chromium/chrome/browser/loading_modal/android/java/res/layout/loading_modal_button_bar.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2022 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

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

  <org.chromium.ui.widget.ButtonCompat
      android:id="@+id/cancel_loading_modal"
      android:layout_gravity="center"
      android:layout_marginBottom="16dp"
      android:layout_height="wrap_content"
      android:layout_width="wrap_content"
      android:text="@string/password_generation_dialog_cancel_button"
      android:layout_centerHorizontal="true"
      style="@style/TextButton"/>

</RelativeLayout>