Well...there is a way to connect it via the analog inputs to the 2150 from the headphone output of the Chromebook. You would have to play around with the two volume controls to get them to give you the best sound but it can be done. The USB output of the Chromebook should be able to input into the USB input on the 2150 with no problem. You may need to install an app on the Chromebook for a music player and tell it to output to the USB out.
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Music system
Model 990/7500/Magnepan 1.6 QRs/Technics SL1200 MK2/Aperion S-12 Subwoofer/OWA3/Sony NS75H DVD
APC H15 Power Conditioner

TV System
Large Advent Loudspeakers/ Polk center/Monoprice surrounds/Panasonic Viera 42 inch/Onkyo HT-RC260/Sony BDP S590/Directv


Home Theater System
Onkyo PR-SC886/Outlaw 7125 Klipsch RF-82 L/R,RC-62 center, RB-35 SR/SL, BENQ HT1075, Outlaw LFM1-EX/OPPO BDP-83/Directv
Harmony ONE
Blue Jeans and Monoprice interconnects
APC H15 Power Conditioner