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

Source/core/animation/NonInterpolableValue.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NonInterpolableValue_h
 #define NonInterpolableValue_h
 
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 // Holds components of a keyframe value that do not change when interpolating with another keyframe.
-class NonInterpolableValue : public RefCountedWillBeGarbageCollectedFinalized<NonInterpolableValue> {
+class NonInterpolableValue : public GarbageCollectedFinalized<NonInterpolableValue> {
 public:
     virtual ~NonInterpolableValue() { }
 
     typedef const void* Type;
     virtual Type type() const = 0;
 
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 };
 
 // These macros provide safe downcasts of NonInterpolableValue subclasses with debug assertions.
 // See CSSValueInterpolationType.cpp for example usage.
 #define DECLARE_NON_INTERPOLABLE_VALUE_TYPE() \
     static Type staticType; \
     virtual Type type() const { return staticType; }
 
 #define DEFINE_NON_INTERPOLABLE_VALUE_TYPE(T) \
     NonInterpolableValue::Type T::staticType = &T::staticType;
 
 #define DEFINE_NON_INTERPOLABLE_VALUE_TYPE_CASTS(T) \
     DEFINE_TYPE_CASTS(T, NonInterpolableValue, value, value->type() == T::staticType, value.type() == T::staticType);
 
 } // namespace blink
 
 #endif // NonInterpolableValue_h