chromium/chrome/android/java/res/layout/history_clear_browsing_data_header.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.
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:paddingBottom="8dp">

        <!-- Sets edge padding separately because android:padding doesn't override
             android:paddingStart. -->
        <org.chromium.ui.widget.ButtonCompat
            android:id="@+id/clear_browsing_data_button"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="top"
            android:paddingTop="@dimen/list_item_default_margin"
            android:paddingBottom="@dimen/list_item_default_margin"
            android:paddingStart="@dimen/list_item_default_margin"
            android:paddingEnd="@dimen/list_item_default_margin"
            android:gravity="center_vertical|start"
            android:text="@string/open_clear_browsing_data_dialog_button"
            app:verticalInset="0dp"
            style="@style/TextButton" />

        <View style="@style/HorizontalDivider" />

</LinearLayout>