chrome/browser/resources/chromeos/accessibility/switch_access/background.js

// Copyright 2017 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.

import {SwitchAccess} from './switch_access.js';

InstanceChecker.closeExtraInstances();
SwitchAccess.initialize();