Switch to standard integer types in base/strings/.

base/strings/string_util_win.h

 // Copyright 2013 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.
 
 #ifndef BASE_STRINGS_STRING_UTIL_WIN_H_
 #define BASE_STRINGS_STRING_UTIL_WIN_H_
 
 #include <stdarg.h>
+#include <stddef.h>
 #include <stdio.h>
 #include <string.h>
 #include <wchar.h>
 
 #include "base/logging.h"
 
 namespace base {
 
 // Chromium code style is to not use malloc'd strings; this is only for use
 // for interaction with APIs that require it.
@@ skipping 15 matching lines @@
 
   int length = _vsnwprintf_s(buffer, size, size - 1, format, arguments);
   if (length < 0)
     return _vscwprintf(format, arguments);
   return length;
 }
 
 }  // namespace base
 
 #endif  // BASE_STRINGS_STRING_UTIL_WIN_H_