Revert 226264 "Be able to build cast_unittest and related target..."

trunk/src/media/cast/congestion_control/congestion_control.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/cast/congestion_control/congestion_control.h"
 
 #include "base/logging.h"
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_defines.h"
 
@@ skipping 19 matching lines @@
       bitrate_(start_bitrate),
       default_tick_clock_(new base::DefaultTickClock()),
       clock_(default_tick_clock_.get()) {
   DCHECK_GT(congestion_control_back_off, 0.0f) << "Invalid config";
   DCHECK_LT(congestion_control_back_off, 1.0f) << "Invalid config";
   DCHECK_GE(max_bitrate_configured, min_bitrate_configured) << "Invalid config";
   DCHECK_GE(max_bitrate_configured, start_bitrate) << "Invalid config";
   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();
 
   // First feedback?
   if (time_last_increase_.is_null()) {
     time_last_increase_ = now;
     time_last_decrease_ = now;
     return false;
   }
   // Are we at the max bitrate?
@@ skipping 53 matching lines @@
   *new_bitrate = std::max(
       static_cast<uint32>(bitrate_ * congestion_control_back_off_),
       min_bitrate_configured_);
 
   bitrate_ = *new_bitrate;
   return true;
 }
 
 }  // namespace cast
 }  // namespace media