chrome/android/features/autofill_assistant/java/res/layout/autofill_assistant_sheet.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"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/autofill_assistant"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="bottom">

    <org.chromium.chrome.browser.autofill_assistant.overlay.TouchEventFilterView
        android:id="@+id/touch_event_filter"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:clickable="true"
        android:visibility="visible"
        android:focusable="false"
        android:orientation="vertical"/>

    <android.support.design.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom">

        <LinearLayout
            android:id="@+id/autofill_assistant_bottombar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            android:clickable="true"
            android:background="@drawable/autofill_assistant_bottombar_bg"
            android:orientation="vertical"
            app:behavior_peekHeight="34dp"
            app:layout_behavior="@string/bottom_sheet_behavior">

            <ImageView
                android:id="@+id/swipe_indicator"
                android:layout_width="36dp"
                android:layout_height="wrap_content"
                android:layout_marginTop="20dp"
                android:layout_gravity="center_horizontal"
                android:src="@drawable/autofill_assistant_swipe_indicator"
                tools:ignore="ContentDescription" />

            <include
                layout="@layout/autofill_assistant_header"/>

            <LinearLayout
                android:id="@+id/autofill_assistant_bottombar_container"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:paddingBottom="@dimen/autofill_assistant_bottombar_vertical_spacing"
                android:orientation="vertical"
                android:gravity="center"
                android:animateLayoutChanges="true" >
            </LinearLayout>

        </LinearLayout>
    </android.support.design.widget.CoordinatorLayout>
</FrameLayout>