<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension
         point="org.csstudio.opibuilder.widget">
      <widget
            category="Monitors"
            description="Display a Data Browser 3 configuration"
            editpart_class="org.csstudio.trends.databrowser3.opiwidget.DataBrowserWidgedEditPart"
            icon="icons/databrowser.png"
            model_class="org.csstudio.trends.databrowser3.opiwidget.DataBrowserWidgedModel"
            name="Data Browser 3"
            typeId="org.csstudio.trends.databrowser3.opiwidget">
      </widget>
   </extension>

</plugin>

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension
         point="org.csstudio.opibuilder.widget">
      <widget
            category="Monitors"
            description="Display a Data Browser configuration"
            editpart_class="org.csstudio.trends.databrowser3.opiwidget.DataBrowserWidgedEditPart"
            icon="icons/databrowser.png"
            model_class="org.csstudio.trends.databrowser3.opiwidget.DataBrowserWidgedModel"
            name="Data Browser"
            typeId="org.csstudio.trends.databrowser.opiwidget">
      </widget>
   </extension>

</plugin>

Use same opiwidget ID as original
Databrowser: Use same opiwidget ID as original