Include transform origin in the transform tree.

Source/platform/geometry/FloatPoint3D.h

 /*
     Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <wildfox@kde.org>
                   2004, 2005 Rob Buis <buis@kde.org>
                   2005 Eric Seidel <eric@webkit.org>
                   2010 Zoltan Herczeg <zherczeg@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.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     aint with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #ifndef FloatPoint3D_h
 #define FloatPoint3D_h
 
 #include "platform/geometry/FloatPoint.h"
+#include "third_party/skia/include/core/SkPoint3.h"
 
 namespace blink {
 
 class PLATFORM_EXPORT FloatPoint3D {
 public:
     FloatPoint3D()
         : m_x(0)
         , m_y(0)
         , m_z(0)
     {
@@ skipping 83 matching lines @@
         FloatPoint3D result;
         result.cross(*this, point);
         return result;
     }
 
     float lengthSquared() const { return this->dot(*this); }
     float length() const { return sqrtf(lengthSquared()); }
 
     float distanceTo(const FloatPoint3D& a) const;
 
+    operator SkPoint3() const { return SkPoint3::Make(m_x, m_y, m_z); }
+
 private:
     float m_x;
     float m_y;
     float m_z;
 };
 
 inline FloatPoint3D& operator +=(FloatPoint3D& a, const FloatPoint3D& b)
 {
     a.move(b.x(), b.y(), b.z());
     return a;
@@ skipping 46 matching lines @@
     return (*this - a).length();
 }
 
 // Redeclared here to avoid ODR issues.
 // See platform/testing/GeometryPrinters.h.
 void PrintTo(const FloatPoint3D&, std::ostream*);
 
 } // namespace blink
 
 #endif // FloatPoint3D_h