ResourceError.isCancellation() is not carried over IPC (not serialized / deserialized). However, this is used by EFL port in UIProcess, for ewk_error.
Created attachment 167972 [details] Patch
Comment on attachment 167972 [details] Patch Clearing flags on attachment: 167972 Committed r130885: <http://trac.webkit.org/changeset/130885>
All reviewed patches have been landed. Closing bug.