chromium/overlay/frameworks/base/core/res/res/layout/webviewchromium_date_time_picker_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (c) 2012 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="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center_horizontal"
    android:orientation="vertical"
    android:gravity="center">

    <DatePicker
        android:id="@+id/webviewchromium_date_picker"
        android:layout_gravity="center_horizontal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:spinnersShown="true"
        android:calendarViewShown="false"
        android:contentDescription="@string/webviewchromium_accessibility_datetime_picker_date"
        />

    <TimePicker
        android:id="@+id/webviewchromium_time_picker"
        android:layout_gravity="center_horizontal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:contentDescription="@string/webviewchromium_accessibility_datetime_picker_time"
        />

</LinearLayout>