Allow C++11 in unittests.

Allow C++11 in unittests.

BUG=v8:6072
Review-Url: https://codereview.chromium.org/2741573003
Cr-Commit-Position: refs/heads/master@{#43712}
Committed: https://chromium.googlesource.com/v8/v8/+/62b0fa2ee92ebc3695f4b1f33dfa3eec48ffb2f8

[Yang, 2017-03-09 12:39:26]

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

[commit-bot: I haz the power, 2017-03-09 12:39:38]

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, 2017-03-09 13:12:37]

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

[commit-bot: I haz the power, 2017-03-09 13:12:38]

Dry run: This issue passed the CQ dry run.

[Yang, 2017-03-10 06:30:16]

yangguo@chromium.org changed reviewers:
+ bmeurer@chromium.org

[Benedikt Meurer, 2017-03-10 06:31:39]

lgtm

[Yang, 2017-03-10 06:32:48]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2017-03-10 06:32:56]

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, 2017-03-10 06:35:52]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489127568915730, "parent_rev":
"f66d934bae7ce835a574b6d2c4fa46b3da6743f0", "commit_rev":
"62b0fa2ee92ebc3695f4b1f33dfa3eec48ffb2f8"}

[commit-bot: I haz the power, 2017-03-10 06:35:58]

Description was changed from

==========
Allow C++11 in unittests.

BUG=v8:6072
==========

to

==========
Allow C++11 in unittests.

BUG=v8:6072

Review-Url: https://codereview.chromium.org/2741573003
Cr-Commit-Position: refs/heads/master@{#43712}
Committed:
https://chromium.googlesource.com/v8/v8/+/62b0fa2ee92ebc3695f4b1f33dfa3eec48f...
==========

[commit-bot: I haz the power, 2017-03-10 06:35:59]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/62b0fa2ee92ebc3695f4b1f33dfa3eec48f...