From 403c0b870870b5d1fbf3b8d66378c0f1da614604 Mon Sep 17 00:00:00 2001
From: Brian Birtles <birtles@gmail.com>
Date: Fri, 22 Mar 2019 12:10:37 +0100
Subject: Check child container count in NotifyRefreshDriverCreated.

---
 dom/smil/nsSMILAnimationController.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'dom/smil/nsSMILAnimationController.cpp')

diff --git a/dom/smil/nsSMILAnimationController.cpp b/dom/smil/nsSMILAnimationController.cpp
index 0dd616346..69956203e 100644
--- a/dom/smil/nsSMILAnimationController.cpp
+++ b/dom/smil/nsSMILAnimationController.cpp
@@ -233,7 +233,7 @@ void
 nsSMILAnimationController::NotifyRefreshDriverCreated(
     nsRefreshDriver* aRefreshDriver)
 {
-  if (!mPauseState) {
+  if (!mPauseState && mChildContainerTable.Count()) {
     MaybeStartSampling(aRefreshDriver);
   }
 }
-- 
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