Do not display download failure if canceled. Fixes #1362. r=vporof (#1384)
Do not display download failure if canceled. Fixes #1362. r=vporof (#1384)


jsantell/tofino,bgrins/tofino,bgrins/tofino,jsantell/tofino,victorporof/tofino,jsantell/tofino,mozilla/tofino,bgrins/tofino,mozilla/tofino,jsantell/tofino,victorporof/tofino,mozilla/tofino,bgrins/tofino,mozilla/tofino