Revert of Remove calls to MessageLoop::current() in ios.

Revert of Remove calls to MessageLoop::current() in ios. (patchset #1 id:1 of https://codereview.chromium.org/2079423002/ )

Reason for revert:
This causes crashes during browser startup.

Original issue's description:
> Remove calls to MessageLoop::current() in ios.
>
> Why?
> The fact that there's a MessageLoop on the thread is an
> unnecessary implementation detail. When browser threads
> are migrated to base/task_scheduler, tasks will no longer
> have access to a MessageLoop.
>
> These changes were generated manually.
>
> BUG=616447
> R=droger@chromium.org
>
> Committed: https://crrev.com/c5c127abb5f0d8ba0dd34cfbd6233bbf9209f0f2
> Cr-Commit-Position: refs/heads/master@{#401027}

TBR=sdefresne@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=616447
Committed: https://crrev.com/dce56180ec95f2609b67a40a28c284ef8025dd76
Cr-Commit-Position: refs/heads/master@{#417583}

[fdoray, 2016-09-09 14:00:48]

The CQ bit was checked by fdoray@chromium.org

[fdoray, 2016-09-09 14:00:48]

Created Revert of Remove calls to MessageLoop::current() in ios.

[commit-bot: I haz the power, 2016-09-09 14:00:56]

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, 2016-09-09 14:02:24]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-09-09 14:02:25]

Try jobs failed on following builders:
  ios-device on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device/builds...)
  ios-simulator on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator/bui...)
  mac_chromium_rel_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[sdefresne, 2016-09-09 14:03:45]

On 2016/09/09 14:02:25, commit-bot: I haz the power wrote:
> Try jobs failed on following builders:
>   ios-device on master.tryserver.chromium.mac (JOB_FAILED,
>
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device/builds...)
>   ios-simulator on master.tryserver.chromium.mac (JOB_FAILED,
>
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator/bui...)
>   mac_chromium_rel_ng on master.tryserver.chromium.mac (JOB_FAILED,
>
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

No longer applies cleanly, will have to revert by hand.

[fdoray, 2016-09-09 14:15:13]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2016-09-09 14:15:36]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[fdoray, 2016-09-09 14:16:22]

Description was changed from

==========
Revert of Remove calls to MessageLoop::current() in ios. (patchset #1 id:1 of
https://codereview.chromium.org/2079423002/ )

Reason for revert:
This causes crashes during browser startup.

Original issue's description:
> Remove calls to MessageLoop::current() in ios.
> 
> Why?
> The fact that there's a MessageLoop on the thread is an
> unnecessary implementation detail. When browser threads
> are migrated to base/task_scheduler, tasks will no longer
> have access to a MessageLoop.
> 
> These changes were generated manually.
> 
> BUG=616447
> R=droger@chromium.org
> 
> Committed: https://crrev.com/c5c127abb5f0d8ba0dd34cfbd6233bbf9209f0f2
> Cr-Commit-Position: refs/heads/master@{#401027}

TBR=sdefresne@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=616447
==========

to

==========
Revert of Remove calls to MessageLoop::current() in ios. (patchset #1 id:1 of
https://codereview.chromium.org/2079423002/ )

Reason for revert:
This causes crashes during browser startup.

Original issue's description:
> Remove calls to MessageLoop::current() in ios.
> 
> Why?
> The fact that there's a MessageLoop on the thread is an
> unnecessary implementation detail. When browser threads
> are migrated to base/task_scheduler, tasks will no longer
> have access to a MessageLoop.
> 
> These changes were generated manually.
> 
> BUG=616447
> R=droger@chromium.org
> 
> Committed: https://crrev.com/c5c127abb5f0d8ba0dd34cfbd6233bbf9209f0f2
> Cr-Commit-Position: refs/heads/master@{#401027}

TBR=sdefresne@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=616447
==========

[commit-bot: I haz the power, 2016-09-09 14:52:44]

Description was changed from

==========
Revert of Remove calls to MessageLoop::current() in ios. (patchset #1 id:1 of
https://codereview.chromium.org/2079423002/ )

Reason for revert:
This causes crashes during browser startup.

Original issue's description:
> Remove calls to MessageLoop::current() in ios.
> 
> Why?
> The fact that there's a MessageLoop on the thread is an
> unnecessary implementation detail. When browser threads
> are migrated to base/task_scheduler, tasks will no longer
> have access to a MessageLoop.
> 
> These changes were generated manually.
> 
> BUG=616447
> R=droger@chromium.org
> 
> Committed: https://crrev.com/c5c127abb5f0d8ba0dd34cfbd6233bbf9209f0f2
> Cr-Commit-Position: refs/heads/master@{#401027}

TBR=sdefresne@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=616447
==========

to

==========
Revert of Remove calls to MessageLoop::current() in ios. (patchset #1 id:1 of
https://codereview.chromium.org/2079423002/ )

Reason for revert:
This causes crashes during browser startup.

Original issue's description:
> Remove calls to MessageLoop::current() in ios.
> 
> Why?
> The fact that there's a MessageLoop on the thread is an
> unnecessary implementation detail. When browser threads
> are migrated to base/task_scheduler, tasks will no longer
> have access to a MessageLoop.
> 
> These changes were generated manually.
> 
> BUG=616447
> R=droger@chromium.org
> 
> Committed: https://crrev.com/c5c127abb5f0d8ba0dd34cfbd6233bbf9209f0f2
> Cr-Commit-Position: refs/heads/master@{#401027}

TBR=sdefresne@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=616447
==========

[commit-bot: I haz the power, 2016-09-09 14:52:47]

Committed patchset #2 (id:70001)

[commit-bot: I haz the power, 2016-09-09 14:54:01]

Description was changed from

==========
Revert of Remove calls to MessageLoop::current() in ios. (patchset #1 id:1 of
https://codereview.chromium.org/2079423002/ )

Reason for revert:
This causes crashes during browser startup.

Original issue's description:
> Remove calls to MessageLoop::current() in ios.
> 
> Why?
> The fact that there's a MessageLoop on the thread is an
> unnecessary implementation detail. When browser threads
> are migrated to base/task_scheduler, tasks will no longer
> have access to a MessageLoop.
> 
> These changes were generated manually.
> 
> BUG=616447
> R=droger@chromium.org
> 
> Committed: https://crrev.com/c5c127abb5f0d8ba0dd34cfbd6233bbf9209f0f2
> Cr-Commit-Position: refs/heads/master@{#401027}

TBR=sdefresne@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=616447
==========

to

==========
Revert of Remove calls to MessageLoop::current() in ios. (patchset #1 id:1 of
https://codereview.chromium.org/2079423002/ )

Reason for revert:
This causes crashes during browser startup.

Original issue's description:
> Remove calls to MessageLoop::current() in ios.
>
> Why?
> The fact that there's a MessageLoop on the thread is an
> unnecessary implementation detail. When browser threads
> are migrated to base/task_scheduler, tasks will no longer
> have access to a MessageLoop.
>
> These changes were generated manually.
>
> BUG=616447
> R=droger@chromium.org
>
> Committed: https://crrev.com/c5c127abb5f0d8ba0dd34cfbd6233bbf9209f0f2
> Cr-Commit-Position: refs/heads/master@{#401027}

TBR=sdefresne@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=616447

Committed: https://crrev.com/dce56180ec95f2609b67a40a28c284ef8025dd76
Cr-Commit-Position: refs/heads/master@{#417583}
==========

[commit-bot: I haz the power, 2016-09-09 14:54:02]

Patchset 2 (id:??) landed as
https://crrev.com/dce56180ec95f2609b67a40a28c284ef8025dd76
Cr-Commit-Position: refs/heads/master@{#417583}