
Replaces ye olde timey explicit release with teh hotness of automatic reference counting. This is the webrtc/ half; the talk/ half is in https://webrtc-codereview.appspot.com/10499005/ BUG=3054,3055 R=noahric@google.com Review URL: https://webrtc-codereview.appspot.com/10539005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5770 4adac7df-926f-26a2-2b94-8c16560cd09d