Fix undefined DesktopWindowTreeHost::GetNativeTheme for Ozone desktop

Fix undefined DesktopWindowTreeHost::GetNativeTheme for Ozone desktop

Using the Aura native theme as it is the default or the fallback on most
platforms.

BUG=none

Committed: https://crrev.com/fb905b82d7ef835e928e4173e920319579415dfa
Cr-Commit-Position: refs/heads/master@{#361929}

[dnicoara, 2015-11-26 18:48:46]

dnicoara@chromium.org changed reviewers:
+ sadrul@chromium.org

[dnicoara, 2015-11-26 18:48:46]

PTAL

[dnicoara, 2015-11-26 18:48:52]

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

[commit-bot: I haz the power, 2015-11-26 18:49:08]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1473973004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1473973004/1

[sadrul, 2015-11-26 20:07:54]

lgtm

[commit-bot: I haz the power, 2015-11-26 21:10:56]

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

[commit-bot: I haz the power, 2015-11-26 21:10:56]

Dry run: This issue passed the CQ dry run.

[dnicoara, 2015-11-26 21:42:28]

The CQ bit was checked by dnicoara@chromium.org

[commit-bot: I haz the power, 2015-11-26 21:42:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1473973004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1473973004/1

[commit-bot: I haz the power, 2015-11-26 21:46:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-26 21:47:47]

Description was changed from

==========
Fix undefined DesktopWindowTreeHost::GetNativeTheme for Ozone desktop

Using the Aura native theme as it is the default or the fallback on most
platforms.

BUG=none
==========

to

==========
Fix undefined DesktopWindowTreeHost::GetNativeTheme for Ozone desktop

Using the Aura native theme as it is the default or the fallback on most
platforms.

BUG=none

Committed: https://crrev.com/fb905b82d7ef835e928e4173e920319579415dfa
Cr-Commit-Position: refs/heads/master@{#361929}
==========

[commit-bot: I haz the power, 2015-11-26 21:47:48]

Patchset 1 (id:??) landed as
https://crrev.com/fb905b82d7ef835e928e4173e920319579415dfa
Cr-Commit-Position: refs/heads/master@{#361929}