Converted accessibility_unittests to run on Swarming everywhere.

Converted accessibility_unittests to run on Swarming everywhere.

Ran: ./manage.py --convert accessibility_unittests

R=phajdan.jr@chromium.org
BUG=98637
Committed: https://crrev.com/e664426489b42727c0d9d51a33eb4546d6e76488
Cr-Commit-Position: refs/heads/master@{#323229}

[M-A Ruel, 2015-03-31 19:12:51]

Follow up of https://codereview.chromium.org/1048213003. It makes the switch
over trivial, so the next tests will be easier to convert.

I'm running the actual try jobs on https://codereview.chromium.org/1040083006
due to intermediary patches.

[M-A Ruel, 2015-03-31 19:23:41]

https://codereview.chromium.org/1045313003/diff/1/testing/buildbot/chromium.f...
File testing/buildbot/chromium.fyi.json (right):

https://codereview.chromium.org/1045313003/diff/1/testing/buildbot/chromium.f...
testing/buildbot/chromium.fyi.json:76: "can_use_on_swarming_builders": true
There's no Swarming 10.10 OSX bots at the moment. Filed http://crbug.com/472205

[Paweł Hajdan Jr., 2015-04-01 10:05:25]

LGTM

[M-A Ruel, 2015-04-01 12:37:21]

The CQ bit was checked by maruel@chromium.org

[commit-bot: I haz the power, 2015-04-01 12:38:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1045313003/20001

[commit-bot: I haz the power, 2015-04-01 13:49:34]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-04-01 13:51:03]

Patchset 2 (id:??) landed as
https://crrev.com/e664426489b42727c0d9d51a33eb4546d6e76488
Cr-Commit-Position: refs/heads/master@{#323229}