Remove sandbox on Windows.

sandbox/win/src/process_mitigations_win32k_interception.cc

-// 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.
-
-#include "sandbox/win/src/process_mitigations_win32k_interception.h"
-
-namespace sandbox {
-
-BOOL WINAPI TargetGdiDllInitialize(
-    GdiDllInitializeFunction orig_gdi_dll_initialize,
-    HANDLE dll,
-    DWORD reason) {
-  return TRUE;
-}
-
-HGDIOBJ WINAPI TargetGetStockObject(
-    GetStockObjectFunction orig_get_stock_object,
-    int object) {
-  return reinterpret_cast<HGDIOBJ>(NULL);
-}
-
-ATOM WINAPI TargetRegisterClassW(
-    RegisterClassWFunction orig_register_class_function,
-    const WNDCLASS* wnd_class) {
-  return TRUE;
-}
-
-}  // namespace sandbox
-