chrome/android/java/res/layout/ephemeral_tab_caption_view.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. -->

<!-- Ephemeral Tab caption view where we display 'Open in new tab'. Hidden in
     peeked state, and gets visible only when being expanded to maximized state. -->
<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/ephemeral_tab_caption_view"
    style="@style/ContextualSearchTextViewLayout" >
    <TextView
        android:id="@+id/ephemeral_tab_caption"
        style="@style/ContextualSearchCaptionTextView" />
</FrameLayout>