Revert of Add testing config for OverlayFullscreenVideo.

Revert of Add testing config for OverlayFullscreenVideo. (patchset #1 id:1 of https://codereview.chromium.org/2291413002/ )

Reason for revert:
Turns out we shouldn't do this for optimization experiments, since we don't actually want this enabled for all dev builds.

Original issue's description:
> Add testing config for OverlayFullscreenVideo.
>
> BUG=642571
>
> Committed: https://crrev.com/99fce27763b037227011e357502b1c700477d153
> Cr-Commit-Position: refs/heads/master@{#415825}

TBR=asvitkine@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=642571
Committed: https://crrev.com/4e36c9cd407f42368f7d2f5df5806a33303187b8
Cr-Commit-Position: refs/heads/master@{#416397}

[sandersd (OOO until July 31), 2016-09-02 23:01:22]

The CQ bit was checked by sandersd@chromium.org

[sandersd (OOO until July 31), 2016-09-02 23:01:23]

Created Revert of Add testing config for OverlayFullscreenVideo.

[commit-bot: I haz the power, 2016-09-02 23:02:14]

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, 2016-09-02 23:51:31]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-02 23:53:24]

Description was changed from

==========
Revert of Add testing config for OverlayFullscreenVideo. (patchset #1 id:1 of
https://codereview.chromium.org/2291413002/ )

Reason for revert:
Turns out we shouldn't do this for optimization experiments, since we don't
actually want this enabled for all dev builds.

Original issue's description:
> Add testing config for OverlayFullscreenVideo.
> 
> BUG=642571
> 
> Committed: https://crrev.com/99fce27763b037227011e357502b1c700477d153
> Cr-Commit-Position: refs/heads/master@{#415825}

TBR=asvitkine@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=642571
==========

to

==========
Revert of Add testing config for OverlayFullscreenVideo. (patchset #1 id:1 of
https://codereview.chromium.org/2291413002/ )

Reason for revert:
Turns out we shouldn't do this for optimization experiments, since we don't
actually want this enabled for all dev builds.

Original issue's description:
> Add testing config for OverlayFullscreenVideo.
>
> BUG=642571
>
> Committed: https://crrev.com/99fce27763b037227011e357502b1c700477d153
> Cr-Commit-Position: refs/heads/master@{#415825}

TBR=asvitkine@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=642571

Committed: https://crrev.com/4e36c9cd407f42368f7d2f5df5806a33303187b8
Cr-Commit-Position: refs/heads/master@{#416397}
==========

[commit-bot: I haz the power, 2016-09-02 23:53:25]

Patchset 1 (id:??) landed as
https://crrev.com/4e36c9cd407f42368f7d2f5df5806a33303187b8
Cr-Commit-Position: refs/heads/master@{#416397}