Allow ANA to receive RPLR (recoverable packet loss rate) indications

webrtc/modules/audio_coding/audio_network_adaptor/controller_manager.h

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 63 matching lines @@
   // Sort controllers based on their significance.
   std::vector<Controller*> GetSortedControllers(
       const Controller::NetworkMetrics& metrics) override;
 
   std::vector<Controller*> GetControllers() const override;
 
  private:
   // Scoring point is a subset of NetworkMetrics that is used for comparing the
   // significance of controllers.
   struct ScoringPoint {
+    // TODO(elad.alon): Do we want to experiment with RPLR-based scoring?
     ScoringPoint(int uplink_bandwidth_bps, float uplink_packet_loss_fraction);
 
     // Calculate the normalized [0,1] distance between two scoring points.
     float SquaredDistanceTo(const ScoringPoint& scoring_point) const;
 
     int uplink_bandwidth_bps;
     float uplink_packet_loss_fraction;
   };
 
   const Config config_;
@@ skipping 10 matching lines @@
   // |scoring_points_| saves the characteristic scoring points of various
   // controllers.
   std::map<const Controller*, ScoringPoint> controller_scoring_points_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(ControllerManagerImpl);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CONTROLLER_MANAGER_H_