Add platform/geometry pretty printers for logging and testing

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 73 matching lines @@
     void clampNegativeToZero()
     {
         *this = expandedTo(zero());
     }
 
     LayoutPoint transposedPoint() const
     {
         return LayoutPoint(m_y, m_x);
     }
 
-#ifndef NDEBUG
     String toString() const;
-#endif
 
 private:
     LayoutUnit m_x, m_y;
 };
 
 ALWAYS_INLINE LayoutPoint& operator+=(LayoutPoint& a, const LayoutSize& b)
 {
     a.move(b.width(), b.height());
     return a;
 }
@@ skipping 130 matching lines @@
 inline LayoutSize toLayoutSize(const LayoutPoint& p)
 {
     return LayoutSize(p.x(), p.y());
 }
 
 inline LayoutPoint flooredLayoutPoint(const FloatSize& s)
 {
     return flooredLayoutPoint(FloatPoint(s));
 }
 
+// Redeclared here to avoid ODR issues.
+// See platform/testing/GeometryPrinters.h.
+void PrintTo(const LayoutPoint&, std::ostream*);
+
 } // namespace blink
 
 #endif // LayoutPoint_h