Tools Menu

Hi guys,

Does anyone knows where is the code for the "Tools" drop down menu because I would like to add additional link to the dropdown list showing when you position the mouse arrow over the "Tools" link.

Is it in   views\default\page_elements\elgg_topbar.php? But I didnt found any HTML code that creates the drop down list like <ul><li></li>...<li></li></ul>?