Switch from PrintTo to operator<< for platform printers

third_party/WebKit/Source/platform/geometry/FloatPoint3D.cpp

 /*
     Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <wildfox@kde.org>
                   2004, 2005 Rob Buis <buis@kde.org>
                   2005 Eric Seidel <eric@webkit.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
@@ skipping 39 matching lines @@
         return acos(clampTo(cosAngle, -1.0, 1.0));
     }
     return 0;
 }
 
 String FloatPoint3D::toString() const
 {
     return String::format("%lg,%lg,%lg", x(), y(), z());
 }
 
+std::ostream& operator<<(std::ostream& ostream, const FloatPoint3D& point)
+{
+    return ostream << point.toString();
+}
+
 } // namespace blink