cr.define('options', function() {
    const OptionsPage = options.OptionsPage;
    function MouseGestureOptions() {
        OptionsPage.call(this, 'mousegesture',
            '选项 - 鼠标手势','mousegesturePage');
    };
    MouseGestureOptions.prototype = {
         __proto__: options.OptionsPage.prototype,
        initializePage: function(){},
    };
    cr.addSingletonGetter(MouseGestureOptions);
    return {
        MouseGestureOptions: MouseGestureOptions
    };});

<ul><!-- 所有可配置手势 -->
    <li>
        <span/> <!-- 当前手势 -->
        <select> <!-- 下拉手势选择 -->
            <option>
            <option>
            ...
        </select>
    </li>
    ...
</ul>

chrome.send('getCustomMouseGestureRules', []);
    <<< window.setCustomMouseGestureRules
        map:[ {"操作名":ID}
            ,"D":10002
            ,,,]
            无序...

<div>
    <div/> <!-- 当前选项模擬 -->
    < ul> <!-- 选择器模擬 -->
        < li>
        ...
    < /ul>
</div>
<select> <!-- 原选择器 -->
    <option>
    ...
</select>