Oilpan: Unship oilpan from temporary animation objects

Source/core/animation/animatable/AnimatableLengthSize.cpp

Index: Source/core/animation/animatable/AnimatableLengthSize.cpp
diff --git a/Source/core/animation/animatable/AnimatableLengthSize.cpp b/Source/core/animation/animatable/AnimatableLengthSize.cpp
index 59c7a8308df46c1bc568a67c1b0c661674560422..5fff41a9d8e9431a294139cd019ec5852273df0e 100644
--- a/Source/core/animation/animatable/AnimatableLengthSize.cpp
+++ b/Source/core/animation/animatable/AnimatableLengthSize.cpp
@@ -33,7 +33,7 @@
 
 namespace blink {
 
-PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableLengthSize::interpolateTo(const AnimatableValue* value, double fraction) const
+PassRefPtr<AnimatableValue> AnimatableLengthSize::interpolateTo(const AnimatableValue* value, double fraction) const
 {
     const AnimatableLengthSize* lengthSize = toAnimatableLengthSize(value);
     return AnimatableLengthSize::create(
@@ -47,11 +47,4 @@ bool AnimatableLengthSize::equalTo(const AnimatableValue* value) const
     return width()->equals(lengthSize->width()) && height()->equals(lengthSize->height());
 }
 
-DEFINE_TRACE(AnimatableLengthSize)
-{
-    visitor->trace(m_width);
-    visitor->trace(m_height);
-    AnimatableValue::trace(visitor);
-}
-
 }