[mus+ash] Removes WmWindow from ash/wm/overview and ash/wm/workspace

[mus+ash] Removes WmWindow from ash/wm/overview and ash/wm/workspace

BUG=722553
TEST=None (refactoring)

Review-Url: https://codereview.chromium.org/2908793002
Cr-Commit-Position: refs/heads/master@{#475096}
Committed: https://chromium.googlesource.com/chromium/src/+/ae5decc21d826351ebb953cab11c0014ea35585d

[varkha, 2017-05-26 18:03:15]

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

[commit-bot: I haz the power, 2017-05-26 18:04:04]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[varkha, 2017-05-26 18:07:51]

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

[varkha, 2017-05-26 18:07:51]

sky@, can you please take a look at the next installment? I think the only thing
left in ash/wm is focus_rules that uses CanShowWindowForUser(). I will fix that
next.

Thanks for turning those so quick!

[commit-bot: I haz the power, 2017-05-26 18:44:00]

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

[commit-bot: I haz the power, 2017-05-26 18:44:01]

Dry run: This issue passed the CQ dry run.

[sky, 2017-05-26 19:10:21]

LGTM

[varkha, 2017-05-26 19:43:37]

The CQ bit was checked by varkha@chromium.org

[commit-bot: I haz the power, 2017-05-26 19:44:08]

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, 2017-05-26 20:05:41]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1495827817897920, "parent_rev":
"f36c34ba3d82f9b884b1a9da62cc1b6febf71f7a", "commit_rev":
"ae5decc21d826351ebb953cab11c0014ea35585d"}

[commit-bot: I haz the power, 2017-05-26 20:05:51]

Description was changed from

==========
[mus+ash] Removes WmWindow from ash/wm/overview and ash/wm/workspace

BUG=722553
TEST=None (refactoring)
==========

to

==========
[mus+ash] Removes WmWindow from ash/wm/overview and ash/wm/workspace

BUG=722553
TEST=None (refactoring)

Review-Url: https://codereview.chromium.org/2908793002
Cr-Commit-Position: refs/heads/master@{#475096}
Committed:
https://chromium.googlesource.com/chromium/src/+/ae5decc21d826351ebb953cab11c...
==========

[commit-bot: I haz the power, 2017-05-26 20:05:53]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/ae5decc21d826351ebb953cab11c...