From 760416ddb7676175e839937c18e14172a406895c Mon Sep 17 00:00:00 2001
From: Cristina Coroiu <ccoroiu@mozilla.com>
Date: Wed, 18 Nov 2020 13:55:06 +0200
Subject: [PATCH] Backed out changeset f488d4345f75 (bug 1676852) on request by
 smaug

---
 layout/base/nsRefreshDriver.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/layout/base/nsRefreshDriver.cpp b/layout/base/nsRefreshDriver.cpp
index fe3c4765a5b1..1115649db2bd 100644
--- a/layout/base/nsRefreshDriver.cpp
+++ b/layout/base/nsRefreshDriver.cpp
@@ -639,8 +639,6 @@ class VsyncRefreshDriverTimer : public RefreshDriverTimer {
                 NS_DispatchToCurrentThreadQueue(vsyncEvent.forget(), slowRate,
                                                 EventQueuePriority::Idle);
               }
-              // Pretend that RefreshDriver did run on time.
-              mVsyncRefreshDriverTimer->mLastFireTime = TimeStamp::Now();
               return;
             }
           }