chromium/chrome/browser/ui/android/omnibox/java/res/layout/location_bar_base.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2017 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<!-- Layout for the control group representing Chrome's URL bar on small devices.
     This file is used for different LocationBarLayout subclasses and should remain generic.
-->
<merge
    xmlns:android="http://schemas.android.com/apk/res/android" >

    <!-- This space will be expanded when the location bar is focused on phone and tablet
         form factor. Or its width will be expanded when initialized in search widget location
         bar on phone form factor.
    -->
    <Space android:id="@+id/location_bar_status_view_left_space"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:focusable="false" />

    <include layout="@layout/location_status" />

    <!-- This space will be expanded when the location bar is focused on phone form factor.
         Or its width will be expanded when initialized in search widget location bar on
         phone form factor
    -->
    <Space android:id="@+id/location_bar_status_view_right_space"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:focusable="false" />

    <include
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="3dp"
        android:layout_marginBottom="3dp"
        android:layout_marginStart="@dimen/location_bar_icon_width"
        android:layout_gravity="center_vertical"
        android:nextFocusForward="@+id/tab_switcher_button"
        layout="@layout/url_bar" />

    <include layout="@layout/url_action_container" />

</merge>