res/menu/main_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2015 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. -->

<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@+id/menu_about"
          android:title="@string/menu_about"/>
</menu>