chromium/chrome/browser/language/android/java/res/layout/add_languages_main.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2017 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" >

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/language_list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <include layout="@layout/settings_action_bar_shadow"/>

</FrameLayout>