Remove stl_util's deletion function use from content/.

Remove stl_util's deletion function use from content/.

BUG=555865
Committed: https://crrev.com/cebda79248867b1ae529fdfab8b46842c029c729
Cr-Commit-Position: refs/heads/master@{#426832}

[Avi (use Gerrit), 2016-10-20 01:23:57]

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

[commit-bot: I haz the power, 2016-10-20 01:24:36]

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, 2016-10-20 02:07:49]

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

[commit-bot: I haz the power, 2016-10-20 02:07:50]

Dry run: Try jobs failed on following builders:
  cast_shell_linux on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/cast_shell_linu...)

[Avi (use Gerrit), 2016-10-20 15:17:56]

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

[commit-bot: I haz the power, 2016-10-20 15:18:19]

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, 2016-10-20 16:23:10]

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

[commit-bot: I haz the power, 2016-10-20 16:23:11]

Dry run: This issue passed the CQ dry run.

[Avi (use Gerrit), 2016-10-20 17:38:05]

avi@chromium.org changed reviewers:
+ jam@chromium.org

[Avi (use Gerrit), 2016-10-20 17:38:06]

Pan-content removal...

[jam, 2016-10-21 15:56:12]

lgtm

[Avi (use Gerrit), 2016-10-21 16:20:56]

The CQ bit was checked by avi@chromium.org

[commit-bot: I haz the power, 2016-10-21 16:21:16]

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, 2016-10-21 17:38:30]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-10-21 17:41:18]

Description was changed from

==========
Remove stl_util's deletion function use from content/.

BUG=555865
==========

to

==========
Remove stl_util's deletion function use from content/.

BUG=555865

Committed: https://crrev.com/cebda79248867b1ae529fdfab8b46842c029c729
Cr-Commit-Position: refs/heads/master@{#426832}
==========

[commit-bot: I haz the power, 2016-10-21 17:41:19]

Patchset 2 (id:??) landed as
https://crrev.com/cebda79248867b1ae529fdfab8b46842c029c729
Cr-Commit-Position: refs/heads/master@{#426832}