gecko-dev/mobile/android/base/resources/layout/browser_search.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="match_parent">

    <ViewStub android:id="@+id/suggestions_opt_in_prompt"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:layout="@layout/home_suggestion_prompt" />

    <view class="org.mozilla.gecko.home.BrowserSearch$HomeSearchListView"
            android:id="@+id/home_list_view"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1" />

</LinearLayout>