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

components/gcm_driver/crypto/gcm_message_cryptographer_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/gcm_message_cryptographer.h"
 
+#include <stddef.h>
+
 #include "base/base64url.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "components/gcm_driver/crypto/p256_key_util.h"
 #include "crypto/random.h"
 #include "crypto/symmetric_key.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gcm {
 
 namespace {
@@ skipping 473 matching lines @@
 
   ASSERT_TRUE(cryptographer.Decrypt(
       reference_ciphertext, receiver_shared_secret, salt,
       4096 /* record size */, &plaintext));
 
   // Verify that the decrypted plaintext matches the reference plaintext.
   EXPECT_EQ(kPlaintext, plaintext);
 }
 
 }  // namespace gcm