Add a fuzzer for FlexfecReceiver.

webrtc/test/fuzzers/BUILD.gn

 # Copyright (c) 2015 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.
 
 import("../../build/webrtc.gni")
 import("//build/config/features.gni")
@@ skipping 78 matching lines @@
 
 webrtc_fuzzer_test("producer_fec_fuzzer") {
   sources = [
     "producer_fec_fuzzer.cc",
   ]
   deps = [
     "../../modules/rtp_rtcp/",
   ]
 }
 
+webrtc_fuzzer_test("flexfec_receiver_fuzzer") {
+  sources = [
+    "flexfec_receiver_fuzzer.cc",
+  ]
+  deps = [
+    "../../modules/rtp_rtcp/",
+  ]
+  libfuzzer_options = [ "max_len=2000" ]
+}
+
 webrtc_fuzzer_test("rtcp_receiver_fuzzer") {
   sources = [
     "rtcp_receiver_fuzzer.cc",
   ]
   deps = [
     "../../modules/rtp_rtcp/",
   ]
   seed_corpus = "corpora/rtcp-corpus"
 }
 
@@ skipping 147 matching lines @@
 }
 
 webrtc_fuzzer_test("pseudotcp_parser_fuzzer") {
   sources = [
     "pseudotcp_parser_fuzzer.cc",
   ]
   deps = [
     "../../p2p:rtc_p2p",
   ]
 }