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

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2016 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. -->
<org.chromium.chrome.browser.signin.SyncPromoView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="@dimen/list_item_default_margin"
        android:layout_marginEnd="@dimen/list_item_default_margin"
        android:id="@+id/sync_promo_view_layout"
        android:orientation="vertical"
        android:padding="@dimen/sync_promo_view_padding"
        android:background="@drawable/hairline_border_card_background">

        <TextView
            android:id="@+id/title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="8dp"
            android:textAppearance="@style/TextAppearance.BlackTitle1" />

        <TextView
            android:id="@+id/description"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:textAppearance="@style/TextAppearance.BlackBody"
            android:lineSpacingExtra="6sp" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="end"
            android:gravity="center_vertical"
            android:orientation="horizontal" >

            <org.chromium.ui.widget.ButtonCompat
                android:id="@+id/sign_in"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                style="@style/FilledButton" />
        </LinearLayout>

    </LinearLayout>

</org.chromium.chrome.browser.signin.SyncPromoView>