Remove FlexfecConfig and replace with specific struct in VideoSendStream.

webrtc/video/video_quality_test.cc

Index: webrtc/video/video_quality_test.cc
diff --git a/webrtc/video/video_quality_test.cc b/webrtc/video/video_quality_test.cc
index e37b555f7e35bc1eb717f90dea3ce4b658ab8d18..e3ae616df29edb25fd33be6cf5a8284214897085 100644
--- a/webrtc/video/video_quality_test.cc
+++ b/webrtc/video/video_quality_test.cc
@@ -1117,9 +1117,8 @@ void VideoQualityTest::SetupVideo(Transport* send_transport,
     // Set up the receive config manually instead.
     FlexfecReceiveStream::Config flexfec_receive_config(recv_transport);
     flexfec_receive_config.payload_type =
-        video_send_config_.rtp.flexfec.flexfec_payload_type;
-    flexfec_receive_config.remote_ssrc =
-        video_send_config_.rtp.flexfec.flexfec_ssrc;
+        video_send_config_.rtp.flexfec.payload_type;
+    flexfec_receive_config.remote_ssrc = video_send_config_.rtp.flexfec.ssrc;
     flexfec_receive_config.protected_media_ssrcs =
         video_send_config_.rtp.flexfec.protected_media_ssrcs;
     flexfec_receive_config.transport_cc = params_.call.send_side_bwe;