Add simple HPKP and HSTS header parser fuzzers.

net/http/http_security_headers_hpkp_fuzzer.cc

Index: net/http/http_security_headers_hpkp_fuzzer.cc
diff --git a/net/http/http_security_headers_hpkp_fuzzer.cc b/net/http/http_security_headers_hpkp_fuzzer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cc1b33609c97b5d5e00a44846d9d5571cd94cddd
--- /dev/null
+++ b/net/http/http_security_headers_hpkp_fuzzer.cc
@@ -0,0 +1,31 @@
+// 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 <stddef.h>
+#include <stdint.h>
+#include <string>
+
+#include "base/time/time.h"
+#include "net/base/hash_value.h"
+#include "net/http/http_security_headers.h"
+#include "net/ssl/ssl_info.h"
+#include "url/gurl.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  std::string input(data, data + size);
+  base::TimeDelta max_age;
+  bool include_subdomains;
+  net::HashValueVector spki_hashes;
+  GURL report_uri;
+
+  net::HashValue hash;
+  hash.FromString("sha256/1111111111111111111111111111111111111111111=");
+
+  net::SSLInfo ssl_info;
+  ssl_info.public_key_hashes.push_back(hash);
+
+  net::ParseHPKPHeader(input, ssl_info.public_key_hashes, &max_age,
+                       &include_subdomains, &spki_hashes, &report_uri);
+  return 0;
+}