Replace scoped_ptr with unique_ptr in webrtc/libjingle/

Replace scoped_ptr with unique_ptr in webrtc/libjingle/

But keep #including scoped_ptr.h in .h files, so as not to break
WebRTC users who expect those .h files to give them rtc::scoped_ptr.

BUG=webrtc:5520
Committed: https://crrev.com/322c4a0b3a82caf8cdd4bf2c128c2eac72ed3058
Cr-Commit-Position: refs/heads/master@{#12577}

[kwiberg-webrtc, 2016-04-30 01:20:31]

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

[tommi, 2016-04-30 09:17:34]

The CQ bit was checked by tommi@webrtc.org

[tommi, 2016-04-30 09:17:34]

lgtm

[commit-bot: I haz the power, 2016-04-30 09:17:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1935893002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1935893002/1

[commit-bot: I haz the power, 2016-04-30 09:40:26]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-01 22:02:23]

Description was changed from

==========
Replace scoped_ptr with unique_ptr in webrtc/libjingle/

But keep #including scoped_ptr.h in .h files, so as not to break
WebRTC users who expect those .h files to give them rtc::scoped_ptr.

BUG=webrtc:5520
==========

to

==========
Replace scoped_ptr with unique_ptr in webrtc/libjingle/

But keep #including scoped_ptr.h in .h files, so as not to break
WebRTC users who expect those .h files to give them rtc::scoped_ptr.

BUG=webrtc:5520

Committed: https://crrev.com/322c4a0b3a82caf8cdd4bf2c128c2eac72ed3058
Cr-Commit-Position: refs/heads/master@{#12577}
==========

[commit-bot: I haz the power, 2016-05-01 22:02:24]

Patchset 1 (id:??) landed as
https://crrev.com/322c4a0b3a82caf8cdd4bf2c128c2eac72ed3058
Cr-Commit-Position: refs/heads/master@{#12577}