WebEngine does not support printing QPrinter (regression from WebView)

The WebEngine system needs to have the ability to either directly support printing to a QPrinter object or the QPrinter object needs to support printing directly from a PDF file without going through a 3rd party library that converts each page to a bitmap (effectively printing photos). Chrome has always supported printing and there is no good reason to not have the same in Qt. The current design is unsupportable from a customer standpoint and is a step backwards for the user.