Restructure sandbox code to reduce dependencies pulled in by intercept code.

sandbox/win/src/nt_internals.h

-// Copyright (c) 2006-2010 The Chromium Authors. All rights reserved.
+// 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.
 
 // This file holds definitions related to the ntdll API.
 
 #ifndef SANDBOX_WIN_SRC_NT_INTERNALS_H__
 #define SANDBOX_WIN_SRC_NT_INTERNALS_H__
 
 #include <windows.h>
 
@@ skipping 582 matching lines @@
   IN const char* _Str1,
   IN const char* _Str2,
   IN size_t _MaxCount);
 
 typedef size_t  (__cdecl *strlenFunction)(
   IN const char * _Str);
 
 typedef size_t (__cdecl *wcslenFunction)(
   IN const wchar_t* _Str);
 
+typedef void* (__cdecl *memcpyFunction)(
+  IN void* dest,
+  IN const void* src,
+  IN size_t count);
+
 typedef NTSTATUS (WINAPI *RtlAnsiStringToUnicodeStringFunction)(
   IN OUT PUNICODE_STRING  DestinationString,
   IN PANSI_STRING  SourceString,
   IN BOOLEAN  AllocateDestinationString);
 
 typedef LONG (WINAPI *RtlCompareUnicodeStringFunction)(
   IN PCUNICODE_STRING  String1,
   IN PCUNICODE_STRING  String2,
   IN BOOLEAN  CaseInSensitive);
 
@@ skipping 22 matching lines @@
     POBJECT_ATTRIBUTES ObjectAttributes);
 
 #define DIRECTORY_QUERY               0x0001
 #define DIRECTORY_TRAVERSE            0x0002
 #define DIRECTORY_CREATE_OBJECT       0x0004
 #define DIRECTORY_CREATE_SUBDIRECTORY 0x0008
 #define DIRECTORY_ALL_ACCESS          0x000F
 
 #endif  // SANDBOX_WIN_SRC_NT_INTERNALS_H__