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
This commit is contained in:
Tom Ritter 2018-02-20 12:18:30 -06:00 committed by Roy Tam
commit c66f2e1613
14 changed files with 109 additions and 33 deletions

4
dom/base/MultipartBlobImpl.cpp Normal file → Executable file
View file

@ -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());
}
}