Reduce some FlexFEC logging severity.

webrtc/modules/rtp_rtcp/source/flexfec_sender.cc

 /*
  *  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 116 matching lines @@
     fec_packet_to_send->ReserveExtension<TransportSequenceNumber>();
 
     // RTP payload.
     uint8_t* payload = fec_packet_to_send->AllocatePayload(fec_packet->length);
     memcpy(payload, fec_packet->data, fec_packet->length);
 
     fec_packets_to_send.push_back(std::move(fec_packet_to_send));
   }
   ulpfec_generator_.ResetState();
 
-  // TODO(brandtr): Remove this log output when the FlexFEC subsystem is
-  // properly wired up in a robust way.
   int64_t now_ms = clock_->TimeInMilliseconds();
   if (!fec_packets_to_send.empty() &&
       now_ms - last_generated_packet_ms_ > kPacketLogIntervalMs) {
-    LOG(LS_INFO) << "Generated " << fec_packets_to_send.size()
-                 << " FlexFEC packets with payload type: " << payload_type_
-                 << " and SSRC: " << ssrc_ << ".";
+    LOG(LS_VERBOSE) << "Generated " << fec_packets_to_send.size()
+                    << " FlexFEC packets with payload type: " << payload_type_
+                    << " and SSRC: " << ssrc_ << ".";
     last_generated_packet_ms_ = now_ms;
   }
 
   return fec_packets_to_send;
 }
 
 // The overhead is BWE RTP header extensions and FlexFEC header.
 size_t FlexfecSender::MaxPacketOverhead() const {
   return rtp_header_extension_map_.GetTotalLengthInBytes() +
          kFlexfecMaxHeaderSize;
 }
 
 }  // namespace webrtc