Add a regression test for crbug.com/713983.

Add a regression test for crbug.com/713983.

BUG=713983
TEST=Reverting http://crrev.com/2836023002 makes this test crash.

Review-Url: https://codereview.chromium.org/2864293002
Cr-Commit-Position: refs/heads/master@{#469957}
Committed: https://chromium.googlesource.com/chromium/src/+/73029ea45937488ac4b586f759856682db1e3962

[yhanada, 2017-05-08 09:24:18]

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

[commit-bot: I haz the power, 2017-05-08 09:25:00]

Dry run: 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, 2017-05-08 10:23:27]

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

[commit-bot: I haz the power, 2017-05-08 10:23:28]

Dry run: This issue passed the CQ dry run.

[yhanada, 2017-05-08 10:36:49]

yhanada@chromium.org changed reviewers:
+ yoshiki@chromium.org

[yhanada, 2017-05-08 10:36:49]

PTAL. Thanks!

[yoshiki, 2017-05-08 10:42:46]

Thank you for adding a test! LGTM

[yhanada, 2017-05-08 10:49:58]

The CQ bit was checked by yhanada@chromium.org

[commit-bot: I haz the power, 2017-05-08 10:50:07]

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, 2017-05-08 10:53:25]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494240598590280, "parent_rev":
"a34462a6f8d57df524dd8cb17e61b094dedee879", "commit_rev":
"73029ea45937488ac4b586f759856682db1e3962"}

[commit-bot: I haz the power, 2017-05-08 10:53:35]

Description was changed from

==========
Add a regression test for crbug.com/713983.

BUG=713983
TEST=Reverting http://crrev.com/2836023002 makes this test crash.
==========

to

==========
Add a regression test for crbug.com/713983.

BUG=713983
TEST=Reverting http://crrev.com/2836023002 makes this test crash.

Review-Url: https://codereview.chromium.org/2864293002
Cr-Commit-Position: refs/heads/master@{#469957}
Committed:
https://chromium.googlesource.com/chromium/src/+/73029ea45937488ac4b586f75985...
==========

[commit-bot: I haz the power, 2017-05-08 10:53:36]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/73029ea45937488ac4b586f75985...