Maybe you've already seen this video of the guy opening the box of the 812 as if it were his new inflatable doll. Almost 11 minutes to unpack a pair of headphones I'm afraid there's going to be a tide of fanboys raving for the thing like flies going to the honey.
http://youtu.be/BwN6UDZIupQ
I think I changed some setting right after upgrading to Mavericks, so if using the goto instruction, I can see it from Finder directly. It's hidden on normal Finder use. Glad you solved your trouble
The files you're looking for should be at ~/Library/Application Support/Google/Chrome. You can write that path in the box that opens in Finder by typing cmd+shift+G. I don't know exactly what file are you looking for, but probably restoring the whole folder would work.
I'd try contacting Craig at Kuboten to see if he can get it directly in Japan. I haven't contacted him in ages, but his website is still up. If he can't or he doesn't carry this business anymore, then my second try would be contacting the people in UK at HEWorkshop. They repaired my 717 and a friend's 007. Maybe they can source the parts.
This. Open the thing, put the grains into a pot, add fruit juice of your liking, maybe some booze and sugar to taste. If possible, when pulling off the grains, don't touch the fruit innards or you hands will get a black stain for some time.