Remove feedback mode from RTCVideoDecoder.

content/renderer/media/gpu/rtc_video_decoder.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/gpu/rtc_video_decoder.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 131 matching lines @@
 // static
 void RTCVideoDecoder::Destroy(webrtc::VideoDecoder* decoder,
                               media::GpuVideoAcceleratorFactories* factories) {
   factories->GetTaskRunner()->DeleteSoon(FROM_HERE, decoder);
 }
 
 int32_t RTCVideoDecoder::InitDecode(const webrtc::VideoCodec* codecSettings,
                                     int32_t /*numberOfCores*/) {
   DVLOG(2) << "InitDecode";
   DCHECK_EQ(video_codec_type_, codecSettings->codecType);
-  if (codecSettings->codecType == webrtc::kVideoCodecVP8 &&
-      codecSettings->VP8().feedbackModeOn) {
-    LOG(ERROR) << "Feedback mode not supported";
-    return RecordInitDecodeUMA(WEBRTC_VIDEO_CODEC_ERROR);
-  }
 
   base::AutoLock auto_lock(lock_);
   if (state_ == UNINITIALIZED || state_ == DECODE_ERROR) {
     LOG(ERROR) << "VDA is not initialized. state=" << state_;
     return RecordInitDecodeUMA(WEBRTC_VIDEO_CODEC_UNINITIALIZED);
   }
 
   return RecordInitDecodeUMA(WEBRTC_VIDEO_CODEC_OK);
 }
 
@@ skipping 729 matching lines @@
 }
 
 void RTCVideoDecoder::ClearPendingBuffers() {
   // Delete WebRTC input buffers.
   for (const auto& pending_buffer : pending_buffers_)
     delete[] pending_buffer.first._buffer;
   pending_buffers_.clear();
 }
 
 }  // namespace content