Add a fuzzer for the Origin Trial token parser

content/test/fuzzer/origin_trial_token_fuzzer.cc

-// Copyright 2015 The Chromium Authors. All rights reserved.
+// 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.
 
+#include "content/common/origin_trials/trial_token.h"
+
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/at_exit.h"
 #include "base/i18n/icu_util.h"
+#include "content/test/fuzzer/fuzzer_support.h"
 #include "url/gurl.h"
 
 struct TestCase {
   TestCase() {
     CHECK(base::i18n::InitializeICU());
   }
 
   // used by ICU integration.
   base::AtExitManager at_exit_manager;
 };
 
 TestCase* test_case = new TestCase();
 
 // Entry point for LibFuzzer.
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  GURL url(std::string(reinterpret_cast<const char*>(data), size));
+  content::TrialToken::Parse(std::string(reinterpret_cast<const char*>(data),
+                                         size));
   return 0;
 }