iceraven-browser/app/src/main/res/menu/addons_menu.xml

<?xml version="1.0" encoding="utf-8"?><!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/search"
        android:icon="@drawable/ic_search"
        android:title="@string/addons_search_hint"
        app:iconTint="?primaryText"
        app:actionViewClass="androidx.appcompat.widget.SearchView"
        android:contentDescription="@string/addons_search_hint"
        app:showAsAction="ifRoom|collapseActionView" />
</menu>