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

3
dom/base/File.cpp Normal file → Executable file
View file

@ -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