chromium/android_webview/nonembedded/java/res_devui/layout/flag_ui_warning.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  Copyright 2020 The Chromium Authors
  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:id="@+id/flag_ui_warning"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:paddingTop="8dp"
    android:paddingBottom="8dp">

    <!--suppress HardcodedText -->
    <TextView
        android:id="@+id/flags_warning"
        android:text="WARNING: EXPERIMENTAL FEATURES AHEAD!"
        android:textColor="@color/error_red"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:textIsSelectable="true"
        android:textAppearance="?android:attr/textAppearanceLarge"/>

    <TextView
        android:id="@+id/flags_description"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textIsSelectable="true"
        android:textAppearance="?android:attr/textAppearanceMedium"/>

</LinearLayout>