Each time you quit there are 5 false positive leaks of StructureIDs due to not tearing down the common JSGlobalData used in WebCore.
Created attachment 24323 [details] patch
Comment on attachment 24323 [details] patch r=me
Comment on attachment 24323 [details] patch "JSGlolalData"
Comment on attachment 24323 [details] patch Clearing review flag. I have a better version.
Created attachment 24327 [details] updated patch This was reviewed by Mitz.
Fixed in r37563.