dbus: Introduce util_unittest.cc

dbus: Introduce util_unittest.cc

This CL introduces util_unittest.cc, which acts as a place for current and
future functions in util.h.

BUG=411108
Committed: https://crrev.com/d6613735f5bbe340269ac00dfecf1a32486c37b4
Cr-Commit-Position: refs/heads/master@{#293793}

[armansito, 2014-09-06 01:27:28]

armansito@chromium.org changed reviewers:
+ satorux@chromium.org

[satorux1, 2014-09-08 07:08:17]

The CQ bit was checked by satorux@chromium.org

[satorux1, 2014-09-08 07:08:17]

lgtm

LGTM. Thank you for adding this.

[commit-bot: I haz the power, 2014-09-08 07:14:46]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/armansito@chromium.org/552433002/1

[commit-bot: I haz the power, 2014-09-08 09:16:19]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-09-08 09:16:19]

Try jobs failed on following builders:
  android_dbg_tests_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg_tes...)

[armansito, 2014-09-08 20:32:31]

The CQ bit was checked by armansito@chromium.org

[commit-bot: I haz the power, 2014-09-08 20:36:49]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/armansito@chromium.org/552433002/1

[commit-bot: I haz the power, 2014-09-08 21:55:31]

Committed patchset #1 (id:1) as c96d555c02c9f080655a4653bf4f986f823ffd91

[commit-bot: I haz the power, 2014-09-10 03:48:23]

Patchset 1 (id:??) landed as
https://crrev.com/d6613735f5bbe340269ac00dfecf1a32486c37b4
Cr-Commit-Position: refs/heads/master@{#293793}