CSS Motion Path: Support parsing of ray(<angle>) paths

third_party/WebKit/Source/core/style/StylePath.h

 // Copyright 2016 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 StylePath_h
 #define StylePath_h
 
 #include <memory>
+#include "core/style/BasicShapes.h"
 #include "platform/heap/Handle.h"
 #include "platform/wtf/PassRefPtr.h"
 #include "platform/wtf/RefCounted.h"
 #include "platform/wtf/RefPtr.h"
 
 namespace blink {
 
 class CSSValue;
 class Path;
 class SVGPathByteStream;
 
-class StylePath : public RefCounted<StylePath> {
+class StylePath final : public BasicShape {
  public:
   static PassRefPtr<StylePath> Create(std::unique_ptr<SVGPathByteStream>);
   ~StylePath();
 
   static StylePath* EmptyPath();
 
   const Path& GetPath() const;
   float length() const;
   bool IsClosed() const;
 
   const SVGPathByteStream& ByteStream() const { return *byte_stream_; }
 
   CSSValue* ComputedCSSValue() const;
 
-  bool operator==(const StylePath&) const;
+  void GetPath(Path&, const FloatRect&) override;
+  PassRefPtr<BasicShape> Blend(const BasicShape*, double) const override;
+  bool operator==(const BasicShape&) const override;
+
+  ShapeType GetType() const override { return kStylePathType; }
 
  private:
   explicit StylePath(std::unique_ptr<SVGPathByteStream>);
 
   std::unique_ptr<SVGPathByteStream> byte_stream_;
   mutable std::unique_ptr<Path> path_;
   mutable float path_length_;
 };
 
+DEFINE_BASICSHAPE_TYPE_CASTS(StylePath);
+
 }  // namespace blink
 
 #endif  // StylePath_h