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 ad1989e06916a0225d1e66a0b3aa83a554848849..44e5a4729fa5a926afd718108d96688ff7553b76 100644
--- a/Source/core/animation/DoubleStyleInterpolation.cpp
+++ b/Source/core/animation/DoubleStyleInterpolation.cpp
@@ -27,7 +27,7 @@ PassOwnPtrWillBeRawPtr<InterpolableValue> DoubleStyleInterpolation::doubleToInte
     return nullptr;
 }
 
-PassRefPtrWillBeRawPtr<CSSValue> DoubleStyleInterpolation::interpolableValueToDouble(InterpolableValue* value, bool isNumber, InterpolationRange clamp)
+CSSValue DoubleStyleInterpolation::interpolableValueToDouble(InterpolableValue* value, bool isNumber, InterpolationRange clamp)
 {
     ASSERT(value->isNumber());
     double doubleValue = toInterpolableNumber(value)->value();
@@ -68,11 +68,11 @@ 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)
@@ -93,17 +93,17 @@ 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() || primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_DEG) {
-            *rotation += primitiveValue->computeDegrees();
+        } else if (primitiveValue.isAngle() || primitiveValue.primitiveType() == CSSPrimitiveValue::CSS_DEG) {
+            *rotation += primitiveValue.computeDegrees();
         } else {
             return false;
         }
@@ -113,7 +113,7 @@ 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)