CurlDownload tries to start downloading job twice for same Curl Handle, but callback is called for each handle. RefCount become wrong after complete.
Created attachment 315494 [details] FIX WebDownload calls start() from init(), but start() should be called from the owner of WebDownload.
Comment on attachment 315494 [details] FIX Clearing flags on attachment: 315494 Committed r219532: <http://trac.webkit.org/changeset/219532>
All reviewed patches have been landed. Closing bug.