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

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2018 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.toolbar.top.TabSwitcherModeTTPhone
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/tab_switcher_toolbar"
    android:layout_width="match_parent"
    android:layout_height="@dimen/toolbar_height_no_shadow" >

    <org.chromium.chrome.browser.toolbar.NewTabButton
        android:id="@+id/new_tab_button"
        style="@style/ToolbarButton"
        android:layout_width="wrap_content"
        android:layout_gravity="start|top"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        android:contentDescription="@string/accessibility_toolbar_btn_new_tab" />

    <ViewStub
        android:id="@+id/incognito_tabs_stub"
        android:inflatedId="@+id/incognito_toggle_tabs"
        android:layout="@layout/incognito_toggle_tabs"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_gravity="center" />

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="top|end" >

        <!-- TODO(crbug.com/912358): Enable touch highlight on this button. -->
        <org.chromium.chrome.browser.toolbar.top.ToggleTabStackButton
            android:id="@+id/tab_switcher_mode_tab_switcher_button"
            style="@style/ToolbarButton"
            android:background="@android:color/transparent"
            android:paddingStart="8dp"
            android:layout_gravity="top"
            android:contentDescription="@string/accessibility_toolbar_btn_tabswitcher_toggle_default" />

        <include layout="@layout/menu_button" />

    </LinearLayout>

</org.chromium.chrome.browser.toolbar.top.TabSwitcherModeTTPhone>