The command line argument --disable-print-preview works in the latest version of Chrome, I just tested it myself.
I am using Chrome 44.0.2403.107 (64-bit).
If you want to not only skip the print preview, but also the system print dialog, use the --kiosk-printing command line --kiosk-printing instead.
Make sure Chrome is completely turned off before you restart it, as it likes to chat in the background. You may need to restart your computer for it to work.
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