Web Animations API: Refactor IDL input conversion out of Animation

Source/core/animation/ElementAnimation.h

Index: Source/core/animation/ElementAnimation.h
diff --git a/Source/core/animation/ElementAnimation.h b/Source/core/animation/ElementAnimation.h
index a27a0f34f453880028b8c8a2a8b968438f7bfa9c..549d6c9a8e1c6a2aeb089117fd3182c16cd51764 100644
--- a/Source/core/animation/ElementAnimation.h
+++ b/Source/core/animation/ElementAnimation.h
@@ -31,19 +31,23 @@
 #ifndef ElementAnimation_h
 #define ElementAnimation_h
 
-#include "wtf/Vector.h"
+#include "RuntimeEnabledFeatures.h"
+#include "core/animation/Animation.h"
+#include "core/animation/DocumentTimeline.h"
+#include "core/animation/Timing.h"
 
 namespace WebCore {
 
-class Animation;
-class Dictionary;
-class Element;
-
 class ElementAnimation {
 public:
-    static Animation* animate(Element&, Vector<Dictionary> keyframesDictionaryVector, Dictionary timingInput);
-    static Animation* animate(Element&, Vector<Dictionary> keyframesDictionaryVector, double timingInput);
-    static Animation* animate(Element&, Vector<Dictionary> keyframesDictionaryVector);
+    template<typename E, typename T = double>
+    static Animation* animate(Element& element, E effect, T timing = Timing::initialIterationDuration())
+    {
+        ASSERT(RuntimeEnabledFeatures::webAnimationsAPIEnabled());
+        RefPtr<Animation> animation = Animation::create(&element, effect, timing);
+        element.document().timeline().play(animation.get());
+        return animation.get();
+    }
 };
 
 } // namespace WebCore