RtpPacket::payload() return rtc::ArrayView instead of raw pointer

webrtc/modules/rtp_rtcp/source/flexfec_receiver.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 79 matching lines @@
     if (parsed_packet.payload_size() < kMinFlexfecHeaderSize) {
       LOG(LS_WARNING) << "Truncated FlexFEC packet, discarding.";
       return false;
     }
     received_packet->is_fec = true;
     ++packet_counter_.num_fec_packets;
     // Insert packet payload into erasure code.
     // TODO(brandtr): Remove this memcpy when the FEC packet classes
     // are using COW buffers internally.
     received_packet->pkt = rtc::scoped_refptr<Packet>(new Packet());
-    memcpy(received_packet->pkt->data, parsed_packet.payload(),
-           parsed_packet.payload_size());
-    received_packet->pkt->length = parsed_packet.payload_size();
+    auto payload = parsed_packet.payload();
+    memcpy(received_packet->pkt->data, payload.data(), payload.size());
+    received_packet->pkt->length = payload.size();
   } else {
     // This is a media packet, or a FlexFEC packet belonging to some
     // other FlexFEC stream.
     if (received_packet->ssrc != protected_media_ssrc_) {
       return false;
     }
     received_packet->is_fec = false;
     // Insert entire packet into erasure code.
     // TODO(brandtr): Remove this memcpy too.
     received_packet->pkt = rtc::scoped_refptr<Packet>(new Packet());
@@ skipping 44 matching lines @@
           ForwardErrorCorrection::ParseSsrc(recovered_packet->pkt->data);
       LOG(LS_INFO) << "Recovered media packet with SSRC: " << media_ssrc
                    << " from FlexFEC stream with SSRC: " << ssrc_ << ".";
       last_recovered_packet_ms_ = now_ms;
     }
   }
   return true;
 }
 
 }  // namespace webrtc