CSSValue Immediates: Make CSSPrimitiveValue a container

Source/core/animation/LengthStyleInterpolationTest.cpp

Index: Source/core/animation/LengthStyleInterpolationTest.cpp
diff --git a/Source/core/animation/LengthStyleInterpolationTest.cpp b/Source/core/animation/LengthStyleInterpolationTest.cpp
index c5bee494f234a3f71c4322a2662ef0ebb544d7a7..95bfed50983ac9c38565099839c543e8f692e9da 100644
--- a/Source/core/animation/LengthStyleInterpolationTest.cpp
+++ b/Source/core/animation/LengthStyleInterpolationTest.cpp
@@ -59,7 +59,7 @@ protected:
         initLengthArray(lengthArray);
         RefPtrWillBeRawPtr<MutableStylePropertySet> propertySet = MutableStylePropertySet::create();
         propertySet->setProperty(CSSPropertyLeft, text);
-        toCSSPrimitiveValue(propertySet->getPropertyCSSValue(CSSPropertyLeft))->accumulateLengthArray(lengthArray);
+        toCSSPrimitiveValue(*propertySet->getPropertyCSSValue(CSSPropertyLeft)).accumulateLengthArray(lengthArray);
         return lengthArray;
     }
 };