[Web Animations] Update all DocumentTimeline objects when updating animations
Created attachment 388835 [details] Patch
Comment on attachment 388835 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=388835&action=review > Source/WebCore/dom/Document.h:2042 > + Vector<WeakPtr<DocumentTimeline>> m_timelines; You might want to use WeakHashSet instead if ordering doesn't matter.
Committed r255141: <https://trac.webkit.org/changeset/255141>
<rdar://problem/58914325>