Delete WindowManagerWindowTreeFactorySetTestApi.

Delete WindowManagerWindowTreeFactorySetTestApi.

This class can be trivially replaced with a simple function. It no
longer has any need to be a friend class to other classes.

BUG=663907
Committed: https://crrev.com/8624207f2e1fe2961f12bfeae6df773fa1e3f12e
Cr-Commit-Position: refs/heads/master@{#431698}

[kylechar, 2016-11-10 18:44:09]

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

[sky, 2016-11-10 21:11:23]

Nice cleanup! LGTM

[kylechar, 2016-11-11 22:22:39]

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

[commit-bot: I haz the power, 2016-11-11 22:23:25]

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, 2016-11-11 23:12:09]

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

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

Dry run: This issue passed the CQ dry run.

[kylechar, 2016-11-11 23:35:53]

The CQ bit was checked by kylechar@chromium.org

[commit-bot: I haz the power, 2016-11-11 23:36:24]

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, 2016-11-12 00:24:19]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-11-12 00:26:49]

Description was changed from

==========
Delete WindowManagerWindowTreeFactorySetTestApi.

This class can be trivially replaced with a simple function. It no
longer has any need to be a friend class to other classes.

BUG=663907
==========

to

==========
Delete WindowManagerWindowTreeFactorySetTestApi.

This class can be trivially replaced with a simple function. It no
longer has any need to be a friend class to other classes.

BUG=663907

Committed: https://crrev.com/8624207f2e1fe2961f12bfeae6df773fa1e3f12e
Cr-Commit-Position: refs/heads/master@{#431698}
==========

[commit-bot: I haz the power, 2016-11-12 00:26:50]

Patchset 2 (id:??) landed as
https://crrev.com/8624207f2e1fe2961f12bfeae6df773fa1e3f12e
Cr-Commit-Position: refs/heads/master@{#431698}