Choose “Clear browsing data” to empty the caches, history, and web data from the period of time chosen (again, pick “the beginning of time” to delete all data from Chrome).Content licenses – usually for multimedia.Hosted app data – browser based apps local data and preferences.Autofill form data – any information chosen to keep in autofill, typically addresses.Passwords – any stored logins, usernames, authentication details.Cached images and files – the locally stored cache files and media from web pages visited in Chrome (more on the exact locations of this data in a moment).Cookies and other site and plugin data – cookies may include customizations and preferences for specific web pages, as well as usage data.
The simplest way to empty Chrome browser caches and web data is through the built-in clearing mechanism, this is easily accessible and customizable within the Chrome browsers on the Mac: How to Clear Chrome Cache, Browsing History, & Web Data from Google Chrome in Mac OS X