chrome/browser/chromeos/printing/doc/README.md
This directory contains browser-side code for printing infrastructure in ChromeOS. This directory primarily contains code dealing with local printing via the Common Unix Printing System (CUPS).
(Paths are given from the git root):
chromeos/printing/ - ChromeOS CUPS printing code that doesn't have
dependencies that require it to live in chrome/browser.chrome/browser/ui/webui/settings/ash/ - ChromeOS printing settings
dialog backend supportchrome/browser/resources/settings/printing_page/ - Front end printer
settings code.chrome/browser/printing/ - Cloud print support, and common print dialog
support.chrome/browser/ash/printing/ - ChromeOS printing code that runs in
ash-chrome.