Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGNumber.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 26 matching lines @@
 namespace blink {
 
 class SVGNumberTearOff;
 
 class SVGNumber : public SVGPropertyHelper<SVGNumber> {
 public:
     // SVGNumber has a tear-off type, but SVGAnimatedNumber uses primitive type.
     typedef SVGNumberTearOff TearOffType;
     typedef float PrimitiveType;
 
-    static PassRefPtr<SVGNumber> create(float value = 0.0f)
+    static PassRefPtrWillBeRawPtr<SVGNumber> create(float value = 0.0f)
     {
-        return adoptRef(new SVGNumber(value));
+        return adoptRefWillBeNoop(new SVGNumber(value));
     }
 
-    virtual PassRefPtr<SVGNumber> clone() const;
+    virtual PassRefPtrWillBeRawPtr<SVGNumber> clone() const;
 
     float value() const { return m_value; }
     void setValue(float value) { m_value = value; }
 
     virtual String valueAsString() const override;
     virtual void setValueAsString(const String&, ExceptionState&);
 
     virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
-    virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> from, PassRefPtr<SVGPropertyBase> to, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) override;
-    virtual float calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement* contextElement) override;
+    virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) override;
+    virtual float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement* contextElement) override;
 
     static AnimatedPropertyType classType() { return AnimatedNumber; }
 
 protected:
     explicit SVGNumber(float);
 
     template<typename CharType>
     bool parse(const CharType*& ptr, const CharType* end);
 
     float m_value;
 };
 
-inline PassRefPtr<SVGNumber> toSVGNumber(PassRefPtr<SVGPropertyBase> passBase)
+inline PassRefPtrWillBeRawPtr<SVGNumber> toSVGNumber(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
 {
-    RefPtr<SVGPropertyBase> base = passBase;
+    RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
     ASSERT(base->type() == SVGNumber::classType());
     return static_pointer_cast<SVGNumber>(base.release());
 }
 
 // SVGNumber which also accepts percentage as its value.
 // This is used for <stop> "offset"
 // Spec: http://www.w3.org/TR/SVG11/pservers.html#GradientStops
 //   offset = "<number> | <percentage>"
 class SVGNumberAcceptPercentage final : public SVGNumber {
 public:
-    static PassRefPtr<SVGNumberAcceptPercentage> create(float value = 0)
+    static PassRefPtrWillBeRawPtr<SVGNumberAcceptPercentage> create(float value = 0)
     {
-        return adoptRef(new SVGNumberAcceptPercentage(value));
+        return adoptRefWillBeNoop(new SVGNumberAcceptPercentage(value));
     }
 
-    virtual PassRefPtr<SVGNumber> clone() const override;
+    virtual PassRefPtrWillBeRawPtr<SVGNumber> clone() const override;
     virtual void setValueAsString(const String&, ExceptionState&) override;
 
 private:
-    SVGNumberAcceptPercentage(float value);
+    explicit SVGNumberAcceptPercentage(float);
 };
 
 } // namespace blink
 
 #endif // SVGNumber_h