Remove hardcoded kValueSizeBytes values from variable-length header extensions.

webrtc/test/fuzzers/flexfec_sender_fuzzer.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.
  */
 
 #include <memory>
 
 #include "webrtc/modules/rtp_rtcp/include/flexfec_sender.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_packet_to_send.h"
 #include "webrtc/modules/rtp_rtcp/source/byte_io.h"
 #include "webrtc/system_wrappers/include/clock.h"
 
 namespace webrtc {
 
 namespace {
 
 constexpr int kFlexfecPayloadType = 123;
 constexpr uint32_t kMediaSsrc = 1234;
 constexpr uint32_t kFlexfecSsrc = 5678;
 const std::vector<RtpExtension> kNoRtpHeaderExtensions;
+const std::vector<RtpExtensionSize> kNoRtpHeaderExtensionSizes;
 
 }  // namespace
 
 void FuzzOneInput(const uint8_t* data, size_t size) {
   size_t i = 0;
   if (size < 5) {
     return;
   }
 
   SimulatedClock clock(1 + data[i++]);
   FlexfecSender sender(kFlexfecPayloadType, kFlexfecSsrc, kMediaSsrc,
-                       kNoRtpHeaderExtensions, &clock);
+                       kNoRtpHeaderExtensions, kNoRtpHeaderExtensionSizes,

[erikvarga1, 2017/05/11 12:59:38]

I've added the missing new param to the FlexfecSender constructor here. The
fuzzer tests should hopefully be OK after this.

+                       &clock);
   FecProtectionParams params = {
       data[i++], static_cast<int>(data[i++] % 100),
       data[i++] <= 127 ? kFecMaskRandom : kFecMaskBursty};
   sender.SetFecParameters(params);
   uint16_t seq_num = data[i++];
 
   while (i + 1 < size) {
     // Everything past the base RTP header (12 bytes) is payload,
     // from the perspective of FlexFEC.
     size_t payload_size = data[i++];
@@ skipping 10 matching lines @@
       break;
     sender.AddRtpPacketAndGenerateFec(rtp_packet);
     if (sender.FecAvailable()) {
       std::vector<std::unique_ptr<RtpPacketToSend>> fec_packets =
           sender.GetFecPackets();
     }
   }
 }
 
 }  // namespace webrtc