Creating controller manager from config string in audio network adaptor.

webrtc/modules/audio_coding/audio_network_adaptor/fec_controller.cc

 /*
  *  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 12 matching lines @@
                                             float high_bandwidth_packet_loss)
     : low_bandwidth_bps(low_bandwidth_bps),
       low_bandwidth_packet_loss(low_bandwidth_packet_loss),
       high_bandwidth_bps(high_bandwidth_bps),
       high_bandwidth_packet_loss(high_bandwidth_packet_loss) {}
 
 FecController::Config::Config(bool initial_fec_enabled,
                               const Threshold& fec_enabling_threshold,
                               const Threshold& fec_disabling_threshold,
                               int time_constant_ms,
-                              Clock* clock)
+                              const Clock* clock)
     : initial_fec_enabled(initial_fec_enabled),
       fec_enabling_threshold(fec_enabling_threshold),
       fec_disabling_threshold(fec_disabling_threshold),
       time_constant_ms(time_constant_ms),
       clock(clock) {}
 
 FecController::FecController(const Config& config)
     : config_(config),
       fec_enabled_(config.initial_fec_enabled),
       packet_loss_smoothed_(
@@ skipping 83 matching lines @@
   auto packet_loss = packet_loss_smoothed_->GetAverage();
   if (!packet_loss)
     return false;
 
   return *packet_loss <= GetPacketLossThreshold(*metrics.uplink_bandwidth_bps,
                                                 config_.fec_disabling_threshold,
                                                 fec_disabling_threshold_info_);
 }
 
 }  // namespace webrtc