Adding "adapter" ORTC objects on top of ChannelManager/BaseChannel/etc.

webrtc/media/base/codec.h

 /*
  *  Copyright (c) 2004 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.
  */
 
 #ifndef WEBRTC_MEDIA_BASE_CODEC_H_
 #define WEBRTC_MEDIA_BASE_CODEC_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "webrtc/api/rtpparameters.h"
 #include "webrtc/common_types.h"
 #include "webrtc/media/base/mediaconstants.h"
 
 namespace cricket {
 
 typedef std::map<std::string, std::string> CodecParameterMap;
 
 class FeedbackParam {
  public:
+  FeedbackParam() {}
   FeedbackParam(const std::string& id, const std::string& param)
       : id_(id),
         param_(param) {
   }
   explicit FeedbackParam(const std::string& id)
       : id_(id),
         param_(kParamValueEmpty) {
   }
   bool operator==(const FeedbackParam& other) const;
 
@@ skipping 186 matching lines @@
 bool HasTransportCc(const Codec& codec);
 // Returns the first codec in |supported_codecs| that matches |codec|, or
 // nullptr if no codec matches.
 const VideoCodec* FindMatchingCodec(
     const std::vector<VideoCodec>& supported_codecs,
     const VideoCodec& codec);
 
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_BASE_CODEC_H_