From d7d79119ec267ad8bed18b28f9ba0f96f3b6cc16 Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Thu, 1 Mar 2018 21:17:42 +0100
Subject: Rounding to 1ms

---
 dom/performance/PerformanceTiming.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'dom')

diff --git a/dom/performance/PerformanceTiming.cpp b/dom/performance/PerformanceTiming.cpp
index 4428f81c2..32ddea823 100644
--- a/dom/performance/PerformanceTiming.cpp
+++ b/dom/performance/PerformanceTiming.cpp
@@ -307,8 +307,10 @@ PerformanceTiming::SecureConnectionStartHighRes()
   if (!nsContentUtils::IsPerformanceTimingEnabled() || !IsInitialized()) {
     return mZeroTime;
   }
-  return mSecureConnectionStart.IsNull() ? mZeroTime
-                                         : TimeStampToDOMHighRes(mSecureConnectionStart);
+  // Rounding to 1ms
+  return mSecureConnectionStart.IsNull()
+         ? mZeroTime
+         : floor(TimeStampToDOMHighRes(mSecureConnectionStart) / 1) * 1;
 }
 
 DOMTimeMilliSec
-- 
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