[Oilpan] Migrate most classes under core/animations to Oilpan heap.

Source/core/animation/ListStyleInterpolationTest.cpp

Index: Source/core/animation/ListStyleInterpolationTest.cpp
diff --git a/Source/core/animation/ListStyleInterpolationTest.cpp b/Source/core/animation/ListStyleInterpolationTest.cpp
index 0123d87ee04546d2fdd4d133c9af6ec701724283..75d0698391d4951464b6734aaecce72db26bfd26 100644
--- a/Source/core/animation/ListStyleInterpolationTest.cpp
+++ b/Source/core/animation/ListStyleInterpolationTest.cpp
@@ -18,7 +18,7 @@ protected:
     static PassRefPtrWillBeRawPtr<CSSValue> lengthRoundTrip(PassRefPtrWillBeRawPtr<CSSValue> value, InterpolationRange range)
     {
         return ListStyleInterpolationImpl<LengthStyleInterpolation, void>::interpolableValueToList(
-            ListStyleInterpolationImpl<LengthStyleInterpolation, void>::listToInterpolableValue(*value).get(), range);
+            ListStyleInterpolationImpl<LengthStyleInterpolation, void>::listToInterpolableValue(*value), range);
     }
 
     static void compareLengthLists(PassRefPtrWillBeRawPtr<CSSValueList> expectedList, PassRefPtrWillBeRawPtr<CSSValue> actualList)
@@ -40,7 +40,7 @@ protected:
     {
         Vector<bool> nonInterpolableData;
         return ListStyleInterpolationImpl<ShadowStyleInterpolation, bool>::interpolableValueToList(
-            ListStyleInterpolationImpl<ShadowStyleInterpolation, bool>::listToInterpolableValue(*value, &nonInterpolableData).get(), nonInterpolableData);
+            ListStyleInterpolationImpl<ShadowStyleInterpolation, bool>::listToInterpolableValue(*value, &nonInterpolableData), nonInterpolableData);
     }
 
     static RefPtrWillBeRawPtr<CSSShadowValue> createShadowValue()