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

Source/core/animation/DoubleStyleInterpolation.cpp

Index: Source/core/animation/DoubleStyleInterpolation.cpp
diff --git a/Source/core/animation/DoubleStyleInterpolation.cpp b/Source/core/animation/DoubleStyleInterpolation.cpp
index 75fee5638af16bfa5af805d1ae924a2f190f654a..38ff7677d8b6bcccd1c7ccc5869c46a6c11197e2 100644
--- a/Source/core/animation/DoubleStyleInterpolation.cpp
+++ b/Source/core/animation/DoubleStyleInterpolation.cpp
@@ -53,7 +53,7 @@ static double clampToRange(double value, InterpolationRange clamp)
     }
 }
 
-PassRefPtrWillBeRawPtr<CSSValue> DoubleStyleInterpolation::interpolableValueToDouble(const InterpolableValue* value, bool isNumber, InterpolationRange clamp)
+CSSValue DoubleStyleInterpolation::interpolableValueToDouble(const InterpolableValue* value, bool isNumber, InterpolationRange clamp)
 {
     ASSERT(value->isNumber());
     double doubleValue = clampToRange(toInterpolableNumber(value)->value(), clamp);
@@ -66,11 +66,11 @@ PassRefPtrWillBeRawPtr<CSSValue> DoubleStyleInterpolation::interpolableValueToDo
 void DoubleStyleInterpolation::apply(StyleResolverState& state) const
 {
     if (m_id != CSSPropertyMotionRotation) {
-        StyleBuilder::applyProperty(m_id, state, interpolableValueToDouble(m_cachedValue.get(), m_isNumber, m_clamp).get());
+        StyleBuilder::applyProperty(m_id, state, interpolableValueToDouble(m_cachedValue.get(), m_isNumber, m_clamp));
         return;
     }
 
-    StyleBuilder::applyProperty(m_id, state, interpolableValueToMotionRotation(m_cachedValue.get(), m_flag).get());
+    StyleBuilder::applyProperty(m_id, state, interpolableValueToMotionRotation(m_cachedValue.get(), m_flag));
 }
 
 DEFINE_TRACE(DoubleStyleInterpolation)
@@ -84,7 +84,7 @@ PassOwnPtrWillBeRawPtr<InterpolableValue> DoubleStyleInterpolation::toInterpolab
     return doubleToInterpolableValue(value);
 }
 
-PassRefPtrWillBeRawPtr<CSSValue> DoubleStyleInterpolation::fromInterpolableValue(const InterpolableValue& value, InterpolationRange range)
+CSSValue DoubleStyleInterpolation::fromInterpolableValue(const InterpolableValue& value, InterpolationRange range)
 {
     return interpolableValueToDouble(&value, true, range);
 }
@@ -102,17 +102,17 @@ bool extractMotionRotation(const CSSValue& value, float* rotation, MotionRotatio
 
     int len = list.length();
     for (int i = 0; i < len; i++) {
-        const CSSValue* item = list.item(i);
-        if (!item->isPrimitiveValue())
+        const CSSValue item = list.item(i);
+        if (!item.isPrimitiveValue())
             return false;
-        const CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(item);
-        if (primitiveValue->getValueID() == CSSValueAuto) {
+        const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(item);
+        if (primitiveValue.getValueID() == CSSValueAuto) {
             *rotationType = MotionRotationAuto;
-        } else if (primitiveValue->getValueID() == CSSValueReverse) {
+        } else if (primitiveValue.getValueID() == CSSValueReverse) {
             *rotationType = MotionRotationAuto;
             *rotation += 180;
-        } else if (primitiveValue->isAngle()) {
-            *rotation += primitiveValue->computeDegrees();
+        } else if (primitiveValue.isAngle()) {
+            *rotation += primitiveValue.computeDegrees();
         } else {
             return false;
         }
@@ -122,7 +122,7 @@ bool extractMotionRotation(const CSSValue& value, float* rotation, MotionRotatio
 
 } // namespace
 
-PassRefPtrWillBeRawPtr<CSSValue> DoubleStyleInterpolation::interpolableValueToMotionRotation(InterpolableValue* value, bool flag)
+CSSValue DoubleStyleInterpolation::interpolableValueToMotionRotation(InterpolableValue* value, bool flag)
 {
     RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
     if (flag)