chromium/chrome/browser/feed/android/java/res/layout/feed_management_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2021 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"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:layoutDirection="locale">

  <com.google.android.material.appbar.AppBarLayout
      android:id="@+id/app_bar_layout"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:fitsSystemWindows="true"
      app:liftOnScroll="true">

      <com.google.android.material.appbar.MaterialToolbar
          android:id="@+id/action_bar"
          android:layout_width="match_parent"
          android:layout_height="?attr/actionBarSize"
          style="@style/ManagementActivityNoActionBar"
          app:title="@string/ntp_manage_feed" />
  </com.google.android.material.appbar.AppBarLayout>

  <!-- This list gets the management options. -->
  <ListView
      android:id="@+id/feed_management_menu"
      android:layout_width="match_parent"
      android:layout_height="wrap_content" />

</LinearLayout>