chrome/android/java/res/menu/download_manager_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2016 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"
    xmlns:chrome="http://schemas.android.com/apk/res-auto" >

    <group android:id="@+id/normal_menu_group"
        android:visible="false" >
        <item
            android:id="@+id/info_menu_id"
            android:icon="@drawable/btn_info"
            android:title="@string/show_info"
            android:visible="false"
            chrome:showAsAction="ifRoom" />
        <item
            android:id="@+id/search_menu_id"
            android:icon="@drawable/ic_search"
            android:title="@string/search"
            android:visible="false"
            chrome:showAsAction="ifRoom" />
        <item
            android:id="@+id/close_menu_id"
            android:icon="@drawable/btn_close"
            android:title="@string/close"
            chrome:showAsAction="ifRoom" />
     </group>
    <group android:id="@+id/with_settings_normal_menu_group"
        android:visible="false" >
        <item
            android:id="@+id/settings_menu_id"
            android:icon="@drawable/btn_settings"
            android:title="@string/preferences"
            android:visible="false"
            chrome:showAsAction="ifRoom" />
        <item
            android:id="@+id/with_settings_search_menu_id"
            android:icon="@drawable/ic_search"
            android:title="@string/search"
            android:visible="false"
            chrome:showAsAction="ifRoom" />
        <item
            android:id="@+id/with_settings_close_menu_id"
            android:icon="@drawable/btn_close"
            android:title="@string/close"
            chrome:showAsAction="ifRoom" />
    </group>
     <group
        android:id="@+id/selection_mode_menu_group"
        android:visible="false" >
        <item
            android:id="@+id/selection_mode_share_menu_id"
            android:icon="@drawable/ic_share_white_24dp"
            android:title="@string/share"
            chrome:showAsAction="ifRoom" />
        <item
            android:id="@+id/selection_mode_delete_menu_id"
            android:icon="@drawable/ic_delete_white_24dp"
            android:title="@string/delete"
            chrome:showAsAction="ifRoom" />
     </group>
</menu>