Bug 793735 - Add functionality to create TimeStamp instances representing the process creation time, r=froydnj
Bug 793735 - Make StartupTimeline use TimeStamp instead of PRTime and adjust nsAppStartup to cope with it, r=froydnj
Bug 793735 - Make XRE_StartupTimelineRecord() generate TimeStamps and modify its callers to use the appropriate timers, r=froydnj