chromium/components/browser_ui/widget/android/java/res/drawable/menu_bg_tinted_on_dark_bg.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2024 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<layer-list
    xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@drawable/popup_bg" />
    <item>
        <shape
            xmlns:app="http://schemas.android.com/apk/res-auto"
            android:shape="rectangle">
            <corners android:radius="@dimen/popup_bg_corner_radius" />
            <solid android:color="@color/dialog_bg_color_dark_baseline"/>
        </shape>
    </item>
</layer-list>