Fix the testharness async test API usage

Fix the testharness async test API usage

This fixes the usage of testharness.js async_test API usages
in pointer lock test for Shadow DOM.

BUG=622584
Committed: https://crrev.com/7108fffd85ed6c21acdb88991b48395ae2cbb822
Cr-Commit-Position: refs/heads/master@{#403626}

[kochi, 2016-07-01 09:23:08]

The CQ bit was checked by kochi@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-01 09:23:20]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[kochi, 2016-07-01 09:35:36]

kochi@chromium.org changed reviewers:
+ hayato@chromium.org

[kochi, 2016-07-01 09:35:37]

PTAL

It looks the old test worked, but this should be proper API
usage for async_test.

[commit-bot: I haz the power, 2016-07-01 10:41:53]

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

[commit-bot: I haz the power, 2016-07-01 10:41:54]

Dry run: This issue passed the CQ dry run.

[hayato, 2016-07-01 13:07:05]

lgtm

[kochi, 2016-07-03 15:56:34]

The CQ bit was checked by kochi@chromium.org

[commit-bot: I haz the power, 2016-07-03 15:56:48]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-04 01:16:34]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-07-04 01:17:57]

Description was changed from

==========
Fix the testharness async test API usage

This fixes the usage of testharness.js async_test API usages
in pointer lock test for Shadow DOM.

BUG=622584
==========

to

==========
Fix the testharness async test API usage

This fixes the usage of testharness.js async_test API usages
in pointer lock test for Shadow DOM.

BUG=622584

Committed: https://crrev.com/7108fffd85ed6c21acdb88991b48395ae2cbb822
Cr-Commit-Position: refs/heads/master@{#403626}
==========

[commit-bot: I haz the power, 2016-07-04 01:17:58]

Patchset 2 (id:??) landed as
https://crrev.com/7108fffd85ed6c21acdb88991b48395ae2cbb822
Cr-Commit-Position: refs/heads/master@{#403626}