Localstorage across program runs seems impossible in the Mac

Reported by: Ray Wang https://github.com/winterlightning

The biggest problem I ran into developing in cocoa webkit is this: (I asked the first question)

http://stackoverflow.com/questions/8594822/how-do-you-set-localstorage-so-it-persist-across-program-runs
http://stackoverflow.com/questions/8198453/local-storage-in-webview-is-not-persistent

If someone has a proof of concept where localstorage actually works in cocoa webkit that would be great