Merge r6571 and r6572 to the 3.55 branch.

BUG=3527
R=wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/18909004

git-svn-id: http://webrtc.googlecode.com/svn/branches/3.55/webrtc@6775 4adac7df-926f-26a2-2b94-8c16560cd09d
6 files changed