Stop using webrtc::VideoCodec.codecSpecific

content/renderer/media/gpu/rtc_video_decoder.cc

Index: content/renderer/media/gpu/rtc_video_decoder.cc
diff --git a/content/renderer/media/gpu/rtc_video_decoder.cc b/content/renderer/media/gpu/rtc_video_decoder.cc
index 1c1ef796fb8fc1545e4a797ff5587a54de7bd2b6..d905793c4f89e444e89eb2c4ba113cb71f4ca5f8 100644
--- a/content/renderer/media/gpu/rtc_video_decoder.cc
+++ b/content/renderer/media/gpu/rtc_video_decoder.cc
@@ -147,7 +147,7 @@ int32_t RTCVideoDecoder::InitDecode(const webrtc::VideoCodec* codecSettings,
   DVLOG(2) << "InitDecode";
   DCHECK_EQ(video_codec_type_, codecSettings->codecType);
   if (codecSettings->codecType == webrtc::kVideoCodecVP8 &&
-      codecSettings->codecSpecific.VP8.feedbackModeOn) {
+      codecSettings->VP8().feedbackModeOn) {
     LOG(ERROR) << "Feedback mode not supported";
     return RecordInitDecodeUMA(WEBRTC_VIDEO_CODEC_ERROR);
   }