odoo/addons/share/res_users_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="res_users_search_sharing">
            <field name="name">res.users.search.share</field>
            <field name="model">res.users</field>
            <field name="type">search</field>
            <field name="inherit_id" ref="base.view_users_search"/>
            <field name="arch" type="xml">
                <xpath expr="/search/field[@name='company_ids']" position="after">
                    <field name="share">
                        <filter name="no_share" string="Regular users only (no share user)" icon="terp-partner"
                            domain="[('share','=',False)]"/>
                    </field>
                </xpath>
            </field>
        </record>

        <record model="ir.actions.act_window" id="base.action_res_users">
            <field name="name">Users</field>
            <field name="context">{'search_default_no_share': 1}</field>
        </record>

        <record model="ir.ui.view" id="res_groups_search_sharing">
            <field name="name">res.groups.search.share</field>
            <field name="model">res.groups</field>
            <field name="type">search</field>
            <field name="priority" eval="8"/>
            <field name="arch" type="xml">
                <search string="Groups">
                    <field name="name"/>
                    <field name="share">
                        <filter name="no_share" string="Regular groups only (no share groups" icon="terp-partner"
                            domain="[('share','=',False)]"/>
                    </field>
                </search>
            </field>
        </record>

        <record model="ir.actions.act_window" id="base.action_res_groups">
            <field name="name">Groups</field>
            <field name="context">{'search_default_no_share': 1}</field>
        </record>

    </data>
</openerp>