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

Source/core/animation/animatable/AnimatableSVGPaint.h

Index: Source/core/animation/animatable/AnimatableSVGPaint.h
diff --git a/Source/core/animation/animatable/AnimatableSVGPaint.h b/Source/core/animation/animatable/AnimatableSVGPaint.h
index 7e460a31efaacf122ac30326197ec2fd25b64d62..dcdec2e773e45e957bc4fa7f4f6ef0d825ead038 100644
--- a/Source/core/animation/animatable/AnimatableSVGPaint.h
+++ b/Source/core/animation/animatable/AnimatableSVGPaint.h
@@ -40,19 +40,19 @@ namespace blink {
 class AnimatableSVGPaint final : public AnimatableValue {
 public:
     ~AnimatableSVGPaint() override { }
-    static PassRefPtrWillBeRawPtr<AnimatableSVGPaint> create(
+    static AnimatableSVGPaint* create(
         SVGPaintType type, SVGPaintType visitedLinkType,
         const Color& color, const Color& visitedLinkColor,
         const String& uri, const String& visitedLinkURI)
     {
         return create(type, visitedLinkType, AnimatableColor::create(color, visitedLinkColor), uri, visitedLinkURI);
     }
-    static PassRefPtrWillBeRawPtr<AnimatableSVGPaint> create(
+    static AnimatableSVGPaint* create(
         SVGPaintType type, SVGPaintType visitedLinkType,
-        PassRefPtrWillBeRawPtr<AnimatableColor> color,
+        AnimatableColor* color,
         const String& uri, const String& visitedLinkURI)
     {
-        return adoptRefWillBeNoop(new AnimatableSVGPaint(type, visitedLinkType, color, uri, visitedLinkURI));
+        return new AnimatableSVGPaint(type, visitedLinkType, color, uri, visitedLinkURI);
     }
     SVGPaintType paintType() const { return m_type; }
     SVGPaintType visitedLinkPaintType() const { return m_visitedLinkType; }
@@ -68,11 +68,11 @@ public:
     }
 
 protected:
-    PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const override;
+    AnimatableValue* interpolateTo(const AnimatableValue*, double fraction) const override;
     bool usesDefaultInterpolationWith(const AnimatableValue*) const override;
 
 private:
-    AnimatableSVGPaint(SVGPaintType type, SVGPaintType visitedLinkType, PassRefPtrWillBeRawPtr<AnimatableColor> color, const String& uri, const String& visitedLinkURI)
+    AnimatableSVGPaint(SVGPaintType type, SVGPaintType visitedLinkType, AnimatableColor* color, const String& uri, const String& visitedLinkURI)
         : m_type(type)
         , m_visitedLinkType(visitedLinkType)
         , m_color(color)
@@ -86,7 +86,7 @@ private:
     SVGPaintType m_type;
     SVGPaintType m_visitedLinkType;
     // AnimatableColor includes a visited link color.
-    RefPtrWillBeMember<AnimatableColor> m_color;
+    Member<AnimatableColor> m_color;
     String m_uri;
     String m_visitedLinkURI;
 };