Creating controller manager from config string in audio network adaptor.

webrtc/modules/audio_coding/audio_network_adaptor/debug_dump_writer.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 45 matching lines @@
   void DumpNetworkMetrics(const Controller::NetworkMetrics& metrics,
                           int64_t timestamp) override;
 
  private:
   std::unique_ptr<FileWrapper> dump_file_;
 };
 
 DebugDumpWriterImpl::DebugDumpWriterImpl(FILE* file_handle)
     : dump_file_(FileWrapper::Create()) {
 #ifndef WEBRTC_AUDIO_NETWORK_ADAPTOR_DEBUG_DUMP
-  RTC_DCHECK(false);
+  RTC_NOTREACHED();
 #endif
   dump_file_->OpenFromFileHandle(file_handle);
   RTC_CHECK(dump_file_->is_open());
 }
 
 void DebugDumpWriterImpl::DumpNetworkMetrics(
     const Controller::NetworkMetrics& metrics,
     int64_t timestamp) {
 #ifdef WEBRTC_AUDIO_NETWORK_ADAPTOR_DEBUG_DUMP
   Event event;
@@ skipping 52 matching lines @@
 
   DumpEventToFile(event, dump_file_.get());
 #endif  // WEBRTC_AUDIO_NETWORK_ADAPTOR_DEBUG_DUMP
 }
 
 std::unique_ptr<DebugDumpWriter> DebugDumpWriter::Create(FILE* file_handle) {
   return std::unique_ptr<DebugDumpWriter>(new DebugDumpWriterImpl(file_handle));
 }
 
 }  // namespace webrtc