A newer version which automates the installation has been released here.

keydconfig

keyd configurations for Chromebook keyboards.

How do I install?

Thanks to WeirdTreeThing, you can now do this with a automated tool. You will need git if you don't already have it installed.

1. git clone https://github.com/WeirdTreeThing/cros-keyboard-map
   

2. cd cros-keyboard-map
   

3. ./install.sh
   

Thanks to rvaiya for creating keyd.