`nsIMIMEService.getMIMEInfoFromOS` is broken after landing bug 1694481. This method is still used by File API to detect MIME type from file extensions. Differential Revision: https://phabricator.services.mozilla.com/D237516
`nsIMIMEService.getMIMEInfoFromOS` is broken after landing bug 1694481. This method is still used by File API to detect MIME type from file extensions. Differential Revision: https://phabricator.services.mozilla.com/D237516