Revert of Disable flaky MetricsServiceBrowserTest#CloseRenderersNormally.

Revert of Disable flaky MetricsServiceBrowserTest#CloseRenderersNormally. (patchset #1 id:1 of https://codereview.chromium.org/2231443003/ )

Reason for revert:
Re-enabling test given the underlying issue has been fixed.

Original issue's description:
> Disable flaky MetricsServiceBrowserTest#CloseRenderersNormally.
>
> BUG=636052
> TBR=asvitkine@chromium.org
>
> Committed: https://crrev.com/f0b0de291ba041ed4bb40a0e3ead7d8324acdd49
> Cr-Commit-Position: refs/heads/master@{#410830}

TBR=esprehn@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636052
Committed: https://crrev.com/574fe529a9e808c41489f6b2acf6c9b835e90e8e
Cr-Commit-Position: refs/heads/master@{#411840}

[Alexei Svitkine (slow), 2016-08-13 00:09:49]

The CQ bit was checked by asvitkine@chromium.org

[Alexei Svitkine (slow), 2016-08-13 00:09:50]

Created Revert of Disable flaky
MetricsServiceBrowserTest#CloseRenderersNormally.

[commit-bot: I haz the power, 2016-08-13 00:10:25]

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, 2016-08-13 01:03:44]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-13 01:08:47]

Description was changed from

==========
Revert of Disable flaky MetricsServiceBrowserTest#CloseRenderersNormally.
(patchset #1 id:1 of https://codereview.chromium.org/2231443003/ )

Reason for revert:
Re-enabling test given the underlying issue has been fixed.

Original issue's description:
> Disable flaky MetricsServiceBrowserTest#CloseRenderersNormally.
> 
> BUG=636052
> TBR=asvitkine@chromium.org
> 
> Committed: https://crrev.com/f0b0de291ba041ed4bb40a0e3ead7d8324acdd49
> Cr-Commit-Position: refs/heads/master@{#410830}

TBR=esprehn@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636052
==========

to

==========
Revert of Disable flaky MetricsServiceBrowserTest#CloseRenderersNormally.
(patchset #1 id:1 of https://codereview.chromium.org/2231443003/ )

Reason for revert:
Re-enabling test given the underlying issue has been fixed.

Original issue's description:
> Disable flaky MetricsServiceBrowserTest#CloseRenderersNormally.
>
> BUG=636052
> TBR=asvitkine@chromium.org
>
> Committed: https://crrev.com/f0b0de291ba041ed4bb40a0e3ead7d8324acdd49
> Cr-Commit-Position: refs/heads/master@{#410830}

TBR=esprehn@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636052

Committed: https://crrev.com/574fe529a9e808c41489f6b2acf6c9b835e90e8e
Cr-Commit-Position: refs/heads/master@{#411840}
==========

[commit-bot: I haz the power, 2016-08-13 01:08:48]

Patchset 1 (id:??) landed as
https://crrev.com/574fe529a9e808c41489f6b2acf6c9b835e90e8e
Cr-Commit-Position: refs/heads/master@{#411840}