web/web_shortcuts/view/web_shortcuts.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <!-- Include JS file for the custom view to select domain from filters -->
        <template id="assets_backend" name="filter_selection" inherit_id="web.assets_backend">
            <xpath expr="." position="inside">
                <link rel="stylesheet" href="/web_shortcuts/static/src/css/web_shortcuts.css"/>
                <script type="text/javascript" src="/web_shortcuts/static/src/js/web_shortcuts.js"></script>
            </xpath>
        </template>
    </data>
</openerp>