Adding fromPoint to DOMPoint and DOMPointReadOnly interfaces following spec.

third_party/WebKit/Source/core/dom/DOMPoint.h

 // Copyright 2014 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 DOMPoint_h
 #define DOMPoint_h
 
 #include "core/CoreExport.h"
 #include "core/dom/DOMPointReadOnly.h"
 
 namespace blink {
 
 class DOMPointInit;
 
 class CORE_EXPORT DOMPoint final : public DOMPointReadOnly {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static DOMPoint* create(const DOMPointInit&);
   static DOMPoint* create(double x, double y, double z = 0, double w = 1);
+  static DOMPoint* fromPoint(DOMPointInit&);

[zino, 2016/12/19 18:02:31]

nit: const DOMPointInit?

[Byoungkwon Ko, 2016/12/19 18:59:42]

Done.

 
   void setX(double x) { m_x = x; }
   void setY(double y) { m_y = y; }
   void setZ(double z) { m_z = z; }
   void setW(double w) { m_w = w; }
 
  protected:
   DOMPoint(double x, double y, double z, double w);
 };
 
 }  // namespace blink
 
 #endif