chromium/components/browser_ui/widget/android/java/res/layout/expand_arrow_with_separator.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.
-->

<!-- An expand arrow with a separator, used to replace end_view_stub in
    radio_button_with_description. -->
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:gravity="center_vertical"
    android:orientation="horizontal">

    <View
        android:id="@+id/separator"
        android:layout_width="1dp"
        android:layout_height="match_parent"
        style="@style/VerticalDivider" />
    <org.chromium.ui.widget.ChromeImageButton
        android:id="@+id/expand_arrow"
        android:layout_height="match_parent"
        android:layout_width="wrap_content"
        android:paddingStart="@dimen/radio_button_with_description_and_aux_button_spacing"
        android:paddingEnd="@dimen/radio_button_with_description_lateral_padding"
        android:src="@drawable/ic_expand_more_horizontal_black_24dp"
        android:background="?android:attr/selectableItemBackground"
        android:contentDescription="@string/accessibility_expand_button"
        app:tint="@color/default_icon_color_tint_list"/>
</LinearLayout>