save_translation_file_view.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <record id="module_form" model="ir.ui.view">
            <field name="name">ir.module.module.form</field>
            <field name="model">ir.module.module</field>
            <field name="inherit_id" ref="base.module_form"/>
            <field name="arch" type="xml">
                <button name="button_install_cancel" position="after">
                    <button name="button_save_translation"
                        string="Save translation file"
                        confirm="Overwrite all i18n files for this module ?"
                        type="object"
                        states="installed"
                        icon="terp-translate"
                    />
                </button>
            </field>
        </record>
        <record id="module_tree" model="ir.ui.view">
            <field name="name">ir.module.module.tree</field>
            <field name="model">ir.module.module</field>
            <field name="inherit_id" ref="base.module_tree"/>
            <field name="arch" type="xml">
                <field name="state" position="after">
                    <button name="button_save_translation"
                        string="Save translation file"
                        confirm="Overwrite all i18n files for this module ?"
                        type="object"
                        states="installed"
                        icon="terp-translate"
                    />
                </field>
            </field>
        </record>
    </data>
</openerp>