She's known for being able to break the fourth wall (unlike the other ponies in FiM) and doing other "impossible" things, which I'm figuring the hacker may have connected to breaking out of a sandbox.
You may also want to see: https://secure.wikimedia.org/wikipedia/en/wiki/My_Little_Pon...
He guessed "some predictable addresses allocated by Windows" though. Not detracting from the achievement, but this could arguably be stashed in the non-Chrome side of things.
According to Wikipedia, Windows provides one of the best ASLR on the market. I'm not sure why you are singling out Windows as a weak point here.
Windows has for a long time been the prime target of most exploits, and thus have spent considerable effort, on OS-level, to prevent the potential damage. OS X for instance, has almost none of the OS-level security features found in Windows and is a much easier target to exploit.
http://en.wikipedia.org/wiki/Address_space_layout_randomizat...
I ask, as wish to know at a high level what tools and code they are using to find and exploit Chrome.
