Remove sandbox on Windows.

sandbox/win/src/ipc_tags.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.
-
-#ifndef SANDBOX_SRC_IPC_TAGS_H__
-#define SANDBOX_SRC_IPC_TAGS_H__
-
-namespace sandbox {
-
-enum {
-  IPC_UNUSED_TAG = 0,
-  IPC_PING1_TAG,  // Takes a cookie in parameters and returns the cookie
-                  // multiplied by 2 and the tick_count. Used for testing only.
-  IPC_PING2_TAG,  // Takes an in/out cookie in parameters and modify the cookie
-                  // to be multiplied by 3. Used for testing only.
-  IPC_NTCREATEFILE_TAG,
-  IPC_NTOPENFILE_TAG,
-  IPC_NTQUERYATTRIBUTESFILE_TAG,
-  IPC_NTQUERYFULLATTRIBUTESFILE_TAG,
-  IPC_NTSETINFO_RENAME_TAG,
-  IPC_CREATENAMEDPIPEW_TAG,
-  IPC_NTOPENTHREAD_TAG,
-  IPC_NTOPENPROCESS_TAG,
-  IPC_NTOPENPROCESSTOKEN_TAG,
-  IPC_NTOPENPROCESSTOKENEX_TAG,
-  IPC_CREATEPROCESSW_TAG,
-  IPC_CREATEEVENT_TAG,
-  IPC_OPENEVENT_TAG,
-  IPC_NTCREATEKEY_TAG,
-  IPC_NTOPENKEY_TAG,
-  IPC_DUPLICATEHANDLEPROXY_TAG,
-  IPC_GDI_GDIDLLINITIALIZE_TAG,
-  IPC_GDI_GETSTOCKOBJECT_TAG,
-  IPC_USER_REGISTERCLASSW_TAG,
-  IPC_CREATETHREAD_TAG,
-  IPC_LAST_TAG
-};
-
-}  // namespace sandbox
-
-#endif  // SANDBOX_SRC_IPC_TAGS_H__