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

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2019 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.gesturenav.NavigationBubble
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:minHeight="@dimen/navigation_bubble_default_height"
    android:gravity="center_vertical"
    android:orientation="horizontal">

    <org.chromium.ui.widget.ChromeImageView
        android:id="@+id/navigation_bubble_icon"
        android:layout_width="@dimen/navigation_bubble_icon_size"
        android:layout_height="@dimen/navigation_bubble_icon_size"
        android:layout_marginStart="@dimen/navigation_bubble_icon_leading_margin" />
    <TextView
        android:id="@+id/navigation_bubble_text"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:gravity="center"
        android:paddingStart="@dimen/navigation_bubble_horizontal_padding"
        android:paddingTop="@dimen/navigation_bubble_vertical_padding"
        android:paddingEnd="@dimen/navigation_bubble_horizontal_padding"
        android:paddingBottom="@dimen/navigation_bubble_vertical_padding"
        android:textAppearance="@style/TextAppearance.BlackTitle2"
        android:maxLines="1"
        android:ellipsize="end" />
</org.chromium.chrome.browser.gesturenav.NavigationBubble>