efc82c2c73
Adds support for screencast_min_bitrate and sets content type corresponding to the capture type. R=stefan@webrtc.org BUG=1788 Review URL: https://webrtc-codereview.appspot.com/29959004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@7529 4adac7df-926f-26a2-2b94-8c16560cd09d