Remove static_cast<base::MessageLoopForUI*> from aw_contents_client_bridge.cc.

Remove static_cast<base::MessageLoopForUI*> from aw_contents_client_bridge.cc.

In preparation for the migration of BrowserThreads to TaskScheduler,
we want to remove calls to MessageLoop::current().
MessageLoopForUI::current() is still supported.

BUG=650723
Committed: https://crrev.com/ee1e0f0692c8407eb77db45a19633d566821cf25
Cr-Commit-Position: refs/heads/master@{#424713}

[fdoray, 2016-10-11 18:05:29]

The CQ bit was checked by fdoray@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-11 18:05:50]

Dry run: 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, 2016-10-11 18:29:42]

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

[commit-bot: I haz the power, 2016-10-11 18:29:43]

Dry run: This issue passed the CQ dry run.

[fdoray, 2016-10-11 18:32:54]

fdoray@chromium.org changed reviewers:
+ tobiasjs@chromium.org

[fdoray, 2016-10-11 18:32:54]

PTAL

[Tobias Sargeant, 2016-10-12 10:22:24]

lgtm

[fdoray, 2016-10-12 11:23:22]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2016-10-12 11:23:34]

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, 2016-10-12 11:27:23]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-12 11:29:37]

Description was changed from

==========
Remove static_cast<base::MessageLoopForUI*> from aw_contents_client_bridge.cc.

In preparation for the migration of BrowserThreads to TaskScheduler,
we want to remove calls to MessageLoop::current().
MessageLoopForUI::current() is still supported.

BUG=650723
==========

to

==========
Remove static_cast<base::MessageLoopForUI*> from aw_contents_client_bridge.cc.

In preparation for the migration of BrowserThreads to TaskScheduler,
we want to remove calls to MessageLoop::current().
MessageLoopForUI::current() is still supported.

BUG=650723

Committed: https://crrev.com/ee1e0f0692c8407eb77db45a19633d566821cf25
Cr-Commit-Position: refs/heads/master@{#424713}
==========

[commit-bot: I haz the power, 2016-10-12 11:29:38]

Patchset 1 (id:??) landed as
https://crrev.com/ee1e0f0692c8407eb77db45a19633d566821cf25
Cr-Commit-Position: refs/heads/master@{#424713}