just ugh...patch coming. This should block because anyone using the storage async API getting strings or blobs back is going to leak the string buffer or the nsTArray_base for the blob.
Created attachment 366687 [details] [diff] [review] v1.0 bent made this patch on my machine. r=me
http://hg.mozilla.org/releases/mozilla-1.9.1/rev/01d8fa7182b0 test will be added with bug 481227