Revert of Disable WebRTC benchmark due to flakiness.

Revert of Disable WebRTC benchmark due to flakiness. (patchset #1 id:1 of https://codereview.chromium.org/684023002/)

Reason for revert:
Committed fix for flakiness: https://codereview.chromium.org/688163003/

Original issue's description:
> Disable WebRTC benchmark due to flakiness.
>
> TBR=tonyg@chromium.org, phoglund@chromium.org
> BUG=428157
>
> Committed: https://crrev.com/64709a0055eb91ceb5d29b4d6bfdaefa8380143d
> Cr-Commit-Position: refs/heads/master@{#301753}

TBR=phoglund@chromium.org,tonyg@chromium.org,dpranke@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=428157
Committed: https://crrev.com/3d2ce69122a9d4757c8d6c5e0b50974654daf809
Cr-Commit-Position: refs/heads/master@{#302093}

[slamm, 2014-10-30 16:49:09]

Created Revert of Disable WebRTC benchmark due to flakiness.

[commit-bot: I haz the power, 2014-10-30 16:49:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/688343002/1

[commit-bot: I haz the power, 2014-10-30 16:50:35]

Committed patchset #1 (id:1)

[slamm, 2014-10-30 16:51:02]

On 2014/10/30 16:49:09, slamm wrote:
> Created Revert of Disable WebRTC benchmark due to flakiness.

Is a revert the correct way to reenable the test?

[commit-bot: I haz the power, 2014-10-30 16:51:11]

Patchset 1 (id:??) landed as
https://crrev.com/3d2ce69122a9d4757c8d6c5e0b50974654daf809
Cr-Commit-Position: refs/heads/master@{#302093}

[tonyg, 2014-10-30 16:56:55]

On 2014/10/30 16:51:11, I haz the power (commit-bot) wrote:
> Patchset 1 (id:??) landed as
> https://crrev.com/3d2ce69122a9d4757c8d6c5e0b50974654daf809
> Cr-Commit-Position: refs/heads/master@{#302093}

Yep. Please swing back around to the flakiness dashboard though to verify that
it is, in fact, fixed.

http://build.chromium.org/f/chromium/flakiness/