chrome/android/java/res/layout/modal_dialog_title.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. -->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    style="@style/AlertDialogContent">

    <org.chromium.ui.widget.ChromeImageView
        android:id="@+id/title_icon"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_marginEnd="8dp"
        android:importantForAccessibility="no" />

    <android.support.v7.widget.DialogTitle
        android:id="@+id/title"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:textAppearance="@style/TextAppearance.AlertDialogTitleStyle" />
</LinearLayout>