Code review comment for lp://staging/~aacid/compiz/do_not_change_viewport_on_resize

I have done limited manual testing and it works as I would expect it to work, but that is of course not much :D

As for unit testing if you give me some instructions as of how you'd like this unit tested i can give it a try.

Otherwise we can try to merge it to a R-only branch and let very early adopters do the testing?