Add platform/geometry pretty printers for logging and testing

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

 /*
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2013 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 14 matching lines @@
  */
 
 #ifndef IntPoint_h
 #define IntPoint_h
 
 #include "platform/geometry/IntSize.h"
 #include "wtf/Allocator.h"
 #include "wtf/Forward.h"
 #include "wtf/MathExtras.h"
 #include "wtf/VectorTraits.h"
+#include <iosfwd>
 
 #if OS(MACOSX)
 typedef struct CGPoint CGPoint;
 
 #ifdef __OBJC__
 #import <Foundation/Foundation.h>
 #endif
 #endif
 
 namespace blink {
@@ skipping 49 matching lines @@
 #if OS(MACOSX)
     explicit IntPoint(const CGPoint&); // don't do this implicitly since it's lossy
     operator CGPoint() const;
 
 #if defined(__OBJC__) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
     explicit IntPoint(const NSPoint&); // don't do this implicitly since it's lossy
     operator NSPoint() const;
 #endif
 #endif
 
-#ifndef NDEBUG
-    String toString() const;
-#endif
-
 private:
     int m_x, m_y;
 };
 
 inline IntPoint& operator+=(IntPoint& a, const IntSize& b)
 {
     a.move(b.width(), b.height());
     return a;
 }
 
@@ skipping 41 matching lines @@
 inline IntSize toIntSize(const IntPoint& a)
 {
     return IntSize(a.x(), a.y());
 }
 
 inline int IntPoint::distanceSquaredToPoint(const IntPoint& point) const
 {
     return ((*this) - point).diagonalLengthSquared();
 }
 
+PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, const IntPoint&);
+
 } // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(blink::IntPoint);
 
 #endif // IntPoint_h