Pickup github update for brotli fuzz target.

third_party/brotli/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("//testing/libfuzzer/fuzzer_test.gni")
+
 if (is_win) {
   import("//build/config/win/visual_studio_version.gni")
 }
 
 config("includes") {
   include_dirs = [ "include" ]
 }
 
 static_library("common") {
   sources = [
@@ skipping 106 matching lines @@
       cflags = [ "/wd4334" ]
     }
 
     # Always build release since this is a build tool.
     if (is_debug) {
       configs -= [ "//build/config:debug" ]
       configs += [ "//build/config:release" ]
     }
   }
 }
+
+fuzzer_test("brotli_fuzzer") {
+  sources = [
+    "fuzz/decode_fuzzer.cc",
+  ]
+  deps = [
+    ":dec",
+  ]
+  libfuzzer_options = [ "max_len=1280" ]
+}