Fix CopyOnWriteBuffer::cdata to return const pointer

Fix CopyOnWriteBuffer::cdata to return const pointer
to prevent unexpected data modification.

Committed: https://crrev.com/8a0b1287cde0248843e649cc9e01f7d861649d34
Cr-Commit-Position: refs/heads/master@{#13583}

[danilchap, 2016-07-28 11:48:57]

Description was changed from

==========
CopyOnWriteBuffer::cdata returns const pointer
==========

to

==========
Fix CopyOnWriteBuffer::cdata to return const pointer
==========

[danilchap, 2016-07-28 11:49:37]

Description was changed from

==========
Fix CopyOnWriteBuffer::cdata to return const pointer
==========

to

==========
Fix CopyOnWriteBuffer::cdata to return const pointer
to prevent data modification when it is not expected to
be modified.
==========

[danilchap, 2016-07-29 17:25:19]

Description was changed from

==========
Fix CopyOnWriteBuffer::cdata to return const pointer
to prevent data modification when it is not expected to
be modified.
==========

to

==========
Fix CopyOnWriteBuffer::cdata to return const pointer
to prevent unexpected data modification.
==========

[danilchap, 2016-07-29 17:26:17]

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

[tommi, 2016-07-29 17:31:25]

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

[tommi, 2016-07-29 17:31:26]

lgtm

[tommi, 2016-07-29 17:31:44]

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

[commit-bot: I haz the power, 2016-07-29 17:31:53]

Dry run: 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, 2016-07-29 17:43:46]

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

[commit-bot: I haz the power, 2016-07-29 17:43:47]

Dry run: Try jobs failed on following builders:
  android_arm64_rel on master.tryserver.webrtc (JOB_FAILED,
http://build.chromium.org/p/tryserver.webrtc/builders/android_arm64_rel/build...)

[danilchap, 2016-07-30 19:47:14]

The CQ bit was checked by danilchap@webrtc.org

[commit-bot: I haz the power, 2016-07-30 19:47:21]

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, 2016-07-30 20:42:31]

Description was changed from

==========
Fix CopyOnWriteBuffer::cdata to return const pointer
to prevent unexpected data modification.
==========

to

==========
Fix CopyOnWriteBuffer::cdata to return const pointer
to prevent unexpected data modification.
==========

[commit-bot: I haz the power, 2016-07-30 20:42:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-30 20:42:42]

Description was changed from

==========
Fix CopyOnWriteBuffer::cdata to return const pointer
to prevent unexpected data modification.
==========

to

==========
Fix CopyOnWriteBuffer::cdata to return const pointer
to prevent unexpected data modification.

Committed: https://crrev.com/8a0b1287cde0248843e649cc9e01f7d861649d34
Cr-Commit-Position: refs/heads/master@{#13583}
==========

[commit-bot: I haz the power, 2016-07-30 20:42:43]

Patchset 1 (id:??) landed as
https://crrev.com/8a0b1287cde0248843e649cc9e01f7d861649d34
Cr-Commit-Position: refs/heads/master@{#13583}