chrome/android/java/res/layout/bottom_toolbar_browsing.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.bottom.ScrollingBottomViewResourceFrameLayout
    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_control_container"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:minHeight="@dimen/bottom_toolbar_height" >

    <ImageView
        android:id="@+id/bottom_toolbar_top_shadow"
        android:layout_width="match_parent"
        android:layout_height="@dimen/toolbar_shadow_height"
        android:src="@drawable/modern_toolbar_shadow"
        android:scaleType="fitXY"
        android:scaleY="-1"
        tools:ignore="ContentDescription" />

    <org.chromium.chrome.browser.widget.bottomsheet.TouchRestrictingFrameLayout
        android:id="@+id/bottom_toolbar_container"
        android:layout_width="match_parent"
        android:layout_height="@dimen/bottom_toolbar_height"
        android:layout_marginTop="@dimen/toolbar_shadow_height" >

        <LinearLayout
            android:id="@+id/bottom_toolbar_buttons"
            android:orientation="horizontal"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/modern_primary_color"
            android:layout_gravity="top|center_horizontal"
            android:paddingStart="@dimen/bottom_toolbar_start_padding"
            android:paddingEnd="@dimen/bottom_toolbar_end_padding" >

            <org.chromium.chrome.browser.toolbar.HomeButton
                android:id="@+id/home_button"
                app:tint="@color/dark_mode_tint"
                style="@style/BottomToolbarButton"
                android:contentDescription="@string/accessibility_toolbar_btn_home" />

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

            <org.chromium.chrome.browser.toolbar.bottom.ShareButton
                android:id="@+id/share_button"
                style="@style/BottomToolbarButton"
                android:src="@drawable/ic_share_white_24dp"
                app:tint="@color/dark_mode_tint"
                android:contentDescription="@string/share" />

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

            <org.chromium.chrome.browser.toolbar.bottom.SearchAccelerator
                android:id="@+id/search_accelerator"
                android:layout_width="@dimen/search_accelerator_width"
                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:src="@drawable/ic_search"
                android:contentDescription="@string/accessibility_toolbar_btn_search_accelerator" />

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

            <org.chromium.chrome.browser.toolbar.TabSwitcherButtonView
                android:id="@+id/tab_switcher_button"
                style="@style/BottomToolbarButton"
                android:contentDescription="@string/accessibility_toolbar_btn_tabswitcher_toggle_default" />

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

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

        </LinearLayout>

    </org.chromium.chrome.browser.widget.bottomsheet.TouchRestrictingFrameLayout>

</org.chromium.chrome.browser.toolbar.bottom.ScrollingBottomViewResourceFrameLayout>