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

webrtc/modules/rtp_rtcp/source/rtp_sender.cc

 /*
  *  Copyright (c) 2012 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 1198 matching lines @@
     rtx_packet->SetSsrc(ssrc_rtx_);
   }
 
   uint8_t* rtx_payload =
       rtx_packet->AllocatePayload(packet.payload_size() + kRtxHeaderSize);
   RTC_DCHECK(rtx_payload);
   // Add OSN (original sequence number).
   ByteWriter<uint16_t>::WriteBigEndian(rtx_payload, packet.SequenceNumber());
 
   // Add original payload data.
-  memcpy(rtx_payload + kRtxHeaderSize, packet.payload(), packet.payload_size());
+  auto payload = packet.payload();
+  memcpy(rtx_payload + kRtxHeaderSize, payload.data(), payload.size());
 
   return rtx_packet;
 }
 
 void RTPSender::RegisterRtpStatisticsCallback(
     StreamDataCountersCallback* callback) {
   rtc::CritScope cs(&statistics_crit_);
   rtp_stats_callback_ = callback;
 }
 
@@ skipping 84 matching lines @@
       return;
     }
     rtp_overhead_bytes_per_packet_ = packet.headers_size();
     overhead_bytes_per_packet =
         rtp_overhead_bytes_per_packet_ + transport_overhead_bytes_per_packet_;
   }
   overhead_observer_->OnOverheadChanged(overhead_bytes_per_packet);
 }
 
 }  // namespace webrtc