Changed CSSPropertyObjectPosition to use legacy interpolation

Source/core/animation/StringKeyframe.cpp

Index: Source/core/animation/StringKeyframe.cpp
diff --git a/Source/core/animation/StringKeyframe.cpp b/Source/core/animation/StringKeyframe.cpp
index ae7c3e81857f3572921fa3568defdfdcb99ffbe7..92979b20f21b163e47d018261742b9bbf7a32aa6 100644
--- a/Source/core/animation/StringKeyframe.cpp
+++ b/Source/core/animation/StringKeyframe.cpp
@@ -377,11 +377,8 @@ PassRefPtrWillBeRawPtr<Interpolation> StringKeyframe::CSSPropertySpecificKeyfram
     case CSSPropertyBorderBottomRightRadius:
     case CSSPropertyBorderTopLeftRadius:
     case CSSPropertyBorderTopRightRadius:
-        range = RangeNonNegative;
-        // Fall through
-    case CSSPropertyObjectPosition:
         if (LengthPairStyleInterpolation::canCreateFrom(*fromCSSValue) && LengthPairStyleInterpolation::canCreateFrom(*toCSSValue))
-            return LengthPairStyleInterpolation::create(*fromCSSValue, *toCSSValue, property, range);
+            return LengthPairStyleInterpolation::create(*fromCSSValue, *toCSSValue, property, RangeNonNegative);
         break;
 
     case CSSPropertyPerspectiveOrigin: