Reuse existing paint property node is possible

third_party/WebKit/Source/platform/geometry/FloatRoundedRect.h

 /*
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 189 matching lines @@
 {
     return !(a == b);
 }
 
 
 inline bool operator==(const FloatRoundedRect& a, const FloatRoundedRect& b)
 {
     return a.rect() == b.rect() && a.getRadii() == b.getRadii();
 }
 
+inline bool operator!=(const FloatRoundedRect& a, const FloatRoundedRect& b)
+{
+    return !(a == b);
+}
+
 // Redeclared here to avoid ODR issues.
 // See platform/testing/GeometryPrinters.h.
 void PrintTo(const FloatRoundedRect&, std::ostream*);
 void PrintTo(const FloatRoundedRect::Radii&, std::ostream*);
 
 } // namespace blink
 
 #endif // FloatRoundedRect_h