mash: Move status area overview button to //ash/common

mash: Move status area overview button to //ash/common

It is a dependency of StatusAreaWidget, which I'm trying to move.

It no longer has ash::Shell or aura/window dependencies.

BUG=619636
TEST=ash_unittests

Committed: https://crrev.com/0c6d15feee44c0d2bdbe61fe29a83e3700a7e08d
Cr-Commit-Position: refs/heads/master@{#403914}

[James Cook, 2016-07-01 23:53:03]

jamescook@chromium.org changed reviewers:
+ sky@chromium.org

[James Cook, 2016-07-01 23:53:04]

sky, can I get a rubber-stamp for this mechanical move?

[sky, 2016-07-04 23:48:08]

LGTM

[James Cook, 2016-07-06 15:37:20]

The CQ bit was checked by jamescook@chromium.org

[James Cook, 2016-07-06 15:37:21]

The patchset sent to the CQ was uploaded after l-g-t-m from sky@chromium.org
Link to the patchset: https://codereview.chromium.org/2121473002/#ps20001
(title: "rebase")

[commit-bot: I haz the power, 2016-07-06 15:37:35]

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, 2016-07-06 16:25:58]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-07-06 16:26:06]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-06 16:27:29]

Description was changed from

==========
mash: Move status area overview button to //ash/common

It is a dependency of StatusAreaWidget, which I'm trying to move.

It no longer has ash::Shell or aura/window dependencies.

BUG=619636
TEST=ash_unittests
==========

to

==========
mash: Move status area overview button to //ash/common

It is a dependency of StatusAreaWidget, which I'm trying to move.

It no longer has ash::Shell or aura/window dependencies.

BUG=619636
TEST=ash_unittests

Committed: https://crrev.com/0c6d15feee44c0d2bdbe61fe29a83e3700a7e08d
Cr-Commit-Position: refs/heads/master@{#403914}
==========

[commit-bot: I haz the power, 2016-07-06 16:27:30]

Patchset 2 (id:??) landed as
https://crrev.com/0c6d15feee44c0d2bdbe61fe29a83e3700a7e08d
Cr-Commit-Position: refs/heads/master@{#403914}