multi_store_stock/views/stock_view.xml

<?xml version="1.0"?>
<openerp>
    <data>

        <!-- Warehouse Form -->
        <record id="view_warehouse" model="ir.ui.view">
            <field name="name">stock.warehouse.form</field>
            <field name="model">stock.warehouse</field>
            <field name="inherit_id" ref="stock.view_warehouse"/>
            <field name="arch" type="xml">
                <field name="company_id" position="after">
                    <field name="store_id" groups="multi_store.group_multi_store" string="Sucursal"/>
                </field>                
            </field>
        </record>

        <!-- Location Form -->
        <record id="view_location" model="ir.ui.view">
            <field name="name">stock.location.form</field>
            <field name="model">stock.location</field>
            <field name="inherit_id" ref="stock.view_location_form"/>
            <field name="arch" type="xml">
                <field name="company_id" position="after">
                    <field name="store_id" groups="multi_store.group_multi_store" string="Sucursal"/>
                </field>                
            </field>
        </record>

        <!-- New Warehouse Search -->
        <record id="view_stock_warehouse_search" model="ir.ui.view">
            <field name="name">stock.warehouse.search</field>
            <field name="model">stock.warehouse</field>
            <field name="arch" type="xml">
                <search string="Search Stock_Warehouse">
                    <field name="store_id" groups="multi_store.group_multi_store"/>
                </search>
            </field>
        </record>

        <!-- Picking Type Search -->
        <record id="view_pickingtype_filter" model="ir.ui.view">
            <field name="name">stock.picking.type.filter</field>
            <field name="model">stock.picking.type</field>
            <field name="inherit_id" ref="stock.view_pickingtype_filter"/>
            <field name="arch" type="xml">
                <field name="warehouse_id" position="after">
                    <field name="store_id" groups="multi_store.group_multi_store"/>
                </field>
            </field>
        </record>

        <!-- Picking Internal (son las 3 iguales) Search -->
        <record id="view_picking_internal_search" model="ir.ui.view">
            <field name="name">stock.picking.internal.search</field>
            <field name="model">stock.picking</field>
            <field name="inherit_id" ref="stock.view_picking_internal_search"/>
            <field name="arch" type="xml">
                <field name="picking_type_id" position="after">
                    <field name="store_id" groups="multi_store.group_multi_store"/>
                </field>
                <group>
                    <filter string="Store" context="{'group_by':'store_id'}" groups="multi_store.group_multi_store"/>
                </group>
            </field>
        </record>
        
    </data>
</openerp>