Minor cleanup of CrSettingsBrowserTest

Minor cleanup of CrSettingsBrowserTest

Mostly this ensures that PolymerTest.prototype.setUp gets called
so that iron-test-helpers is available and navigation works as
expected.

BUG=425627
Committed: https://crrev.com/c489cfe41358bd70279f34d04d6a5252f02eb03d
Cr-Commit-Position: refs/heads/master@{#365703}

[stevenjb, 2015-12-16 20:43:43]

stevenjb@chromium.org changed reviewers:
+ dpapad@chromium.org, dschuyler@chromium.org, michaelpg@chromium.org

[dpapad, 2015-12-16 21:21:15]

lgtm

[dschuyler, 2015-12-16 22:28:41]

lgtm

[stevenjb, 2015-12-16 22:30:08]

The CQ bit was checked by stevenjb@chromium.org

[commit-bot: I haz the power, 2015-12-16 22:33:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1523403004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1523403004/1

[commit-bot: I haz the power, 2015-12-17 03:18:11]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-17 03:20:03]

Description was changed from

==========
Minor cleanup of CrSettingsBrowserTest

Mostly this ensures that PolymerTest.prototype.setUp gets called
so that iron-test-helpers is available and navigation works as
expected.

BUG=425627
==========

to

==========
Minor cleanup of CrSettingsBrowserTest

Mostly this ensures that PolymerTest.prototype.setUp gets called
so that iron-test-helpers is available and navigation works as
expected.

BUG=425627

Committed: https://crrev.com/c489cfe41358bd70279f34d04d6a5252f02eb03d
Cr-Commit-Position: refs/heads/master@{#365703}
==========

[commit-bot: I haz the power, 2015-12-17 03:20:03]

Patchset 1 (id:??) landed as
https://crrev.com/c489cfe41358bd70279f34d04d6a5252f02eb03d
Cr-Commit-Position: refs/heads/master@{#365703}