Switch to standard integer types in components/, part 3 of 4.

components/os_crypt/os_crypt_posix.cc

 // Copyright 2014 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/os_crypt/os_crypt.h"
 
+#include <stddef.h>
+
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "crypto/encryptor.h"
 #include "crypto/symmetric_key.h"
 
 namespace {
 
 // Salt for Symmetric key derivation.
 const char kSalt[] = "saltysalt";
@@ skipping 113 matching lines @@
   std::string iv(kIVBlockSizeAES128, ' ');
   crypto::Encryptor encryptor;
   if (!encryptor.Init(encryption_key.get(), crypto::Encryptor::CBC, iv))
     return false;
 
   if (!encryptor.Decrypt(raw_ciphertext, plaintext))
     return false;
 
   return true;
 }