Delete VP8 feedback mode.

webrtc/common_types.h

 /*
  *  Copyright (c) 2012 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 443 matching lines @@
   kResilientStream,  // A stream produced by the encoder is resilient to
                      // packet losses, but packets within a frame subsequent
                      // to a loss can't be decoded.
   kResilientFrames   // Same as kResilientStream but with added resilience
                      // within a frame.
 };
 
 class TemporalLayersFactory;
 // VP8 specific
 struct VideoCodecVP8 {
+  // TODO(nisse): Unused, delete?
   bool pictureLossIndicationOn;
+  // TODO(nisse): Delete, as soon as downstream applications are updated.
   bool feedbackModeOn;
   VideoCodecComplexity complexity;
   VP8ResilienceMode resilience;
   unsigned char numberOfTemporalLayers;
   bool denoisingOn;
   bool errorConcealmentOn;
   bool automaticResizeOn;
   bool frameDroppingOn;
   int keyFrameInterval;
   TemporalLayersFactory* tl_factory;
@@ skipping 361 matching lines @@
 enum class RtcpMode { kOff, kCompound, kReducedSize };
 
 enum NetworkState {
   kNetworkUp,
   kNetworkDown,
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_COMMON_TYPES_H_