Revert of Disable CrossProcessHistory and CrossProcessFragment with PlzNavigate.

Revert of Disable CrossProcessHistory and CrossProcessFragment with PlzNavigate. (patchset #1 id:1 of https://codereview.chromium.org/2797753002/ )

Reason for revert:
Test is flaky without PlzNavigate also: https://uberchromegw.corp.google.com/i/chromium.linux/builders/Linux%20Tests/builds/54421

Original issue's description:
> Disable CrossProcessHistory and CrossProcessFragment with PlzNavigate.
> 
> These two tests were fully disabled due to flakiness. However, they
> only flake with PlzNavigate enabled, so this CL enables them with the
> current navigation code.
> 
> BUG=708139
> 
> Review-Url: https://codereview.chromium.org/2797753002
> Cr-Commit-Position: refs/heads/master@{#461769}
> Committed: https://chromium.googlesource.com/chromium/src/+/6d1a7f6758769bb73a40ff8b8d21aa3b580a4926

TBR=alexmos@chromium.org,nasko@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=708139
Review-Url: https://codereview.chromium.org/2803013002
Cr-Commit-Position: refs/heads/master@{#462454}
Committed: https://chromium.googlesource.com/chromium/src/+/17fc62872e411a7ab02f9f352763073e43d38916

[Elly Fong-Jones, 2017-04-06 13:20:15]

The CQ bit was checked by ellyjones@chromium.org

[Elly Fong-Jones, 2017-04-06 13:20:16]

Created Revert of Disable CrossProcessHistory and CrossProcessFragment with
PlzNavigate.

[commit-bot: I haz the power, 2017-04-06 13:20:31]

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, 2017-04-06 13:59:42]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491484815766750, "parent_rev":
"bdb70266f313724bc2127961ff5e240a49a19114", "commit_rev":
"17fc62872e411a7ab02f9f352763073e43d38916"}

[commit-bot: I haz the power, 2017-04-06 14:00:31]

Description was changed from

==========
Revert of Disable CrossProcessHistory and CrossProcessFragment with PlzNavigate.
(patchset #1 id:1 of https://codereview.chromium.org/2797753002/ )

Reason for revert:
Test is flaky without PlzNavigate also:
https://uberchromegw.corp.google.com/i/chromium.linux/builders/Linux%20Tests/...

Original issue's description:
> Disable CrossProcessHistory and CrossProcessFragment with PlzNavigate.
> 
> These two tests were fully disabled due to flakiness. However, they
> only flake with PlzNavigate enabled, so this CL enables them with the
> current navigation code.
> 
> BUG=708139
> 
> Review-Url: https://codereview.chromium.org/2797753002
> Cr-Commit-Position: refs/heads/master@{#461769}
> Committed:
https://chromium.googlesource.com/chromium/src/+/6d1a7f6758769bb73a40ff8b8d21...

TBR=alexmos@chromium.org,nasko@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=708139
==========

to

==========
Revert of Disable CrossProcessHistory and CrossProcessFragment with PlzNavigate.
(patchset #1 id:1 of https://codereview.chromium.org/2797753002/ )

Reason for revert:
Test is flaky without PlzNavigate also:
https://uberchromegw.corp.google.com/i/chromium.linux/builders/Linux%20Tests/...

Original issue's description:
> Disable CrossProcessHistory and CrossProcessFragment with PlzNavigate.
> 
> These two tests were fully disabled due to flakiness. However, they
> only flake with PlzNavigate enabled, so this CL enables them with the
> current navigation code.
> 
> BUG=708139
> 
> Review-Url: https://codereview.chromium.org/2797753002
> Cr-Commit-Position: refs/heads/master@{#461769}
> Committed:
https://chromium.googlesource.com/chromium/src/+/6d1a7f6758769bb73a40ff8b8d21...

TBR=alexmos@chromium.org,nasko@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=708139

Review-Url: https://codereview.chromium.org/2803013002
Cr-Commit-Position: refs/heads/master@{#462454}
Committed:
https://chromium.googlesource.com/chromium/src/+/17fc62872e411a7ab02f9f352763...
==========

[commit-bot: I haz the power, 2017-04-06 14:00:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/17fc62872e411a7ab02f9f352763...