Remove feedback mode from RTCVideoDecoder.

content/renderer/media/gpu/rtc_video_decoder_unittest.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 <stdint.h>
 #include <string.h>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 162 matching lines @@
       webrtc::kVideoCodecI420, mock_gpu_factories_.get()));
   EXPECT_EQ(NULL, null_rtc_decoder.get());
 }
 
 TEST_P(RTCVideoDecoderTest, CreateAndInitSucceeds) {
   const webrtc::VideoCodecType codec_type = GetParam();
   CreateDecoder(codec_type);
   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->InitDecode(&codec_, 1));
 }
 
-TEST_F(RTCVideoDecoderTest, InitDecodeReturnsErrorOnFeedbackMode) {
-  CreateDecoder(webrtc::kVideoCodecVP8);
-  codec_.VP8()->feedbackModeOn = true;
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERROR, rtc_decoder_->InitDecode(&codec_, 1));
-}
-
 TEST_F(RTCVideoDecoderTest, DecodeReturnsErrorWithoutInitDecode) {
   CreateDecoder(webrtc::kVideoCodecVP8);
   webrtc::EncodedImage input_image;
   EXPECT_EQ(WEBRTC_VIDEO_CODEC_UNINITIALIZED,
             rtc_decoder_->Decode(input_image, false, nullptr, nullptr, 0));
 }
 
 TEST_F(RTCVideoDecoderTest, DecodeReturnsErrorOnIncompleteFrame) {
   CreateDecoder(webrtc::kVideoCodecVP8);
   Initialize();
@@ skipping 141 matching lines @@
   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
             rtc_decoder_->Decode(input_image, false, nullptr, nullptr, 0));
 }
 
 INSTANTIATE_TEST_CASE_P(CodecProfiles,
                         RTCVideoDecoderTest,
                         Values(webrtc::kVideoCodecVP8,
                                webrtc::kVideoCodecH264));
 
 }  // content