Fix memory leak in test-scanner.cc.

Fix memory leak in test-scanner.cc.

BUG=chromium:662388
Committed: https://crrev.com/3019b49764c652ed2e894def25f480ad724cd68a
Cr-Commit-Position: refs/heads/master@{#40781}

[vogelheim, 2016-11-04 17:40:14]

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

[commit-bot: I haz the power, 2016-11-04 17:40:22]

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

[vogelheim, 2016-11-04 17:41:42]

vogelheim@chromium.org changed reviewers:
+ ahaas@chromium.org

[vogelheim, 2016-11-04 17:41:43]

ptal.

[vogelheim, 2016-11-04 17:42:59]

The CQ bit was unchecked by vogelheim@chromium.org

[vogelheim, 2016-11-04 17:43:41]

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

[commit-bot: I haz the power, 2016-11-04 17:43:52]

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, 2016-11-04 18:03:53]

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

[commit-bot: I haz the power, 2016-11-04 18:03:55]

Dry run: This issue passed the CQ dry run.

[ahaas, 2016-11-04 18:48:22]

lgtm

[ahaas, 2016-11-04 18:51:23]

The CQ bit was checked by ahaas@chromium.org

[commit-bot: I haz the power, 2016-11-04 18:51:31]

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, 2016-11-04 18:53:46]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-17 22:23:42]

Description was changed from

==========
Fix memory leak in test-scanner.cc.

BUG=chromium:662388
==========

to

==========
Fix memory leak in test-scanner.cc.

BUG=chromium:662388

Committed: https://crrev.com/3019b49764c652ed2e894def25f480ad724cd68a
Cr-Commit-Position: refs/heads/master@{#40781}
==========

[commit-bot: I haz the power, 2016-11-17 22:23:43]

Patchset 1 (id:??) landed as
https://crrev.com/3019b49764c652ed2e894def25f480ad724cd68a
Cr-Commit-Position: refs/heads/master@{#40781}