Web Animations: Remove legacy animations engine.

Source/core/dom/Element.cpp

Index: Source/core/dom/Element.cpp
diff --git a/Source/core/dom/Element.cpp b/Source/core/dom/Element.cpp
index 50052fd58801f03b8f85fae1744a941013f72c37..b221fc069dcca9b030c6c04a5a03f6672c3a5a22 100644
--- a/Source/core/dom/Element.cpp
+++ b/Source/core/dom/Element.cpp
@@ -1618,7 +1618,7 @@ StyleRecalcChange Element::recalcOwnStyle(StyleRecalcChange change)
 
     if (RenderObject* renderer = this->renderer()) {
         if (localChange != NoChange || pseudoStyleCacheIsInvalid(oldStyle.get(), newStyle.get()) || shouldNotifyRendererWithIdenticalStyles()) {
-            renderer->setAnimatableStyle(newStyle.get());
+            renderer->setStyle(newStyle.get());
         } else {
             // Although no change occurred, we use the new style so that the cousin style sharing code won't get
             // fooled into believing this style is the same.