chrome/android/shell/res/values-v17/styles.xml

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright 2014 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.
-->

<resources>

    <style name="MainTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:windowActionBar">false</item>
        <item name="android:windowNoTitle">true</item>

        <!-- colorPrimary is used for the default action bar background -->
        <item name="colorPrimary">@color/material_deep_teal_200</item>

        <!-- colorPrimaryDark is used for the status bar -->
        <item name="colorPrimaryDark">@color/material_deep_teal_500</item>

        <!-- Default TintedImageButton tint -->
        <item name="tint">@color/dark_mode_tint</item>
    </style>

</resources>