Bug 1011354 - Use a mutex to guard access to nsHttpTransaction::mConnection. r=mcmanus, r=honzab, a=2.0+

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extra : rebase_source : f0dbac1b6c196ace7d065f4353e21710e315c03d
Bug 1064346 - JSFunction's extended attributes expect POD-style initialization. r=billm, a=2.0+

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extra : rebase_source : 39981497bee21d6e3b5bf4af295a785960804d06