Oilpan: Unship oilpan from temporary animation objects

Source/core/animation/LengthPairStyleInterpolation.cpp

Index: Source/core/animation/LengthPairStyleInterpolation.cpp
diff --git a/Source/core/animation/LengthPairStyleInterpolation.cpp b/Source/core/animation/LengthPairStyleInterpolation.cpp
index 6fb12f91f9e7bc9d9bc1fc6c1363c635f59793bc..0361ce27d794fdc21d8238e388eeb5aca54a49de 100644
--- a/Source/core/animation/LengthPairStyleInterpolation.cpp
+++ b/Source/core/animation/LengthPairStyleInterpolation.cpp
@@ -16,9 +16,9 @@ bool LengthPairStyleInterpolation::canCreateFrom(const CSSValue& value)
     return value.isValuePair();
 }
 
-PassOwnPtrWillBeRawPtr<InterpolableValue> LengthPairStyleInterpolation::lengthPairToInterpolableValue(const CSSValue& value)
+PassOwnPtr<InterpolableValue> LengthPairStyleInterpolation::lengthPairToInterpolableValue(const CSSValue& value)
 {
-    OwnPtrWillBeRawPtr<InterpolableList> result = InterpolableList::create(2);
+    OwnPtr<InterpolableList> result = InterpolableList::create(2);
     const CSSValuePair& pair = toCSSValuePair(value);
 
     result->set(0, LengthStyleInterpolation::toInterpolableValue(pair.first()));