SonataUserBundle/Resources/config/form.xml

<?xml version="1.0" encoding="UTF-8" ?>
<container xmlns="http://symfony.com/schema/dic/services"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">

    <parameters>
        <parameter key="sonata.user.form.type.security_roles.class">Sonata\UserBundle\Form\Type\SecurityRolesType</parameter>
        <parameter key="sonata.user.profile.form.type.class">Sonata\UserBundle\Form\Type\ProfileType</parameter>
        <parameter key="sonata.user.profile.form.handler.default.class">Sonata\UserBundle\Form\Handler\ProfileFormHandler</parameter>
    </parameters>

    <services>
        <service id="sonata.user.form.type.security_roles" class="%sonata.user.form.type.security_roles.class%">
            <tag name="form.type" alias="sonata_security_roles" />

            <argument type="service" id="sonata.admin.pool" />
        </service>

        <!-- profile form -->
        <service id="sonata.user.profile.form" factory-method="createNamed" factory-service="form.factory" class="Symfony\Component\Form\Form">
            <argument>%sonata.user.profile.form.type%</argument>
            <argument>%sonata.user.profile.form.name%</argument>
            <argument />
            <argument type="collection">
                <argument key="validation_groups">%sonata.user.profile.form.validation_groups%</argument>
            </argument>
        </service>

        <service id="sonata.user.profile.form.type" class="%sonata.user.profile.form.type.class%">
            <argument>%fos_user.model.user.class%</argument>
            <tag name="form.type" alias="sonata_user_profile" />
        </service>

        <service id="sonata.user.profile.form.handler.default" class="%sonata.user.profile.form.handler.default.class%" scope="request" public="false">
            <argument type="service" id="sonata.user.profile.form" />
            <argument type="service" id="request" />
            <argument type="service" id="fos_user.user_manager" />
        </service>
    </services>

</container>