Implement fuzzing of VP9 depacketization.

webrtc/BUILD.gn

Index: webrtc/BUILD.gn
diff --git a/webrtc/BUILD.gn b/webrtc/BUILD.gn
index 45e7c144fd920661aaa029a207d5592658b6b52a..f2767e019744f0538e9aa32f3a4e33b26b251308 100644
--- a/webrtc/BUILD.gn
+++ b/webrtc/BUILD.gn
@@ -9,6 +9,7 @@
 # TODO(kjellander): Rebase this to webrtc/build/common.gypi changes after r6330.
 
 import("//build/config/linux/pkg_config.gni")
+import("//build/config/sanitizers/sanitizers.gni")
 import("build/webrtc.gni")
 import("//third_party/protobuf/proto_library.gni")
 
@@ -177,8 +178,8 @@ source_set("webrtc") {
   public_configs = [ ":common_inherited_config" ]
 
   deps = [
-    "audio",
     ":webrtc_common",
+    "audio",
     "base:rtc_base",
     "call",
     "common_audio",
@@ -218,8 +219,8 @@ if (!build_with_chromium) {
     testonly = true
     deps = [
       ":webrtc",
-      "modules/video_render:video_render_internal_impl",
       "modules/video_capture:video_capture_internal_impl",
+      "modules/video_render:video_render_internal_impl",
       "test",
     ]
   }
@@ -278,3 +279,12 @@ source_set("rtc_event_log") {
     configs -= [ "//build/config/clang:find_bad_constructs" ]
   }
 }
+
+if (use_libfuzzer) {
+  group("webrtc_fuzzers") {
+    testonly = true
+    deps = [
+      "test/fuzzers:vp9_depacketizer_fuzzer",
+    ]
+  }
+}