Revert "Web Animations: Introduce String based KeyframeEffectModel"

Source/core/css/resolver/StyleResolver.cpp

Index: Source/core/css/resolver/StyleResolver.cpp
diff --git a/Source/core/css/resolver/StyleResolver.cpp b/Source/core/css/resolver/StyleResolver.cpp
index 879b2d86b50438fb68c5f4107590aa8640eee24b..4094b231fa454ecaba34ca859fe93a9155d374d5 100644
--- a/Source/core/css/resolver/StyleResolver.cpp
+++ b/Source/core/css/resolver/StyleResolver.cpp
@@ -787,7 +787,7 @@ PassRefPtr<RenderStyle> StyleResolver::styleForKeyframe(Element* element, const
 
 // This function is used by the WebAnimations JavaScript API method animate().
 // FIXME: Remove this when animate() switches away from resolution-dependent parsing.
-PassRefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> StyleResolver::createKeyframeEffectModel(Element& element, const WillBeHeapVector<RefPtrWillBeMember<MutableStylePropertySet> >& propertySetVector, AnimatableValueKeyframeVector& keyframes)
+PassRefPtrWillBeRawPtr<KeyframeEffectModel> StyleResolver::createKeyframeEffectModel(Element& element, const WillBeHeapVector<RefPtrWillBeMember<MutableStylePropertySet> >& propertySetVector, KeyframeEffectModel::KeyframeVector& keyframes)
 {
     ASSERT(propertySetVector.size() == keyframes.size());
 
@@ -802,7 +802,8 @@ PassRefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> StyleResolver::create
             keyframes[i]->setPropertyValue(id, CSSAnimatableValueFactory::create(id, *state.style()).get());
         }
     }
-    return AnimatableValueKeyframeEffectModel::create(keyframes);
+
+    return KeyframeEffectModel::create(keyframes);
 }
 
 PassRefPtr<PseudoElement> StyleResolver::createPseudoElementIfNeeded(Element& parent, PseudoId pseudoId)
@@ -1099,7 +1100,7 @@ void StyleResolver::applyAnimatedProperties(StyleResolverState& state, const Wil
         CSSPropertyID property = iter->key;
         if (!isPropertyForPass<pass>(property))
             continue;
-        const StyleInterpolation* interpolation = toStyleInterpolation(iter->value.get());
+        const StyleInterpolation *interpolation = toStyleInterpolation(iter->value.get());
         interpolation->apply(state);
     }
 }