@chromium.org>
Commit-Queue: Dan Erat <derat@chromium.org>
Cr-Commit-Position: refs/heads/master@{#487298}