chrome/android/java/res/color/default_button_tint.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.
-->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_selected="true" android:color="@color/default_active_button_color" />
    <item android:state_focused="true" android:color="@color/default_active_button_color" />
    <item android:state_pressed="true" android:color="@color/default_active_button_color" />
    <item android:state_enabled="false" android:color="#335a5a5a" />
    <item android:color="@color/default_normal_button_color"/>
</selector>