* Removed WebRtcAec_ function name prepending on private function. TEST=audioproc_unittest, trybots BUG=None Review URL: https://webrtc-codereview.appspot.com/1096012 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3537 4adac7df-926f-26a2-2b94-8c16560cd09d