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

sandbox/win/src/registry_interception.cc

 // 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.
 
 #include "sandbox/win/src/registry_interception.h"
 
 #include "sandbox/win/src/crosscall_client.h"
 #include "sandbox/win/src/ipc_tags.h"
 #include "sandbox/win/src/sandbox_factory.h"
 #include "sandbox/win/src/sandbox_nt_util.h"
+#include "sandbox/win/src/sandbox_nt_util_base.h"
 #include "sandbox/win/src/sharedmem_ipc_client.h"
 #include "sandbox/win/src/target_services.h"
 
 namespace sandbox {
 
 NTSTATUS WINAPI TargetNtCreateKey(NtCreateKeyFunction orig_CreateKey,
                                   PHANDLE key, ACCESS_MASK desired_access,
                                   POBJECT_ATTRIBUTES object_attributes,
                                   ULONG title_index, PUNICODE_STRING class_name,
                                   ULONG create_options, PULONG disposition) {
@@ skipping 146 matching lines @@
   // We do not support open_options at this time. The 2 current known values
   // are REG_OPTION_CREATE_LINK, to open a symbolic link, and
   // REG_OPTION_BACKUP_RESTORE to open the key with special privileges.
   if (NT_SUCCESS(status) || open_options != 0)
     return status;
 
   return CommonNtOpenKey(status, key, desired_access, object_attributes);
 }
 
 }  // namespace sandbox