henrik.lundin d56ef80857 RtpToNtpEstimator:: Add a DCHECK to avoid div-by-0
The division that follows the added DCHECK should not be div-by-0,
since when params_.calculated is true, params_.frequency_khz would
have been updated (with something non-zero).

BUG=none

Review-Url: https://codereview.webrtc.org/3006003002
Cr-Commit-Position: refs/heads/master@{#19671}
2017-09-04 16:02:15 +00:00
..
2017-07-06 19:11:40 +00:00
2017-07-06 19:11:40 +00:00