1 files changed, 2 insertions, 6 deletions
diff --git a/dom/performance/PerformanceTiming.cpp b/dom/performance/PerformanceTiming.cpp
index 97bbcb0ca..5f771f0aa 100755
--- a/dom/performance/PerformanceTiming.cpp
+++ b/dom/performance/PerformanceTiming.cpp
@@ -307,12 +307,8 @@ PerformanceTiming::SecureConnectionStartHighRes()
   if (!nsContentUtils::IsPerformanceTimingEnabled() || !IsInitialized()) {
     return mZeroTime;
   }
-
-  // Round down to the nearest 1ms
-  const double maxResolutionMs = 1;
-  return mSecureConnectionStart.IsNull()
-         ? mZeroTime
-         : floor(TimeStampToDOMHighRes(mSecureConnectionStart) / maxResolutionMs) * maxResolutionMs;
+  return mSecureConnectionStart.IsNull() ? mZeroTime
+                                         : TimerClamping::ReduceMsTimeValue(TimeStampToDOMHighRes(mSecureConnectionStart));
 }
 
 DOMTimeMilliSec