Convert determining restore bounds to use ash/common type

Convert determining restore bounds to use ash/common type

This change converts from using views::Widget to determine restore
bounds to using WindowState and WmWindow. This way the code can be
ported to use work in mash.

BUG=612629
TEST=covered by tests
R=skuhne@chromium.org

Committed: https://crrev.com/b132099e1c9edf0dc8038098aae6ba4da677622c
Cr-Commit-Position: refs/heads/master@{#401877}

[Mr4D (OOO till 08-26), 2016-06-24 05:40:17]

lgtm

[sky, 2016-06-24 15:40:00]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2016-06-24 15:40:55]

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, 2016-06-24 16:31:11]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-06-24 16:37:05]

Description was changed from

==========
Convert determining restore bounds to use ash/common type

This change converts from using views::Widget to determine restore
bounds to using WindowState and WmWindow. This way the code can be
ported to use work in mash.

BUG=612629
TEST=covered by tests
R=skuhne@chromium.org
==========

to

==========
Convert determining restore bounds to use ash/common type

This change converts from using views::Widget to determine restore
bounds to using WindowState and WmWindow. This way the code can be
ported to use work in mash.

BUG=612629
TEST=covered by tests
R=skuhne@chromium.org

Committed: https://crrev.com/b132099e1c9edf0dc8038098aae6ba4da677622c
Cr-Commit-Position: refs/heads/master@{#401877}
==========

[commit-bot: I haz the power, 2016-06-24 16:37:06]

Patchset 2 (id:??) landed as
https://crrev.com/b132099e1c9edf0dc8038098aae6ba4da677622c
Cr-Commit-Position: refs/heads/master@{#401877}