Add support to resolve unprefixed CSS animations properties.

Source/core/css/resolver/StyleBuilderCustom.cpp

Index: Source/core/css/resolver/StyleBuilderCustom.cpp
diff --git a/Source/core/css/resolver/StyleBuilderCustom.cpp b/Source/core/css/resolver/StyleBuilderCustom.cpp
index f49afb1a60748a1ee878897339de4b1c082b5f38..5f494e42d418388d1d43438b32428896d3857043 100644
--- a/Source/core/css/resolver/StyleBuilderCustom.cpp
+++ b/Source/core/css/resolver/StyleBuilderCustom.cpp
@@ -1395,6 +1395,7 @@ void StyleBuilder::oldApplyProperty(CSSPropertyID id, StyleResolverState& state,
         state.setLineHeightValue(0);
         state.fontBuilder().fromSystemFont(primitiveValue->getValueID(), state.style()->effectiveZoom());
         return;
+    case CSSPropertyAnimation:
     case CSSPropertyBackground:
     case CSSPropertyBackgroundPosition:
     case CSSPropertyBackgroundRepeat:
@@ -1822,6 +1823,14 @@ void StyleBuilder::oldApplyProperty(CSSPropertyID id, StyleResolverState& state,
     }
 
     // These properties are aliased and we already applied the property on the prefixed version.
+    case CSSPropertyAnimationDelay:
+    case CSSPropertyAnimationDirection:
+    case CSSPropertyAnimationDuration:
+    case CSSPropertyAnimationFillMode:
+    case CSSPropertyAnimationIterationCount:
+    case CSSPropertyAnimationName:
+    case CSSPropertyAnimationPlayState:
+    case CSSPropertyAnimationTimingFunction:
     case CSSPropertyTransitionDelay:
     case CSSPropertyTransitionDuration:
     case CSSPropertyTransitionProperty: