chrome/android/features/keyboard_accessory/internal/java/res/layout/keyboard_accessory_modern.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.keyboard_accessory.bar_component.KeyboardAccessoryModernView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/keyboard_accessory"
    android:layout_gravity="start|bottom"
    android:contentDescription="@string/autofill_keyboard_accessory_content_description"
    android:scrollbars="none"
    android:visibility="gone"
    android:orientation="vertical"
    android:layout_height="@dimen/keyboard_accessory_height_with_shadow"
    android:layout_width="match_parent"
    android:paddingEnd="0dp"
    android:clickable="true"
    android:focusable="true">

    <ImageView
        android:id="@+id/accessory_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" />

    <LinearLayout
        android:id="@+id/accessory_bar_contents"
        android:layout_width="match_parent"
        android:minHeight="@dimen/keyboard_accessory_bar_item_height"
        android:layout_height="wrap_content"
        android:layout_gravity="start|bottom"
        android:orientation="horizontal"
        android:background="@color/modern_primary_color">

        <ImageView
            android:id="@+id/show_keyboard"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:paddingStart="@dimen/keyboard_accessory_bar_item_padding"
            android:paddingEnd="@dimen/keyboard_accessory_bar_item_padding"
            android:paddingTop="@dimen/keyboard_accessory_image_top_padding"
            android:paddingBottom="@dimen/keyboard_accessory_image_top_padding"
            android:contentDescription="@string/keyboard_accessory_sheet_hide"
            android:background="?attr/selectableItemBackground"
            android:visibility="gone" />

        <TextView
            android:id="@+id/sheet_title"
            android:minHeight="48dp"
            android:gravity="center_vertical|start"
            android:textAppearance="@style/TextAppearance.BlackTitle1"
            android:layout_height="wrap_content"
            android:layout_width="match_parent"
            android:background="?android:attr/selectableItemBackground"
            android:visibility="gone"/>

        <android.support.v7.widget.RecyclerView
            android:id="@+id/bar_items_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:requiresFadingEdge="horizontal"
            android:fadingEdgeLength="@dimen/keyboard_accessory_scroll_shadow_width"
            android:clipToPadding="false"/>

    </LinearLayout>

</org.chromium.chrome.browser.keyboard_accessory.bar_component.KeyboardAccessoryModernView>