Add a fuzzer for the Origin Trial token parser

content/test/fuzzer/BUILD.gn

 # Copyright 2016 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.
 
 # Fuzzers for content/ components.
 
 import("//testing/libfuzzer/fuzzer_test.gni")
 
 # Empty group for package discovery.
 group("fuzzer") {
 }
 
 # gn complains of private dependencies in component build.
 if (!is_component_build) {
   source_set("fuzzer_support") {
     sources = [
       "fuzzer_support.cc",
     ]
     public_deps = [
       "//base",
       "//content/renderer:for_content_tests",
       "//content/shell:content_shell_lib",
       "//content/test:test_support",
       "//gin",
     ]
     testonly = true
   }
 
+  fuzzer_test("origin_trial_token_fuzzer") {
+    sources = [
+      "origin_trial_token_fuzzer.cc",
+    ]
+    deps = [
+      ":fuzzer_support",
+    ]
+    dict =
+        "//content/test/data/fuzzer_dictionaries/origin_trial_token_fuzzer.dict"
+    seed_corpus = "//content/test/data/fuzzer_corpus/origin_trial_token_data/"
+  }
+
   fuzzer_test("renderer_fuzzer") {
     sources = [
       "renderer_fuzzer.cc",
     ]
     deps = [
       ":fuzzer_support",
     ]
   }
 
   fuzzer_test("renderer_tree_fuzzer") {
@@ skipping 10 matching lines @@
       "clear_site_data_fuzzer.cc",
     ]
     deps = [
       ":fuzzer_support",
       "//base",
       "//content/browser:for_content_tests",
     ]
     seed_corpus = "//content/test/data/fuzzer_corpus/clear_site_data/"
   }
 }