android_webview/nonembedded/java/res_devui/layout/activity_flags.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  Copyright 2019 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:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="10dp">

    <include
        layout="@layout/persistent_error_message"
        android:id="@+id/webview_package_error"/>

    <!--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:paddingBottom="5dp"
        android:paddingTop="5dp"
        android:textAppearance="?android:attr/textAppearanceLarge"/>

    <TextView
        android:id="@+id/flags_description"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingBottom="5dp"
        android:paddingTop="5dp"
        android:textAppearance="?android:attr/textAppearanceMedium"/>

    <!--suppress HardcodedText -->
    <Button
        android:text="Reset all to default"
        android:id="@+id/reset_flags_button"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="5dp"
        android:textAppearance="?android:attr/textAppearanceMedium"/>

    <!-- horizontal divider -->
    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="?android:attr/listDivider"/>

    <ListView
        android:id="@+id/flags_list"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

</LinearLayout>