Web Animations: Remove WebAnimations runtime feature in favor of WebAnimationsCSS

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 44607a2062d30b9837f2081dd7e91cb0f5ead49c..a2b2e70ca6193c9ad08833d680847bb09f8cbf07 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -1067,7 +1067,7 @@ void Document::setReadyState(ReadyState readyState)
     case Loading:
         if (!m_documentTiming.domLoading) {
             m_documentTiming.domLoading = monotonicallyIncreasingTime();
-            if (RuntimeEnabledFeatures::webAnimationsEnabled())
+            if (RuntimeEnabledFeatures::webAnimationsCSSEnabled())
                 m_timeline->setZeroTime(m_documentTiming.domLoading);
         }
         break;