chrome/android/java/res/drawable/tile_view_highlight.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.
-->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true" android:drawable="@drawable/tile_view_highlight_plain" />
</selector>