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

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
BUG=616447, 634907
Review-Url: https://codereview.chromium.org/2326053002
Cr-Commit-Position: refs/heads/master@{#417583}
(cherry picked from commit dce56180ec95f2609b67a40a28c284ef8025dd76)

Committed: https://chromium.googlesource.com/chromium/src/+/b6cdd5581ab37389cdbed12ecc71d76e94b19f95

[fdoray, 2016-09-09 18:40:33]

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
BUG=616447,634907

Review-Url: https://codereview.chromium.org/2326053002
Cr-Commit-Position: refs/heads/master@{#417583}
(cherry picked from commit dce56180ec95f2609b67a40a28c284ef8025dd76)
==========

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
BUG=616447,634907

Review-Url: https://codereview.chromium.org/2326053002
Cr-Commit-Position: refs/heads/master@{#417583}
(cherry picked from commit dce56180ec95f2609b67a40a28c284ef8025dd76)

Committed:
https://chromium.googlesource.com/chromium/src/+/b6cdd5581ab37389cdbed12ecc71...
==========

[fdoray, 2016-09-09 18:40:34]

Committed patchset #1 (id:1) manually as
b6cdd5581ab37389cdbed12ecc71d76e94b19f95.

[sdefresne, 2016-09-12 08:14:47]

lgtm