chrome/test/data/extensions/api_test/keybinding/component/background.js

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

const platformBinding = /Mac/.test(navigator.platform) ? '⇧⌘5' : 'Ctrl+Shift+5';
chrome.commands.getAll(function(commands) {
  chrome.test.assertEq(1, commands.length);
  chrome.test.assertEq(platformBinding, commands[0].shortcut);
  chrome.test.notifyPass();
});