Reinstated onBlur handler and added images for CWS.

Reinstated onBlur handler and added images for CWS.

The onBlur handler was accidentally removed by my recent refactoring.
The images are required for submissions to CWS; only the icon needs to
included in the crx, however.

Committed: https://crrev.com/16accd4cbfbf5ebd9adafc67164d359ab6f54e43
Cr-Commit-Position: refs/heads/master@{#314961}

[Jamie, 2015-02-05 01:38:24]

jamiewalch@chromium.org changed reviewers:
+ kelvinp@chromium.org

[Jamie, 2015-02-05 01:38:24]

ptal

[kelvinp, 2015-02-06 01:28:01]

lgtm

[Jamie, 2015-02-06 01:48:50]

The CQ bit was checked by jamiewalch@chromium.org

[commit-bot: I haz the power, 2015-02-06 01:49:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/868663007/1

[commit-bot: I haz the power, 2015-02-06 03:41:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-06 03:43:18]

Patchset 1 (id:??) landed as
https://crrev.com/16accd4cbfbf5ebd9adafc67164d359ab6f54e43
Cr-Commit-Position: refs/heads/master@{#314961}