chrome/android/java/res/layout/promo_dialog_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2017 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. -->

<!-- This XML should not be inflated by anything except PromoDialog.java.

     This layout is deeply nested to account for the various bits having to flop orientations
     in landscape.  If these become more frequently used, we should investigate optimizing the
     layout.
-->
<merge
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

    <org.chromium.chrome.browser.widget.PromoDialogLayout
            android:id="@+id/promo_dialog_layout"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:orientation="vertical"
            android:background="@drawable/popup_bg_tinted"
            app:maxWidthLandscape="@dimen/dialog_max_width"
            app:maxWidthPortrait="@dimen/dialog_max_width" >

        <org.chromium.chrome.browser.widget.FadingEdgeScrollView
                android:id="@+id/promo_container"
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="1"
                android:fadeScrollbars="false" >

            <!-- This layout pivots when the dialog is wider than it is tall. -->
            <LinearLayout
                    android:id="@+id/full_promo_content"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:padding="@dimen/promo_dialog_padding"
                    android:gravity="center"
                    android:orientation="vertical" >

                <ImageView
                        android:id="@+id/illustration"
                        android:layout_width="@dimen/promo_dialog_illustration_width"
                        android:layout_height="wrap_content"
                        android:layout_gravity="center"
                        android:paddingTop="@dimen/promo_dialog_illustration_margin"
                        android:layout_marginStart="@dimen/promo_dialog_illustration_margin"
                        android:layout_marginEnd="@dimen/promo_dialog_illustration_margin"
                        android:scaleType="fitCenter"
                        tools:ignore="ContentDescription" />

                <org.chromium.chrome.browser.widget.BoundedLinearLayout
                        android:id="@+id/scrollable_promo_content"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:orientation="vertical"
                        app:maxWidthLandscape="@dimen/promo_dialog_max_content_width"
                        app:maxWidthPortrait="@dimen/promo_dialog_max_content_width" >

                    <TextView
                        android:id="@+id/header"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginTop="@dimen/dialog_header_margin"
                        android:layout_marginBottom="@dimen/dialog_header_margin"
                        android:textAppearance="@style/TextAppearance.BlackHeadline" />

                    <TextView
                        android:id="@+id/subheader"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        style="@style/PromoDialogNormalText" />
                </org.chromium.chrome.browser.widget.BoundedLinearLayout>
            </LinearLayout>

        </org.chromium.chrome.browser.widget.FadingEdgeScrollView>

        <ViewStub
                android:id="@+id/footer_stub"
                android:layout="@layout/infobar_control_description"
                android:inflatedId="@+id/footer"
                android:layout_margin="@dimen/promo_dialog_padding"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />

        <org.chromium.chrome.browser.widget.DualControlLayout
                android:id="@+id/button_bar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="end"
                android:padding="@dimen/promo_dialog_padding"
                app:buttonAlignment="end"
                app:stackedMargin="@dimen/infobar_padding" />

    </org.chromium.chrome.browser.widget.PromoDialogLayout>

</merge>