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

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/bottom_toolbar_tab_switcher"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:visibility="gone"
    android:clickable="true" >

    <FrameLayout
        android:id="@+id/bottom_toolbar_buttons"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/modern_primary_color" >
        <LinearLayout
            android:orientation="horizontal"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:paddingStart="@dimen/bottom_toolbar_padding"
            android:paddingEnd="@dimen/bottom_toolbar_padding" >

            <org.chromium.chrome.browser.toolbar.bottom.CloseAllTabsButton
                android:id="@+id/close_all_tabs_button"
                style="@style/BottomToolbarButtonWrapper"
                android:src="@drawable/ic_close_all_tabs"
                android:contentDescription="@string/accessibility_toolbar_btn_close_all_tabs"
                app:tint="@color/standard_mode_tint" />

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

            <LinearLayout
                android:layout_width="72dp"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:id="@+id/new_tab_button_wrapper"
                android:background="?attr/selectableItemBackground"
                android:layout_gravity="top"
                android:layout_marginTop="6dp" >

                <org.chromium.chrome.browser.toolbar.bottom.BottomToolbarNewTabButton
                    android:id="@+id/tab_switcher_new_tab_button"
                    android:layout_width="@dimen/search_accelerator_height"
                    android:layout_height="@dimen/search_accelerator_height"
                    android:layout_gravity="center"
                    android:paddingTop="@dimen/search_accelerator_height_padding"
                    android:paddingBottom="@dimen/search_accelerator_height_padding"
                    android:clickable="false"
                    android:contentDescription="@string/accessibility_toolbar_btn_new_tab" />

                <TextView
                    android:id="@+id/new_tab_button_label"
                    style="@style/BottomToolbarLabel"
                    android:paddingTop="0dp"
                    android:text="@string/accessibility_toolbar_btn_new_tab" />

            </LinearLayout>

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

            <LinearLayout
                android:id="@+id/labeled_menu_button_wrapper"
                style="@style/BottomToolbarButtonWrapper" >

                <include layout="@layout/bottom_toolbar_menu_button"
                    style="@style/BottomToolbarButton" />

                <TextView
                    android:id="@+id/menu_button_label"
                    style="@style/BottomToolbarLabel"
                    android:text="@string/more" />

            </LinearLayout>

        </LinearLayout>
    </FrameLayout>

    <ImageView
        android:id="@+id/bottom_toolbar_bottom_shadow"
        android:layout_width="match_parent"
        android:layout_height="@dimen/toolbar_shadow_height"
        android:src="@drawable/modern_toolbar_shadow"
        android:scaleType="fitXY"
        android:visibility="gone"
        tools:ignore="ContentDescription" />

</LinearLayout>