Send rev hash to crash reports
Send rev hash to crash reports

Add rev. hash to the extra parameter send with crash reports.

Auditors: 552486fed9a9ff3f07aa28f460daa63ab433892d@alexwykoff

diasdavid/browser-laptop,timborden/browser-laptop,luixxiul/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop,timborden/browser-laptop,timborden/browser-laptop,diasdavid/browser-laptop,diasdavid/browser-laptop,timborden/browser-laptop,luixxiul/browser-laptop,luixxiul/browser-laptop