chromium/components/browser_ui/styles/android/java/res/color/selection_control_button_tint_list.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.
-->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:alpha="@dimen/default_disabled_alpha"
        android:color="@macro/default_control_color_normal" android:state_enabled="false" />
    <item android:state_checked="true" android:color="@macro/default_control_color_active" />
    <item android:color="@macro/default_control_color_normal"/>
</selector>