Revert 226305 "Fix code style and gyp files in cast to build cas..."

media/cast/congestion_control/congestion_control.cc

Index: media/cast/congestion_control/congestion_control.cc
===================================================================
--- media/cast/congestion_control/congestion_control.cc	(revision 226456)
+++ media/cast/congestion_control/congestion_control.cc	(working copy)
@@ -37,9 +37,6 @@
   DCHECK_GE(start_bitrate, min_bitrate_configured) << "Invalid config";
 }
 
-CongestionControl::~CongestionControl() {
-}
-
 bool CongestionControl::OnAck(base::TimeDelta rtt, uint32* new_bitrate) {
   base::TimeTicks now = clock_->NowTicks();