Please see my other post:
http://www.chromeplugins.org/google/...atcher-74.html

Basically, I have released a program to quickly and automatically fix the "cannot scroll up using certain touch pads" issue for Google Chrome (until Chrome is fixed officially).

You can digg it at http://digg.com/software/Google_Chrome_68

and direct link: http://users.ecs.soton.ac.uk/pjt2v07/chrome/