Update bitrate adjustment with true buffer used size.

Update bitrate adjustment with true buffer used size.

This used to be updated with the reserved capacity of the buffer,
not the actual portion in use.

BUG=webrtc:6034
Review-Url: https://codereview.webrtc.org/2620653005
Cr-Commit-Position: refs/heads/master@{#15982}
Committed: https://chromium.googlesource.com/external/webrtc/+/a3f6ce10ed3863151e2cc7142c492394efda8d20

[kthelgason, 2017-01-10 08:41:35]

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

[kthelgason, 2017-01-10 08:41:47]

kthelgason@webrtc.org changed reviewers:
+ magjed@webrtc.org

[commit-bot: I haz the power, 2017-01-10 08:41:48]

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, 2017-01-10 09:37:27]

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

[commit-bot: I haz the power, 2017-01-10 09:37:28]

Dry run: This issue passed the CQ dry run.

[magjed_webrtc, 2017-01-10 10:22:32]

lgtm

[kthelgason, 2017-01-10 10:58:37]

The CQ bit was checked by kthelgason@webrtc.org

[commit-bot: I haz the power, 2017-01-10 10:58:47]

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, 2017-01-10 11:02:05]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484045917218120, "parent_rev":
"5d682ca7a1d2bb3ca7de2bbb469281e07ea85bde", "commit_rev":
"a3f6ce10ed3863151e2cc7142c492394efda8d20"}

[commit-bot: I haz the power, 2017-01-10 11:02:07]

Description was changed from

==========
Update bitrate adjustment with true buffer used size.

This used to be updated with the reserved capacity of the buffer,
not the actual portion in use.

BUG=webrtc:6034
==========

to

==========
Update bitrate adjustment with true buffer used size.

This used to be updated with the reserved capacity of the buffer,
not the actual portion in use.

BUG=webrtc:6034

Review-Url: https://codereview.webrtc.org/2620653005
Cr-Commit-Position: refs/heads/master@{#15982}
Committed:
https://chromium.googlesource.com/external/webrtc/+/a3f6ce10ed3863151e2cc7142...
==========

[commit-bot: I haz the power, 2017-01-10 11:02:08]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/a3f6ce10ed3863151e2cc7142...