From 685ae236c8f4fec1b399cf050c3707b8c4288401 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Tue, 15 May 2018 14:06:42 +0200
Subject: [PATCH] Use a temporary in Animation::Tick()

---
 dom/animation/Animation.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dom/animation/Animation.cpp b/dom/animation/Animation.cpp
index bd318f79e3..f4d29376c4 100644
--- a/dom/animation/Animation.cpp
+++ b/dom/animation/Animation.cpp
@@ -589,8 +589,10 @@ Animation::Tick()
     // during the *previous* tick of the refresh driver, it can still be
     // ahead of the *current* timeline time when we are using the
     // vsync timer so we need to clamp it to the timeline time.
-    mPendingReadyTime.SetValue(std::min(mTimeline->GetCurrentTime().Value(),
-                                        mPendingReadyTime.Value()));
+    TimeDuration currentTime = mTimeline->GetCurrentTime().Value();
+    if (currentTime < mPendingReadyTime.Value()) {
+      mPendingReadyTime.SetValue(currentTime);
+    }
     FinishPendingAt(mPendingReadyTime.Value());
     mPendingReadyTime.SetNull();
   }