Marks KeyboardCode as extensible

Marks KeyboardCode as extensible

This is currently necessary as windows may supply values not in the
enum list. Without extensible a validation error is generated, so that
you can't type ':' among others.

BUG=582279
TEST=none
R=yzshen@chromium.org
TBR=yzshen@chromium.org

Committed: https://crrev.com/e0cf3d50850c18d0db327a088db89e073c01f964
Cr-Commit-Position: refs/heads/master@{#372234}

[sky, 2016-01-29 00:31:48]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2016-01-29 00:33:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1644633007/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1644633007/1

[yzshen1, 2016-01-29 00:36:08]

lgtm

[commit-bot: I haz the power, 2016-01-29 01:04:26]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-29 01:05:16]

Description was changed from

==========
Marks KeyboardCode as extensible

This is currently necessary as windows may supply values not in the
enum list. Without extensible a validation error is generated, so that
you can't type ':' among others.

BUG=582279
TEST=none
R=yzshen@chromium.org
TBR=yzshen@chromium.org
==========

to

==========
Marks KeyboardCode as extensible

This is currently necessary as windows may supply values not in the
enum list. Without extensible a validation error is generated, so that
you can't type ':' among others.

BUG=582279
TEST=none
R=yzshen@chromium.org
TBR=yzshen@chromium.org

Committed: https://crrev.com/e0cf3d50850c18d0db327a088db89e073c01f964
Cr-Commit-Position: refs/heads/master@{#372234}
==========

[commit-bot: I haz the power, 2016-01-29 01:05:16]

Patchset 1 (id:??) landed as
https://crrev.com/e0cf3d50850c18d0db327a088db89e073c01f964
Cr-Commit-Position: refs/heads/master@{#372234}