Revert of Disable failing blink_style.key_mobile_sites

Revert of Disable failing blink_style.key_mobile_sites (patchset #1 id:1 of https://codereview.chromium.org/2758533003/ )

Reason for revert:
Root cause should be fixed.

Original issue's description:
> Disable failing blink_style.key_mobile_sites
> 
> BUG=702194
> 
> Review-Url: https://codereview.chromium.org/2758533003
> Cr-Commit-Position: refs/heads/master@{#457432}
> Committed: https://chromium.googlesource.com/chromium/src/+/4d954851ba9c129b4529302f77862f6b812165d8

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/2768683005
Cr-Commit-Position: refs/heads/master@{#458730}
Committed: https://chromium.googlesource.com/chromium/src/+/c4928c8fba4766c4fb25cbb0ecce574101b29aca

[nednguyen, 2017-03-22 12:20:11]

The CQ bit was checked by nednguyen@google.com

[nednguyen, 2017-03-22 12:20:11]

Created Revert of Disable failing blink_style.key_mobile_sites

[commit-bot: I haz the power, 2017-03-22 12:20:21]

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 13:24:36]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490185211334540, "parent_rev":
"f96f72670ef6916a0be0b69e8be0424c10f2e019", "commit_rev":
"c4928c8fba4766c4fb25cbb0ecce574101b29aca"}

[commit-bot: I haz the power, 2017-03-22 13:25:17]

Description was changed from

==========
Revert of Disable failing blink_style.key_mobile_sites (patchset #1 id:1 of
https://codereview.chromium.org/2758533003/ )

Reason for revert:
Root cause should be fixed.

Original issue's description:
> Disable failing blink_style.key_mobile_sites
> 
> BUG=702194
> 
> Review-Url: https://codereview.chromium.org/2758533003
> Cr-Commit-Position: refs/heads/master@{#457432}
> Committed:
https://chromium.googlesource.com/chromium/src/+/4d954851ba9c129b4529302f7786...

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

to

==========
Revert of Disable failing blink_style.key_mobile_sites (patchset #1 id:1 of
https://codereview.chromium.org/2758533003/ )

Reason for revert:
Root cause should be fixed.

Original issue's description:
> Disable failing blink_style.key_mobile_sites
> 
> BUG=702194
> 
> Review-Url: https://codereview.chromium.org/2758533003
> Cr-Commit-Position: refs/heads/master@{#457432}
> Committed:
https://chromium.googlesource.com/chromium/src/+/4d954851ba9c129b4529302f7786...

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/2768683005
Cr-Commit-Position: refs/heads/master@{#458730}
Committed:
https://chromium.googlesource.com/chromium/src/+/c4928c8fba4766c4fb25cbb0ecce...
==========

[commit-bot: I haz the power, 2017-03-22 13:25:18]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c4928c8fba4766c4fb25cbb0ecce...

[rnephew (Reviews Here), 2017-03-28 21:33:36]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2785553002/ by rnephew@chromium.org.

The reason for reverting is: The tests are still failing in the same way..