Bug 905793 - Send ImageUpdated() on the whole image in PostFrameStop. This may be an overkill in some cases, dirtying twice. r=seth
Bug 907072 - ES6 reftests should run with "default version", not JS 1.8.5. r=jorendorff
Bug 902729 - Add a new telemetry probe for session lifetimes. r=ttaubert