Oilpan: Unship oilpan from temporary animation objects

Source/core/animation/VisibilityStyleInterpolation.cpp

 #include "config.h"
 #include "core/animation/VisibilityStyleInterpolation.h"
 
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/resolver/StyleBuilder.h"
 
 namespace blink {
 
 bool VisibilityStyleInterpolation::canCreateFrom(const CSSValue& value)
 {
     return value.isPrimitiveValue() && toCSSPrimitiveValue(value).isValueID();
 }
 
 bool VisibilityStyleInterpolation::isVisible(const CSSValue& value)
 {
     return toCSSPrimitiveValue(value).getValueID() == CSSValueVisible;
 }
 
-PassOwnPtrWillBeRawPtr<InterpolableValue> VisibilityStyleInterpolation::visibilityToInterpolableValue(const CSSValue& value)
+PassOwnPtr<InterpolableValue> VisibilityStyleInterpolation::visibilityToInterpolableValue(const CSSValue& value)
 {
     ASSERT(value.isPrimitiveValue());
     const CSSPrimitiveValue& primitive = toCSSPrimitiveValue(value);
     ASSERT(primitive.isValueID());
     const CSSValueID valueID = primitive.getValueID();
 
     if (valueID == CSSValueVisible) {
         return InterpolableNumber::create(1.0);
     }
     return InterpolableNumber::create(0.0);
 }
 
 PassRefPtrWillBeRawPtr<CSSValue> VisibilityStyleInterpolation::interpolableValueToVisibility(InterpolableValue* value, CSSValueID notVisible)
 {
     ASSERT(value->isNumber());
     InterpolableNumber* number = toInterpolableNumber(value);
 
     if (number->value() > 0)
         return CSSPrimitiveValue::createIdentifier(CSSValueVisible);
     return CSSPrimitiveValue::createIdentifier(notVisible);
 }
 
 void VisibilityStyleInterpolation::apply(StyleResolverState& state) const
 {
     StyleBuilder::applyProperty(m_id, state, interpolableValueToVisibility(m_cachedValue.get(), m_notVisible).get());
 }
 
-DEFINE_TRACE(VisibilityStyleInterpolation)
-{
-    StyleInterpolation::trace(visitor);
 }
-}