Remove sandbox on Windows.

sandbox/win/src/process_mitigations_win32k_interception.h

-// Copyright 2014 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_PROCESS_MITIGATIONS_WIN32K_INTERCEPTION_H_
-#define SANDBOX_SRC_PROCESS_MITIGATIONS_WIN32K_INTERCEPTION_H_
-
-#include <windows.h>
-#include "sandbox/win/src/sandbox_types.h"
-
-namespace sandbox {
-
-extern "C" {
-
-typedef BOOL (WINAPI* GdiDllInitializeFunction) (
-    HANDLE dll,
-    DWORD reason,
-    LPVOID reserved);
-
-typedef HGDIOBJ (WINAPI *GetStockObjectFunction) (int object);
-
-typedef ATOM (WINAPI *RegisterClassWFunction) (const WNDCLASS* wnd_class);
-
-// Interceptor for the  GdiDllInitialize function.
-SANDBOX_INTERCEPT BOOL WINAPI TargetGdiDllInitialize(
-    GdiDllInitializeFunction orig_gdi_dll_initialize,
-    HANDLE dll,
-    DWORD reason);
-
-// Interceptor for the GetStockObject function.
-SANDBOX_INTERCEPT HGDIOBJ WINAPI TargetGetStockObject(
-    GetStockObjectFunction orig_get_stock_object,
-    int object);
-
-// Interceptor for the RegisterClassW function.
-SANDBOX_INTERCEPT ATOM WINAPI TargetRegisterClassW(
-    RegisterClassWFunction orig_register_class_function,
-    const WNDCLASS* wnd_class);
-
-}  // extern "C"
-
-}  // namespace sandbox
-
-#endif  // SANDBOX_SRC_PROCESS_MITIGATIONS_WIN32K_INTERCEPTION_H_
-