Add a fuzzer target for MP4 AVCC record parsing

media/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/buildflag_header.gni")
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
@@ skipping 893 matching lines @@
 fuzzer_test("media_webm_muxer_fuzzer") {
   sources = [
     "muxers/webm_muxer_fuzzertest.cc",
   ]
   deps = [
     ":media",
     "//base",
     "//third_party/libwebm",
   ]
 }
+
+if (proprietary_codecs) {
+  fuzzer_test("media_mp4_avcc_parser_fuzzer") {
+    sources = [
+      "formats/mp4/mp4_avcc_parser_fuzzer.cc",
+    ]
+    deps = [
+      ":media",
+      "//base",
+    ]
+  }
+}