Reject negative values for "b=AS".

Reject negative values for "b=AS".

It doesn't make sense to have a negative RTP session bandwidth; RFC3550
doesn't define any meaning for this. So just treat it as invalid SDP.

BUG=chromium:675361
Review-Url: https://codereview.webrtc.org/2989243002
Cr-Commit-Position: refs/heads/master@{#19221}
Committed: https://chromium.googlesource.com/external/webrtc/+/bc88c6ba98806b629d64c832f8cebeafd75e93e4

[Taylor Brandstetter, 2017-08-02 00:32:17]

deadbeef@webrtc.org changed reviewers:
+ zhihuang@webrtc.org

[Taylor Brandstetter, 2017-08-02 00:32:17]

Zhi, can you take a look since Peter is gone?

[Zhi Huang, 2017-08-02 00:42:23]

lgtm

[Taylor Brandstetter, 2017-08-02 17:58:57]

The CQ bit was checked by deadbeef@webrtc.org

[commit-bot: I haz the power, 2017-08-02 17:59:03]

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, 2017-08-02 18:26:34]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1501696737081410, "parent_rev":
"288392a5ab18757880a1cac8fa137484dd15f7a1", "commit_rev":
"bc88c6ba98806b629d64c832f8cebeafd75e93e4"}

[commit-bot: I haz the power, 2017-08-02 18:26:42]

Description was changed from

==========
Reject negative values for "b=AS".

It doesn't make sense to have a negative RTP session bandwidth; RFC3550
doesn't define any meaning for this. So just treat it as invalid SDP.

BUG=chromium:675361
==========

to

==========
Reject negative values for "b=AS".

It doesn't make sense to have a negative RTP session bandwidth; RFC3550
doesn't define any meaning for this. So just treat it as invalid SDP.

BUG=chromium:675361

Review-Url: https://codereview.webrtc.org/2989243002
Cr-Commit-Position: refs/heads/master@{#19221}
Committed:
https://chromium.googlesource.com/external/webrtc/+/bc88c6ba98806b629d64c832f...
==========

[commit-bot: I haz the power, 2017-08-02 18:26:43]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/bc88c6ba98806b629d64c832f...