Fixes possible crash in content shell shutdown

Fixes possible crash in content shell shutdown

Destruction of WMState needs to be after ShellPlatformDataAura.

BUG=660548
TEST=covered by tests
R=ben@chromium.org

Committed: https://crrev.com/8634758638eb923138722ccfc16e2c5a2d965a2f
Cr-Commit-Position: refs/heads/master@{#428767}

[sky, 2016-10-31 15:49:57]

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

[commit-bot: I haz the power, 2016-10-31 15:50:21]

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, 2016-10-31 16:29:51]

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

[commit-bot: I haz the power, 2016-10-31 16:29:51]

Dry run: This issue passed the CQ dry run.

[Ben Goodger (Google), 2016-10-31 19:01:51]

lgtm

[sky, 2016-10-31 19:15:52]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2016-10-31 19:16:22]

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, 2016-10-31 19:28:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-31 19:49:31]

Description was changed from

==========
Fixes possible crash in content shell shutdown

Destruction of WMState needs to be after ShellPlatformDataAura.

BUG=660548
TEST=covered by tests
R=ben@chromium.org
==========

to

==========
Fixes possible crash in content shell shutdown

Destruction of WMState needs to be after ShellPlatformDataAura.

BUG=660548
TEST=covered by tests
R=ben@chromium.org

Committed: https://crrev.com/8634758638eb923138722ccfc16e2c5a2d965a2f
Cr-Commit-Position: refs/heads/master@{#428767}
==========

[commit-bot: I haz the power, 2016-10-31 19:49:32]

Patchset 1 (id:??) landed as
https://crrev.com/8634758638eb923138722ccfc16e2c5a2d965a2f
Cr-Commit-Position: refs/heads/master@{#428767}