The few remaining uses of this function are replaced with I420VideoFrame assignment, similar to scoped_refptr assignment. BUG=1128 R=mflodman@webrtc.org, stefan@webrtc.org Review URL: https://webrtc-codereview.appspot.com/42889004 Cr-Commit-Position: refs/heads/master@{#8844} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8844 4adac7df-926f-26a2-2b94-8c16560cd09d