Increase base Chromium revision to get an update to libnss.

The function signature of SSL_PeerCertificateChain in libnss
was changed by https://codereview.chromium.org/25107004/ ,
and webrtc now uses that function when linked to libnss.

TBR=bemasc

A clone of https://webrtc-codereview.appspot.com/2372004/. Tried by Ben.

Review URL: https://webrtc-codereview.appspot.com/2372005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4943 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed