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 e0581b926538629a8344d2941c76cebdef5caf31..45ea0615a0e48fa6ef156f01e5129aab187ca11d 100644
--- a/Source/core/dom/Element.cpp
+++ b/Source/core/dom/Element.cpp
@@ -1631,7 +1631,7 @@ 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.