From a32b7f7c4e4e31669e0787e6321d74e4db71e514 Mon Sep 17 00:00:00 2001
From: Tom Ritter <tom@mozilla.com>
Date: Tue, 20 Feb 2018 12:18:30 -0600
Subject: Bug 1430173 - Reduce the precision of all explicit clocks to 2ms.
 r=baku, a=RyanVM

Backport to ESR where we don't have the ResistFingerprinting component.

MozReview-Commit-ID: 9bjycHjR3SF

--HG--
extra : transplant_source : %EA%03%21%0A%E9%3F%8E%CD%7C%D79f%96%85%96%00%5D%7F%95X
---
 dom/base/MultipartBlobImpl.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
 mode change 100644 => 100755 dom/base/MultipartBlobImpl.cpp

(limited to 'dom/base/MultipartBlobImpl.cpp')

diff --git a/dom/base/MultipartBlobImpl.cpp b/dom/base/MultipartBlobImpl.cpp
old mode 100644
new mode 100755
index ba26d07f9..03bb62add
--- a/dom/base/MultipartBlobImpl.cpp
+++ b/dom/base/MultipartBlobImpl.cpp
@@ -17,6 +17,7 @@
 #include "nsContentUtils.h"
 #include "nsIScriptError.h"
 #include "nsIXPConnect.h"
+#include "mozilla/TimerClamping.h"
 #include <algorithm>
 
 using namespace mozilla;
@@ -270,8 +271,7 @@ MultipartBlobImpl::SetLengthAndModifiedDate(ErrorResult& aRv)
     //   var x = new Date(); var f = new File(...);
     //   x.getTime() < f.dateModified.getTime()
     // could fail.
-    mLastModificationDate =
-      lastModifiedSet ? lastModified * PR_USEC_PER_MSEC : JS_Now();
+    mLastModificationDate = TimerClamping::ReduceUsTimeValue(lastModifiedSet ? lastModified * PR_USEC_PER_MSEC : JS_Now());
   }
 }
 
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