Turn off error resilience for vp8 for no temporal layers if nack is enabled.

webrtc/modules/video_coding/include/video_codec_initializer.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 18 matching lines @@
   // Takes an EncoderSettings, a VideoEncoderConfig and the VideoStream
   // configuration and translated them into the old school VideoCodec type.
   // It also creates a VideoBitrateAllocator instance, suitable for the codec
   // type used. For instance, VP8 will create an allocator than can handle
   // simulcast and temporal layering.
   // GetBitrateAllocator is called implicitly from here, no need to call again.
   static bool SetupCodec(
       const VideoEncoderConfig& config,
       const VideoSendStream::Config::EncoderSettings settings,
       const std::vector<VideoStream>& streams,
+      bool nack_enabled,
       VideoCodec* codec,
       std::unique_ptr<VideoBitrateAllocator>* bitrate_allocator);
 
   // Create a bitrate allocator for the specified codec. |tl_factory| is
   // optional, if it is populated, ownership of that instance will be
   // transferred to the VideoBitrateAllocator instance.
   static std::unique_ptr<VideoBitrateAllocator> CreateBitrateAllocator(
       const VideoCodec& codec,
       std::unique_ptr<TemporalLayersFactory> tl_factory);
 
  private:
   static VideoCodec VideoEncoderConfigToVideoCodec(
       const VideoEncoderConfig& config,
       const std::vector<VideoStream>& streams,
       const std::string& payload_name,
-      int payload_type);
+      int payload_type,
+      bool nack_enabled);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INITIALIZER_H_