It's not free to add a configuration of this class to the advanced configurations; items in that list must be tested, maintained in future versions, etc. The k

It's not free to add a configuration of this class to the advanced configurations; items in that list must be tested, maintained in future versions, etc. The kind of people who are willing to go to the Advanced Configuration Settings page are also willing to tweak their keyboard mappings to map any modifier key they want to to the "go back in history" accelerator for Chrome.