Add missing include to x11windowpicker.cc

Add missing include to x11windowpicker.cc

Before https://codereview.webrtc.org/1920043002/ this was pulled in implicitly
by "scoped_ptr.h".

Committed: https://crrev.com/b67aba81e5ec2dc52e205dee0bf8c23857849dfe
Cr-Commit-Position: refs/heads/master@{#12505}

[joachim, 2016-04-26 10:30:22]

jbauch@webrtc.org changed reviewers:
+ tommi@webrtc.org

[joachim, 2016-04-26 10:30:23]

Ptal, this should fix the compile error when rolling into Chromium, introduced
by https://codereview.webrtc.org/1920043002/

Compile error for reference:
https://build.chromium.org/p/chromium.webrtc.fyi/builders/Linux%20Builder/bui...

[joachim, 2016-04-26 10:35:35]

The CQ bit was checked by jbauch@webrtc.org to run a CQ dry run

[commit-bot: I haz the power, 2016-04-26 10:35:44]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1916373002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1916373002/1

[tommi, 2016-04-26 10:54:21]

lgtm

[commit-bot: I haz the power, 2016-04-26 11:33:15]

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

[commit-bot: I haz the power, 2016-04-26 11:33:16]

Dry run: This issue passed the CQ dry run.

[joachim, 2016-04-26 11:44:34]

The CQ bit was checked by jbauch@webrtc.org

[commit-bot: I haz the power, 2016-04-26 11:44:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1916373002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1916373002/1

[commit-bot: I haz the power, 2016-04-26 11:54:03]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-26 11:54:13]

Description was changed from

==========
Add missing include to x11windowpicker.cc

Before https://codereview.webrtc.org/1920043002/ this was pulled in implicitly
by "scoped_ptr.h".
==========

to

==========
Add missing include to x11windowpicker.cc

Before https://codereview.webrtc.org/1920043002/ this was pulled in implicitly
by "scoped_ptr.h".

Committed: https://crrev.com/b67aba81e5ec2dc52e205dee0bf8c23857849dfe
Cr-Commit-Position: refs/heads/master@{#12505}
==========

[commit-bot: I haz the power, 2016-04-26 11:54:14]

Patchset 1 (id:??) landed as
https://crrev.com/b67aba81e5ec2dc52e205dee0bf8c23857849dfe
Cr-Commit-Position: refs/heads/master@{#12505}