Web Animations: Add SVGNumberInterpolationType

third_party/WebKit/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 54 matching lines @@
 
 protected:
     explicit SVGNumber(float);
 
     template<typename CharType>
     bool parse(const CharType*& ptr, const CharType* end);
 
     float m_value;
 };
 
-inline PassRefPtrWillBeRawPtr<SVGNumber> toSVGNumber(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
-{
-    RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
-    ASSERT(base->type() == SVGNumber::classType());
-    return static_pointer_cast<SVGNumber>(base.release());
-}
+DEFINE_SVG_PROPERTY_TYPE_CASTS(SVGNumber);
 
 // 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 PassRefPtrWillBeRawPtr<SVGNumberAcceptPercentage> create(float value = 0)
     {
         return adoptRefWillBeNoop(new SVGNumberAcceptPercentage(value));
     }
 
     PassRefPtrWillBeRawPtr<SVGNumber> clone() const override;
     void setValueAsString(const String&, ExceptionState&) override;
 
 private:
     explicit SVGNumberAcceptPercentage(float);
 };
 
 } // namespace blink
 
 #endif // SVGNumber_h