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/File.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 dom/base/File.cpp

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

diff --git a/dom/base/File.cpp b/dom/base/File.cpp
old mode 100644
new mode 100755
index 46b37b976..8602a3064
--- a/dom/base/File.cpp
+++ b/dom/base/File.cpp
@@ -29,6 +29,7 @@
 #include "nsStringStream.h"
 #include "nsJSUtils.h"
 #include "nsPrintfCString.h"
+#include "mozilla/TimerClamping.h"
 #include "mozilla/SHA1.h"
 #include "mozilla/CheckedInt.h"
 #include "mozilla/Preferences.h"
@@ -727,7 +728,7 @@ BlobImplBase::GetLastModified(ErrorResult& aRv)
     mLastModificationDate = PR_Now();
   }
 
-  return mLastModificationDate / PR_USEC_PER_MSEC;
+  return TimerClamping::ReduceUsTimeValue(mLastModificationDate) / PR_USEC_PER_MSEC;
 }
 
 void
-- 
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