Notes:

"A text editor for Chrome OS and Chrome.

Text.app is a simple text editor for Chrome OS and Chrome. It's fast, lets you open multiple files at once, has syntax highlighting, and saves to Google Drive on Chrome OS." - Chrome Web Store

extension link: https://chrome.google.com/webstore/detail/text/mmfbcljfglbokpmkimbfghdkjmjhdgbg/related?hl=en