diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/base/string_util_win.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/base/string_util_win.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,51 @@
+// Copyright (c) 2006-2008 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_STRING_UTIL_WIN_H_
+#define BASE_STRING_UTIL_WIN_H_
+
+#include <stdarg.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.
+inline char* strdup(const char* str) {
+  return _strdup(str);
+}
+
+inline int strcasecmp(const char* s1, const char* s2) {
+  return _stricmp(s1, s2);
+}
+
+inline int strncasecmp(const char* s1, const char* s2, size_t count) {
+  return _strnicmp(s1, s2, count);
+}
+
+inline int vsnprintf(char* buffer, size_t size,
+                     const char* format, va_list arguments) {
+  int length = vsnprintf_s(buffer, size, size - 1, format, arguments);
+  if (length < 0)
+    return _vscprintf(format, arguments);
+  return length;
+}
+
+inline int vswprintf(wchar_t* buffer, size_t size,
+                     const wchar_t* format, va_list arguments) {
+  DCHECK(IsWprintfFormatPortable(format));
+
+  int length = _vsnwprintf_s(buffer, size, size - 1, format, arguments);
+  if (length < 0)
+    return _vscwprintf(format, arguments);
+  return length;
+}
+
+}  // namespace base
+
+#endif  // BASE_STRING_UTIL_WIN_H_