Delete unused cricket::VideoFrame methods MakeExclusive and CopyToFrame.

Delete unused cricket::VideoFrame methods MakeExclusive and CopyToFrame.

BUG=webrtc:5682
Committed: https://crrev.com/60083c86fa0465dd7e534afbc2bd42458b4c1161
Cr-Commit-Position: refs/heads/master@{#12188}

[nisse-webrtc, 2016-03-31 08:31:42]

nisse@webrtc.org changed reviewers:
+ pbos@webrtc.org, perkj@webrtc.org, tkchin@webrtc.org

[nisse-webrtc, 2016-03-31 08:31:42]

MakeExclusive usage was eliminated from Chrome the other day. So we can now
delete it in webrtc cricket::VideoFrame.

[nisse-webrtc, 2016-03-31 08:45:01]

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

[commit-bot: I haz the power, 2016-03-31 08:45:10]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1843413002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1843413002/1

[perkj_webrtc, 2016-03-31 08:51:18]

lgtm

[commit-bot: I haz the power, 2016-03-31 10:45:51]

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

[commit-bot: I haz the power, 2016-03-31 10:45:52]

Dry run: Try jobs failed on following builders:
  android_arm64_rel on tryserver.webrtc (JOB_TIMED_OUT, no build URL)

[pbos-webrtc, 2016-03-31 14:39:04]

lgtm

[tkchin_webrtc, 2016-03-31 15:44:05]

lgtm

[nisse-webrtc, 2016-04-01 06:31:08]

The CQ bit was checked by nisse@webrtc.org

[commit-bot: I haz the power, 2016-04-01 06:31:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1843413002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1843413002/1

[commit-bot: I haz the power, 2016-04-01 06:32:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-01 06:32:51]

Description was changed from

==========
Delete unused cricket::VideoFrame methods MakeExclusive and CopyToFrame.

BUG=webrtc:5682
==========

to

==========
Delete unused cricket::VideoFrame methods MakeExclusive and CopyToFrame.

BUG=webrtc:5682

Committed: https://crrev.com/60083c86fa0465dd7e534afbc2bd42458b4c1161
Cr-Commit-Position: refs/heads/master@{#12188}
==========

[commit-bot: I haz the power, 2016-04-01 06:32:52]

Patchset 1 (id:??) landed as
https://crrev.com/60083c86fa0465dd7e534afbc2bd42458b4c1161
Cr-Commit-Position: refs/heads/master@{#12188}