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

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2015 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. -->

<org.chromium.chrome.browser.ntp.RecentTabsGroupView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/recent_tabs_group_view"
    android:layout_height="wrap_content"
    android:layout_width="match_parent"
    android:background="?attr/selectableItemBackground" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingStart="@dimen/list_item_default_margin"
        android:orientation="vertical"
        android:layout_centerVertical="true" >

        <TextView
            android:id="@+id/device_label"
            android:layout_height="wrap_content"
            android:layout_width="match_parent"
            android:ellipsize="end"
            android:gravity="center_vertical"
            android:minHeight="24dp"
            android:singleLine="true"
            android:textAlignment="viewStart"
            android:textAppearance="@style/TextAppearance.BlackTitle1" />

        <TextView
            android:id="@+id/time_label"
            android:layout_height="wrap_content"
            android:layout_width="match_parent"
            android:ellipsize="end"
            android:textAlignment="viewStart"
            android:textAppearance="@style/TextAppearance.BlackHint2" />
    </LinearLayout>

    <ImageView
        android:id="@+id/expand_collapse_icon"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:layout_alignParentEnd="true"
        android:layout_centerVertical="true"
        android:layout_marginStart="8dp"
        android:layout_marginEnd="16dp"
        tools:ignore="ContentDescription" />

</org.chromium.chrome.browser.ntp.RecentTabsGroupView>