This a Chrome port of the Legacy Firefix add-on https://web.archive.org/web/20181101225610/https://addons.mozilla.org/en-US/firefox/addon/element-locator-for-webdriv/
Currently only the core logic for the context menu is implemented.
https://chrome.google.com/webstore/detail/webdriver-element-locator/cjighmmbcdpbfnhinpakjloafcpmefgl