Web Animations API: Refactor IDL input conversion out of Animation

Source/core/animation/Animation.cpp

Index: Source/core/animation/Animation.cpp
diff --git a/Source/core/animation/Animation.cpp b/Source/core/animation/Animation.cpp
index f77e9f63c8fd9f64bb8adc920520b279b3f28b65..3ca19aab256bf23eff2fc88b3aefab902ea548f4 100644
--- a/Source/core/animation/Animation.cpp
+++ b/Source/core/animation/Animation.cpp
@@ -85,18 +85,6 @@ PassRefPtr<Animation> Animation::create(Element* element, Vector<Dictionary> key
     return createUnsafe(element, keyframeDictionaryVector, timingInput);
 }
 
-PassRefPtr<Animation> Animation::create(Element* element, Vector<Dictionary> keyframeDictionaryVector)
-{
-    ASSERT(RuntimeEnabledFeatures::webAnimationsAPIEnabled());
-
-    // FIXME: This test will not be neccessary once resolution of keyframe values occurs at
-    // animation application time.
-    if (!checkDocumentAndRenderer(element))
-        return nullptr;
-
-    return createUnsafe(element, keyframeDictionaryVector);
-}
-
 void Animation::setStartDelay(Timing& timing, double startDelay)
 {
     if (std::isfinite(startDelay))
@@ -309,14 +297,6 @@ PassRefPtr<Animation> Animation::createUnsafe(Element* element, Vector<Dictionar
     return create(element, effect, timing);
 }
 
-PassRefPtr<Animation> Animation::createUnsafe(Element* element, Vector<Dictionary> keyframeDictionaryVector)
-{
-    RefPtrWillBeRawPtr<KeyframeEffectModel> effect = createKeyframeEffectModel(element, keyframeDictionaryVector);
-    Timing timing;
-
-    return create(element, effect, timing);
-}
-
 Animation::Animation(PassRefPtr<Element> target, PassRefPtrWillBeRawPtr<AnimationEffect> effect, const Timing& timing, Priority priority, PassOwnPtr<EventDelegate> eventDelegate)
     : TimedItem(timing, eventDelegate)
     , m_target(target)