I don't touch Chrome, so I have no experience with it, but there is an extension for that browser called WikiTreeX that "enables you to create and edit WikiTree profiles using data from other genealogy websites" (https://www.wikitree.com/wiki/Help:WikiTree_X
Also, while it's not an import per se, there is a tool for linking WT and FS profiles. Easiest way to find it is to go to your Watchlist; it's toward the middle of the top bar of tools/links ("FS Matches"). There's an element of chicken-and-egg, in that the tool will not find matches if there isn't enough information entered on WT, but once there is a link, there's an "update WikiTree" button that will allow you to bring over any new information from the FamilySearch profile.
(There is a way to manually create a link between profiles, for those inexplicable cases where the matching algorithm fails to recognize someone; I don't know if/where there's a link to it anywhere else, but it's on the Help page that you get by clicking the tiny blue question mark on the main matches tool's page.)