Remove CriticalSectionScoped reference constructor.

This is to close BUG=187, which was, except for this, done a long time ago.

BUG=187
TEST=Compiles.

Review URL: https://webrtc-codereview.appspot.com/857013

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2915 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed