Adding rtc::Unretained to allow avoiding rtc::Bind reference capture.

Adding rtc::Unretained to allow avoiding rtc::Bind reference capture.

In some rare circumstances, capturing a reference may be undesired. For
example, when creating an asynchronous task owned by the object itself,
the object may not need or want this task to keep itself alive.

BUG=None

Review-Url: https://codereview.webrtc.org/2711113008
Cr-Commit-Position: refs/heads/master@{#16840}
Committed: https://chromium.googlesource.com/external/webrtc/+/ccaaffb44a7f98e68a6763675a2cc8ae02635d6e

[Taylor Brandstetter, 2017-02-25 11:17:35]

deadbeef@webrtc.org changed reviewers:
+ pthatcher@webrtc.org, tommi@webrtc.org

[tommi, 2017-02-25 14:04:47]

lgtm

[Taylor Brandstetter, 2017-02-25 19:52:22]

The CQ bit was checked by deadbeef@webrtc.org

[Taylor Brandstetter, 2017-02-25 19:52:22]

The patchset sent to the CQ was uploaded after l-g-t-m from tommi@webrtc.org
Link to the patchset: https://codereview.webrtc.org/2711113008/#ps20001 (title:
"Rebase onto master")

[commit-bot: I haz the power, 2017-02-25 19:52:24]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-02-25 20:56:21]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1488052342286310,
"parent_rev": "37510bf0946afef1015eabb66a801af3ac30042a", "commit_rev":
"ccaaffb44a7f98e68a6763675a2cc8ae02635d6e"}

[commit-bot: I haz the power, 2017-02-25 20:56:23]

Description was changed from

==========
Adding rtc::Unretained to allow avoiding rtc::Bind reference capture.

In some rare circumstances, capturing a reference may be undesired. For
example, when creating an asynchronous task owned by the object itself,
the object may not need or want this task to keep itself alive.

BUG=None
==========

to

==========
Adding rtc::Unretained to allow avoiding rtc::Bind reference capture.

In some rare circumstances, capturing a reference may be undesired. For
example, when creating an asynchronous task owned by the object itself,
the object may not need or want this task to keep itself alive.

BUG=None

Review-Url: https://codereview.webrtc.org/2711113008
Cr-Commit-Position: refs/heads/master@{#16840}
Committed:
https://chromium.googlesource.com/external/webrtc/+/ccaaffb44a7f98e68a6763675...
==========

[commit-bot: I haz the power, 2017-02-25 20:56:26]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/external/webrtc/+/ccaaffb44a7f98e68a6763675...