Oilpan: Move AnimatableValue's hierarchy to oilpan's heap

Source/core/animation/AnimatableLengthBoxAndBool.h

Index: Source/core/animation/AnimatableLengthBoxAndBool.h
diff --git a/Source/core/animation/AnimatableLengthBoxAndBool.h b/Source/core/animation/AnimatableLengthBoxAndBool.h
index 96c1e6f0cbb66e6685602a46a6c0aece8d7e2321..4d1866162e9b03d982204df9d4c89ec191daaef5 100644
--- a/Source/core/animation/AnimatableLengthBoxAndBool.h
+++ b/Source/core/animation/AnimatableLengthBoxAndBool.h
@@ -38,20 +38,22 @@ namespace WebCore {
 class AnimatableLengthBoxAndBool FINAL : public AnimatableValue {
 public:
     virtual ~AnimatableLengthBoxAndBool() { }
-    static PassRefPtr<AnimatableLengthBoxAndBool> create(PassRefPtr<AnimatableValue> box, bool flag)
+    static PassRefPtrWillBeRawPtr<AnimatableLengthBoxAndBool> create(PassRefPtrWillBeRawPtr<AnimatableValue> box, bool flag)
     {
-        return adoptRef(new AnimatableLengthBoxAndBool(box, flag));
+        return adoptRefWillBeNoop(new AnimatableLengthBoxAndBool(box, flag));
     }
     const AnimatableValue* box() const { return m_box.get(); }
     bool flag() const { return m_flag; }
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 protected:
-    virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
-    virtual PassRefPtr<AnimatableValue> addWith(const AnimatableValue*) const OVERRIDE;
+    virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
+    virtual PassRefPtrWillBeRawPtr<AnimatableValue> addWith(const AnimatableValue*) const OVERRIDE;
     virtual bool usesDefaultInterpolationWith(const AnimatableValue*) const OVERRIDE;
 
 private:
-    AnimatableLengthBoxAndBool(PassRefPtr<AnimatableValue> box, bool flag)
+    AnimatableLengthBoxAndBool(PassRefPtrWillBeRawPtr<AnimatableValue> box, bool flag)
         : m_box(box)
         , m_flag(flag)
     {
@@ -59,7 +61,7 @@ private:
     virtual AnimatableType type() const OVERRIDE { return TypeLengthBoxAndBool; }
     virtual bool equalTo(const AnimatableValue*) const OVERRIDE;
 
-    RefPtr<AnimatableValue> m_box;
+    RefPtrWillBeMember<AnimatableValue> m_box;
     bool m_flag;
 };