Switch to standard integer types in components/, part 2 of 4.

components/gcm_driver/crypto/encryption_header_parsers_unittest.cc

 // Copyright 2015 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 "components/gcm_driver/crypto/encryption_header_parsers.h"
 
+#include <stddef.h>
+#include <stdint.h>
+
 #include <vector>
 
 #include "base/macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gcm {
 
 namespace {
 
@@ skipping 269 matching lines @@
   ASSERT_EQ(1u, crypto_key_values.size());
 
   EXPECT_EQ("myotherkeyid", crypto_key_values[0].keyid);
   EXPECT_EQ("akey", crypto_key_values[0].aesgcm128);
   EXPECT_EQ("yourdh", crypto_key_values[0].dh);
 }
 
 }  // namespace
 
 }  // namespace gcm