chrome/android/java/res/layout/title_button_menu_item.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2014 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.
-->

<!-- Represents a menu item that can display any of the following options:
     * A text label
     * A text label with a checkbox indicating that it is enabled or disabled
     * A text label with an icon
-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="?android:attr/listPreferredItemHeightSmall">
    <TextView
        android:id="@+id/title"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:layout_weight="1"
        android:background="?attr/listChoiceBackgroundIndicator"
        android:gravity="center_vertical"
        android:paddingStart="16dp"
        android:paddingEnd="9dp"
        android:singleLine="true"
        android:textAppearance="?android:attr/textAppearanceLargePopupMenu" />

    <!-- Checkbox.  Paddings account for built-in padding from the Android resource. -->
    <org.chromium.chrome.browser.appmenu.AppMenuItemIcon
        android:id="@+id/checkbox"
        android:layout_width="56dp"
        android:layout_height="match_parent"
        android:background="?attr/listChoiceBackgroundIndicator"
        android:paddingStart="12dp"
        android:paddingEnd="12dp"
        android:paddingTop="8dp"
        android:paddingBottom="8dp"
        android:scaleType="fitCenter"
        android:src="?android:attr/listChoiceIndicatorMultiple" />

    <!-- Displays an icon. -->
    <org.chromium.ui.widget.ChromeImageButton
        android:id="@+id/button"
        android:layout_width="56dp"
        android:layout_height="match_parent"
        android:background="?attr/listChoiceBackgroundIndicator"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        android:paddingTop="12dp"
        android:paddingBottom="12dp"
        android:scaleType="fitCenter" />
</LinearLayout>