Force all LayoutUnit construction to be explicit

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

 /*
  * Copyright (c) 2012, 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 27 matching lines @@
 #include "wtf/MathExtras.h"
 #include <algorithm>
 
 namespace blink {
 
 class LayoutPoint {
     DISALLOW_NEW();
 public:
     LayoutPoint() { }
     LayoutPoint(LayoutUnit x, LayoutUnit y) : m_x(x), m_y(y) { }
+    LayoutPoint(int x, int y) : m_x(LayoutUnit(x)), m_y(LayoutUnit(y)) { }

[eae, 2016/02/12 01:14:59]

This has many of the same problems, I assume it is temporary?

     LayoutPoint(const IntPoint& point) : m_x(point.x()), m_y(point.y()) { }
     explicit LayoutPoint(const FloatPoint& point) : m_x(point.x()), m_y(point.y()) { }
     explicit LayoutPoint(const DoublePoint& point) : m_x(point.x()), m_y(point.y()) { }
     explicit LayoutPoint(const LayoutSize& size) : m_x(size.width()), m_y(size.height()) { }
 
     static LayoutPoint zero() { return LayoutPoint(); }
 
     LayoutUnit x() const { return m_x; }
     LayoutUnit y() const { return m_y; }
 
@@ skipping 177 matching lines @@
 
 inline LayoutPoint flooredLayoutPoint(const FloatSize& s)
 {
     return flooredLayoutPoint(FloatPoint(s));
 }
 
 
 } // namespace blink
 
 #endif // LayoutPoint_h