Reland of https://codereview.webrtc.org/2044523002.

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/config/features.gni")
 import("//build_overrides/webrtc.gni")
@@ skipping 171 matching lines @@
 # flagged by gn check, so breaks when rolled into Chromium.
 if (!build_with_chromium) {
   webrtc_fuzzer_test("turn_unwrap_fuzzer") {
     sources = [
       "turn_unwrap_fuzzer.cc",
     ]
     deps = [
       "../../media:media",
     ]
   }
+
+  webrtc_fuzzer_test("sdp_parser_fuzzer") {
+    sources = [
+      "sdp_parser_fuzzer.cc",
+    ]
+    deps = [
+      "../../api:libjingle_peerconnection",
+    ]
+    seed_corpus = "corpora/sdp-corpus"
+  }
+
+  webrtc_fuzzer_test("stun_parser_fuzzer") {
+    sources = [
+      "stun_parser_fuzzer.cc",
+    ]
+    deps = [
+      "../../p2p:rtc_p2p",
+    ]
+    seed_corpus = "corpora/stun-corpus"
+    dict = "corpora/stun.tokens"
+  }
+
+  webrtc_fuzzer_test("stun_validator_fuzzer") {
+    sources = [
+      "stun_validator_fuzzer.cc",
+    ]
+    deps = [
+      "../../p2p:rtc_p2p",
+    ]
+    seed_corpus = "corpora/stun-corpus"
+    dict = "corpora/stun.tokens"
+  }
 }