chrome/android/java/res_download/layout/downloads_empty_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2018 The Chromium Authors. All rights reserved.
    Use of this source code is governed by a BSD-style license that can be
    found in the LICENSE file. -->

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

    <TextView
        android:id="@+id/empty"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="36dp"
        android:layout_marginEnd="36dp"
        android:layout_gravity="center"
        android:gravity="center"
        android:drawablePadding="20dp"
        android:textAppearance="@style/TextAppearance.BlackDisabledText1"/>

    <org.chromium.chrome.browser.widget.LoadingView
        android:id="@+id/loading"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center" />

</FrameLayout>