Revert of Disable key_mobile_sites benchmarks which are timing out.

Revert of Disable key_mobile_sites benchmarks which are timing out. (patchset #1 id:1 of https://codereview.chromium.org/2754053002/ )

Reason for revert:
Root cause should be fixed.

Original issue's description:
> Disable key_mobile_sites benchmarks which are timing out.
> 
> BUG=702194
> TBR=nednguyen@google.com
> 
> Review-Url: https://codereview.chromium.org/2754053002
> Cr-Commit-Position: refs/heads/master@{#457435}
> Committed: https://chromium.googlesource.com/chromium/src/+/2b9c05fb215e52b9b360eb11118e3ee5c3b657e6

TBR=sullivan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=702194
Review-Url: https://codereview.chromium.org/2764323002
Cr-Commit-Position: refs/heads/master@{#458729}
Committed: https://chromium.googlesource.com/chromium/src/+/f96f72670ef6916a0be0b69e8be0424c10f2e019

[nednguyen, 2017-03-22 12:20:31]

The CQ bit was checked by nednguyen@google.com

[nednguyen, 2017-03-22 12:20:31]

Created Revert of Disable key_mobile_sites benchmarks which are timing out.

[commit-bot: I haz the power, 2017-03-22 12:20:43]

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, 2017-03-22 13:21:18]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490185231158450, "parent_rev":
"0fa5516411db46950188474b9382157d75810208", "commit_rev":
"f96f72670ef6916a0be0b69e8be0424c10f2e019"}

[commit-bot: I haz the power, 2017-03-22 13:22:08]

Description was changed from

==========
Revert of Disable key_mobile_sites benchmarks which are timing out. (patchset #1
id:1 of https://codereview.chromium.org/2754053002/ )

Reason for revert:
Root cause should be fixed.

Original issue's description:
> Disable key_mobile_sites benchmarks which are timing out.
> 
> BUG=702194
> TBR=nednguyen@google.com
> 
> Review-Url: https://codereview.chromium.org/2754053002
> Cr-Commit-Position: refs/heads/master@{#457435}
> Committed:
https://chromium.googlesource.com/chromium/src/+/2b9c05fb215e52b9b360eb11118e...

TBR=sullivan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=702194
==========

to

==========
Revert of Disable key_mobile_sites benchmarks which are timing out. (patchset #1
id:1 of https://codereview.chromium.org/2754053002/ )

Reason for revert:
Root cause should be fixed.

Original issue's description:
> Disable key_mobile_sites benchmarks which are timing out.
> 
> BUG=702194
> TBR=nednguyen@google.com
> 
> Review-Url: https://codereview.chromium.org/2754053002
> Cr-Commit-Position: refs/heads/master@{#457435}
> Committed:
https://chromium.googlesource.com/chromium/src/+/2b9c05fb215e52b9b360eb11118e...

TBR=sullivan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=702194

Review-Url: https://codereview.chromium.org/2764323002
Cr-Commit-Position: refs/heads/master@{#458729}
Committed:
https://chromium.googlesource.com/chromium/src/+/f96f72670ef6916a0be0b69e8be0...
==========

[commit-bot: I haz the power, 2017-03-22 13:22:09]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/f96f72670ef6916a0be0b69e8be0...