Suggestion from a reply to my bug report (filed under security so it's non-public) points to a dupe of: https://code.google.com/p/chromium/issues/detail?id=472

Suggestion from a reply to my bug report (filed under security so it's non-public) points to a dupe of: https://code.google.com/p/chromium/issues/detail?id=472899 https://code.google.com/p/chromium/issues/detail?id=472899 and fixed in: https://chromium.googlesource.com/chromium/src/+/5922e15ca3d5c13d576e5d734c588852b509764d https://chromium.googlesource.com/chromium/src/+/5922e15ca3d... FWIW