CSSValue Immediates: Change CSSValue to an object instead of a pointer

Source/core/animation/FilterStyleInterpolation.cpp

Index: Source/core/animation/FilterStyleInterpolation.cpp
diff --git a/Source/core/animation/FilterStyleInterpolation.cpp b/Source/core/animation/FilterStyleInterpolation.cpp
index e26d66965e9d3d720c88f01a8efb5b7081f9095f..dcea3c86ad1d99e9992ce25bc3ef54d3ca226a5b 100644
--- a/Source/core/animation/FilterStyleInterpolation.cpp
+++ b/Source/core/animation/FilterStyleInterpolation.cpp
@@ -24,9 +24,9 @@ PassRefPtrWillBeRawPtr<CSSValueList> extendFilterList(const CSSValueList& shortF
         ++otherIter;
     }
     while (otherIter != otherFilterList.end()) {
-        CSSFunctionValue* function = toCSSFunctionValue(otherIter->get());
-        RefPtrWillBeRawPtr<CSSValueList> defaultFunction = CSSFunctionValue::create(function->functionType());
-        switch (function->functionType()) {
+        CSSFunctionValue& function = toCSSFunctionValue(*otherIter);
+        RefPtrWillBeRawPtr<CSSValueList> defaultFunction = CSSFunctionValue::create(function.functionType());
+        switch (function.functionType()) {
         case CSSValueUrl:
             // Discrete interpolation occurs - see canCreateFrom.
             break;
@@ -107,10 +107,10 @@ PassOwnPtrWillBeRawPtr<InterpolableValue> FilterStyleInterpolation::toInterpolab
     for (size_t i = 0; i < length; ++i) {
         switch (functionType) {
         case CSSValueHueRotate:
-            result->set(i, InterpolableNumber::create(toCSSPrimitiveValue(filterValue.item(i))->computeDegrees()));
+            result->set(i, InterpolableNumber::create(toCSSPrimitiveValue(filterValue.item(i)).computeDegrees()));
             break;
         case CSSValueBlur:
-            result->set(i, LengthStyleInterpolation::toInterpolableValue(*filterValue.item(i), CSSPropertyWebkitFilter));
+            result->set(i, LengthStyleInterpolation::toInterpolableValue(filterValue.item(i), CSSPropertyWebkitFilter));
             break;
         case CSSValueGrayscale:
         case CSSValueInvert:
@@ -119,7 +119,7 @@ PassOwnPtrWillBeRawPtr<InterpolableValue> FilterStyleInterpolation::toInterpolab
         case CSSValueContrast:
         case CSSValueOpacity:
         case CSSValueSaturate:
-            result->set(i, InterpolableNumber::create(toCSSPrimitiveValue(filterValue.item(i))->getDoubleValue()));
+            result->set(i, InterpolableNumber::create(toCSSPrimitiveValue(filterValue.item(i)).getDoubleValue()));
             break;
         case CSSValueDropShadow:
         case CSSValueUrl: