Remove sandbox on Windows.

sandbox/win/src/handle_interception.h

-// Copyright (c) 2012 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/nt_internals.h"
-#include "sandbox/win/src/sandbox_types.h"
-
-#ifndef SANDBOX_SRC_HANDLE_INTERCEPTION_H_
-#define SANDBOX_SRC_HANDLE_INTERCEPTION_H_
-
-namespace sandbox {
-
-// TODO(jschuh) Add an interception to catch dangerous DuplicateHandle calls.
-
-ResultCode DuplicateHandleProxy(HANDLE source_handle,
-                                DWORD target_process_id,
-                                HANDLE* target_handle,
-                                DWORD desired_access,
-                                DWORD options);
-
-}  // namespace sandbox
-
-#endif  // SANDBOX_SRC_HANDLE_INTERCEPTION_H_
-