chrome/android/java/res/layout/bottom_tab_grid_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.tasks.tab_management.TabGroupUiToolbarView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/modern_primary_color">
    <LinearLayout
        android:id="@+id/main_content"
        android:layout_width="match_parent"
        android:layout_height="@dimen/bottom_sheet_peek_height"
        android:orientation="horizontal"
        android:gravity="center_vertical">
        <org.chromium.ui.widget.ChromeImageView
            android:id="@+id/toolbar_left_button"
            style="@style/BottomToolbarButton"
            android:src="@drawable/ic_expand_more_black_24dp"
            app:tint="@color/standard_mode_tint"
            android:contentDescription="@string/accessibility_bottom_tab_grid_close_tab_sheet" />
         <TextView
             android:id="@+id/title"
             android:layout_height="wrap_content"
             android:layout_width="0dp"
             android:layout_weight="1"
             android:singleLine="true"
             android:ellipsize="end"
             android:textAppearance="@style/TextAppearance.BlackTitle1"
             android:gravity="center"/>
        <org.chromium.ui.widget.ChromeImageView
            android:id="@+id/toolbar_right_button"
            style="@style/BottomToolbarButton"
            android:src="@drawable/plus"
            app:tint="@color/standard_mode_tint"
            android:contentDescription="@string/bottom_tab_grid_new_tab" />
   </LinearLayout>
</org.chromium.chrome.browser.tasks.tab_management.TabGroupUiToolbarView>