Revert of Disable container overflow check on Linux and Mac.

Revert of Disable container overflow check on Linux and Mac. (patchset #2 id:20001 of https://codereview.chromium.org/951083002/)

Reason for revert:
Container overflow is stable on linux, we can safely revert it.

Original issue's description:
> Disable container overflow check on Linux and Mac.
>
> BUG=459632
> TBR=glider@chromium.org
> NOTRY=true
>
> Committed: https://crrev.com/6c3ce96dedaf8f23fce9cbd9c5279fe20c531ac6
> Cr-Commit-Position: refs/heads/master@{#317681}

TBR=marcheu@chromium.org,glider@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=459632
Committed: https://crrev.com/d4a43f2240f2ea3332a2a9f552e7983e8b61c301
Cr-Commit-Position: refs/heads/master@{#324235}

[inferno, 2015-04-08 16:55:45]

Created Revert of Disable container overflow check on Linux and Mac.

[commit-bot: I haz the power, 2015-04-08 16:56:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1069793002/1

[commit-bot: I haz the power, 2015-04-08 16:57:56]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-08 16:58:54]

Patchset 1 (id:??) landed as
https://crrev.com/d4a43f2240f2ea3332a2a9f552e7983e8b61c301
Cr-Commit-Position: refs/heads/master@{#324235}

[Alexander Potapenko, 2015-04-09 11:32:19]

On 2015/04/08 16:58:54, I haz the power (commit-bot) wrote:
> Patchset 1 (id:??) landed as
> https://crrev.com/d4a43f2240f2ea3332a2a9f552e7983e8b61c301
> Cr-Commit-Position: refs/heads/master@{#324235}

LGTM