mash: Migrate ShowSetTimeDialog from SystemTrayDelegate to mojo

mash: Migrate ShowSetTimeDialog from SystemTrayDelegate to mojo

This is part of the mustash refactoring of ash.

Migrate to the existing SystemTrayClient mojo interface.

BUG=647412
TEST=show time settings via system tray at the login screen

Committed: https://crrev.com/3a3d9e2aeb2beee0db8288d57ff3f473b1841f0e
Cr-Commit-Position: refs/heads/master@{#427104}

[James Cook, 2016-10-21 23:11:19]

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

[James Cook, 2016-10-21 23:11:46]

jamescook@chromium.org changed reviewers:
+ msw@chromium.org, tsepez@chromium.org

[James Cook, 2016-10-21 23:11:46]

msw, please take a look at everything.

tsepez, please take a look at ash/public/interfaces/system_tray.mojom

[commit-bot: I haz the power, 2016-10-21 23:12:05]

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

[msw, 2016-10-21 23:22:50]

lgtm

[Tom Sepez, 2016-10-22 00:12:42]

lgtm

[commit-bot: I haz the power, 2016-10-22 03:47:23]

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

[commit-bot: I haz the power, 2016-10-22 03:47:24]

Dry run: This issue passed the CQ dry run.

[James Cook, 2016-10-24 17:57:01]

The CQ bit was checked by jamescook@chromium.org

[James Cook, 2016-10-24 17:57:02]

The patchset sent to the CQ was uploaded after l-g-t-m from tsepez@chromium.org,
msw@chromium.org
Link to the patchset: https://codereview.chromium.org/2438023004/#ps20001
(title: "rebase")

[commit-bot: I haz the power, 2016-10-24 17:57:42]

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, 2016-10-24 18:46:01]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-10-24 18:54:12]

Description was changed from

==========
mash: Migrate ShowSetTimeDialog from SystemTrayDelegate to mojo

This is part of the mustash refactoring of ash.

Migrate to the existing SystemTrayClient mojo interface.

BUG=647412
TEST=show time settings via system tray at the login screen
==========

to

==========
mash: Migrate ShowSetTimeDialog from SystemTrayDelegate to mojo

This is part of the mustash refactoring of ash.

Migrate to the existing SystemTrayClient mojo interface.

BUG=647412
TEST=show time settings via system tray at the login screen

Committed: https://crrev.com/3a3d9e2aeb2beee0db8288d57ff3f473b1841f0e
Cr-Commit-Position: refs/heads/master@{#427104}
==========

[commit-bot: I haz the power, 2016-10-24 18:54:13]

Patchset 2 (id:??) landed as
https://crrev.com/3a3d9e2aeb2beee0db8288d57ff3f473b1841f0e
Cr-Commit-Position: refs/heads/master@{#427104}