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

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2015 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.ToolbarControlContainer xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/control_container"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:minHeight="@dimen/custom_tabs_control_container_height" >
    <view
        class="org.chromium.chrome.browser.toolbar.ToolbarControlContainer$ToolbarViewResourceFrameLayout"
        android:id="@+id/toolbar_container"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <ViewStub
            android:id="@+id/toolbar_stub"
            android:layout_width="match_parent"
            android:layout_height="@dimen/custom_tabs_control_container_height" />
        <ImageView
            android:id="@+id/toolbar_shadow"
            android:src="@drawable/toolbar_shadow"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/custom_tabs_control_container_height"
            android:scaleType="fitXY"
            android:contentDescription="@null" />
        <ViewStub
            android:id="@+id/find_toolbar_stub"
            android:inflatedId="@+id/find_toolbar"
            android:visibility="gone"
            android:layout_marginTop="@dimen/tab_strip_height"
            android:layout_width="match_parent"
            android:layout_height="@dimen/custom_tabs_control_container_height"
            android:layout="@layout/find_toolbar" />
        <ViewStub
            android:id="@+id/find_toolbar_tablet_stub"
            android:inflatedId="@+id/find_toolbar"
            android:layout_width="@dimen/find_in_page_popup_width"
            android:layout_height="@dimen/find_in_page_popup_height"
            android:layout_marginEnd="@dimen/find_in_page_popup_margin_end"
            android:layout_gravity="end|top"
            android:layout="@layout/find_toolbar" />
    </view>
</org.chromium.chrome.browser.toolbar.ToolbarControlContainer>