Example change relative to upstream

Upstreamed from https://bugzilla.mozilla.org/show_bug.cgi?id=1102907
Merge pull request #21 from jgraham/sync_7b41c0af1b63890917792ec9f4c74df083783547

Merge pull request #21 from sync_7b41c0af1b63890917792ec9f4c74df083783547