A recent example that I've been seeing more and more is pages taking over some system keyboard shortcuts. I've seen pages taking over Command-F and using their

A recent example that I've been seeing more and more is pages taking over some system keyboard shortcuts. I've seen pages taking over Command-F and using their own search interface instead of the browsers. I've found utilities for not messing with copy/paste, but is there a way to block pages with keyboard shortcuts in Chrome?