Also revert r4319, will follow up with pbos Reason for recent series of reverts: video freezes when testing with packet loss R=mikhal@webrtc.org Review URL: https://webrtc-codereview.appspot.com/1817004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4359 4adac7df-926f-26a2-2b94-8c16560cd09d