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-rwxr-xr-xdom/events/Event.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/dom/events/Event.cpp b/dom/events/Event.cpp
index 7e19cd74d..4e39675da 100755
--- a/dom/events/Event.cpp
+++ b/dom/events/Event.cpp
@@ -1146,15 +1146,14 @@ Event::TimeStampImpl() const
return perf->GetDOMTiming()->TimeStampToDOMHighRes(mEvent->mTimeStamp);
}
- // For dedicated workers, we should make times relative to the navigation
- // start of the document that created the worker, which is the same as the
- // timebase for performance.now().
+ // For dedicated workers, we should make times relative to the creation time
+ // of the worker, which is the same as the timebase for performance.now().
workers::WorkerPrivate* workerPrivate =
workers::GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
TimeDuration duration =
- mEvent->mTimeStamp - workerPrivate->NowBaseTimeStamp();
+ mEvent->mTimeStamp - workerPrivate->CreationTimeStamp();
return duration.ToMilliseconds();
}