Replace open-coded toSVG<type> with DEFINE_SVG_PROPERTY_TYPE_CASTS

third_party/WebKit/Source/core/svg/SVGPath.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 60 matching lines @@
     SVGPath();
     explicit SVGPath(PassOwnPtr<SVGPathByteStream>);
 
     SVGPathByteStream& ensureByteStream();
     void byteStreamWillChange();
 
     OwnPtr<SVGPathByteStream> m_byteStream;
     mutable OwnPtr<Path> m_cachedPath;
 };
 
-inline PassRefPtrWillBeRawPtr<SVGPath> toSVGPath(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
-{
-    RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
-    ASSERT(base->type() == SVGPath::classType());
-    return static_pointer_cast<SVGPath>(base.release());
-}
+DEFINE_SVG_PROPERTY_TYPE_CASTS(SVGPath);
 
 } // namespace blink
 
 #endif