chromium/chrome/browser/ui/android/appmenu/java/res/values/styles.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2019 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<resources>
    <!-- The following styles may be used to style views provided by a CustomViewBinder or attached
         to the app menu as headers or footers. -->

    <!-- Styling for an icon in an app menu icon row. -->
    <style name="OverflowMenuButton">
        <item name="android:layout_width">0dp</item>
        <item name="android:layout_height">match_parent</item>
        <item name="android:layout_weight">1</item>
        <item name="android:background">?attr/listChoiceBackgroundIndicator</item>
        <item name="android:scaleType">center</item>
        <item name="tint">@color/default_icon_color_tint_list</item>
    </style>
</resources>