Edit menu right-click in Chrome?

Write your own little extension that will add the desired functionality.
\rhttps://developer.chrome.com/extensions/contextMenus

Standard edit menu, you can't, but you can catch the event of the contextmenu, cancel it using preventDefault and draw their own, here is an example. ignitersworld.com/lab/contextMenu.html

If it's just Chrome, then you can check this using the User Agent.

Or to take an extension like this and add what you need search.