Fixes http://code.google.com/p/webrtc/issues/detail?id=941
Fixes http://code.google.com/p/webrtc/issues/detail?id=941

BUG=941

Review URL: https://webrtc-codereview.appspot.com/966020

Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: de727ab260115d1813b0a039fc74fca488d0c31d

sippet/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc