Remove unused make_scoped_ptr which causes an "ambiguous" error with chromium build.

TEST=build
R=andrew@webrtc.org, fischman@webrtc.org
TBR=andrew

Review URL: https://webrtc-codereview.appspot.com/3149004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5059 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed