Web Animations API: Ensure timing is updated if a RAF callback makes a player outdated.

Source/core/animation/DocumentAnimations.cpp

Index: Source/core/animation/DocumentAnimations.cpp
diff --git a/Source/core/animation/DocumentAnimations.cpp b/Source/core/animation/DocumentAnimations.cpp
index 86f9286295180e76595581b4ce58bb73698c1cfa..ac67bc881e8119f49b83aa0896b648494b643b80 100644
--- a/Source/core/animation/DocumentAnimations.cpp
+++ b/Source/core/animation/DocumentAnimations.cpp
@@ -60,6 +60,13 @@ void DocumentAnimations::updateAnimationTimingForAnimationFrame(Document& docume
     updateAnimationTiming(document);
 }
 
+void DocumentAnimations::updateOutdatedAnimationPlayersAfterFrameCallbacks(Document& document)
+{
+    if (document.timeline().hasOutdatedAnimationPlayer()) {
+        updateAnimationTiming(document);
+    }
+}
+
 void DocumentAnimations::updateAnimationTimingForGetComputedStyle(Node& node, CSSPropertyID property)
 {
     if (!node.isElementNode())