In windows 7 there is a new Reg call that we need to...

sandbox/src/nt_internals.h

 // 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.
 
 // This file holds definitions related to the ntdll API.
 
 #ifndef SANDBOX_SRC_NT_INTERNALS_H__
 #define SANDBOX_SRC_NT_INTERNALS_H__
 
 #include <windows.h>
@@ skipping 336 matching lines @@
   IN ULONG TitleIndex,
   IN PUNICODE_STRING Class OPTIONAL,
   IN ULONG CreateOptions,
   OUT PULONG Disposition OPTIONAL);
 
 typedef NTSTATUS (WINAPI *NtOpenKeyFunction)(
   OUT PHANDLE KeyHandle,
   IN ACCESS_MASK DesiredAccess,
   IN POBJECT_ATTRIBUTES ObjectAttributes);
 
+typedef NTSTATUS (WINAPI *NtOpenKeyExFunction)(
+  OUT PHANDLE KeyHandle,
+  IN ACCESS_MASK DesiredAccess,
+  IN POBJECT_ATTRIBUTES ObjectAttributes,
+  IN DWORD unknown);  // TODO(nsylvain): define this. bug 7611
+
 // -----------------------------------------------------------------------
 // Memory
 
 // Don't really need this structure right now.
 typedef PVOID PRTL_HEAP_PARAMETERS;
 
 typedef PVOID (WINAPI *RtlCreateHeapFunction)(
   IN ULONG Flags,
   IN PVOID HeapBase OPTIONAL,
   IN SIZE_T ReserveSize OPTIONAL,
@@ skipping 129 matching lines @@
   IN PCUNICODE_STRING  String2,
   IN BOOLEAN  CaseInSensitive);
 
 typedef VOID (WINAPI *RtlInitUnicodeStringFunction) (
   IN OUT PUNICODE_STRING DestinationString,
   IN PCWSTR SourceString);
 
 #endif  // SANDBOX_SRC_NT_INTERNALS_H__