hterm: Ignoring Tab keys in onKeyPress_
hterm: Ignoring Tab keys in onKeyPress_

Tab keys should be either handled by onKeyDown_ or passed to the browser.
This allows users to set a custom PASS binding for the TAB key.

Bug: 873419
Change-Id: I1739f99db1d40b0750dd269dcc17f3e7a306f045
Reviewed-on: https://chromium-review.googlesource.com/1172941
Reviewed-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@chromium.org>
Tested-by: Adrián Pérez-Orozco <609f67859fe5cd9a968a00a4f187ff811c0c45e0@google.com>

chromium/hterm,chromium/hterm,chromium/hterm,chromium/hterm