Update the keyboard before notifying observers that it has changed.

Update the keyboard before notifying observers that it has changed. Observers notified of this change that query the keyboard currently receive inconsistent information.

BUG=429699
Committed: https://crrev.com/a1104b88763dad9bb171b4a3b7a7a7fee9b27d70
Cr-Commit-Position: refs/heads/master@{#302476}

[rsadam, 2014-11-03 18:20:36]

rsadam@chromium.org changed reviewers:
+ dmazzoni@chromium.org

[rsadam, 2014-11-03 19:22:52]

Hi dmazzoni, PTAL!

[dmazzoni, 2014-11-03 19:45:47]

lgtm

[rsadam, 2014-11-03 20:07:50]

The CQ bit was checked by rsadam@chromium.org

[commit-bot: I haz the power, 2014-11-03 20:08:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/700573002/1

[commit-bot: I haz the power, 2014-11-03 20:51:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-11-03 20:51:45]

Patchset 1 (id:??) landed as
https://crrev.com/a1104b88763dad9bb171b4a3b7a7a7fee9b27d70
Cr-Commit-Position: refs/heads/master@{#302476}