Add platform/geometry pretty printers for logging and testing

third_party/WebKit/Source/platform/geometry/FloatPoint.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2005 Nokia.  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 13 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "platform/geometry/FloatPoint.h"
 
 #include "SkPoint.h"
 #include "platform/FloatConversion.h"
 #include "platform/geometry/DoublePoint.h"
 #include "platform/geometry/LayoutPoint.h"
 #include "platform/geometry/LayoutSize.h"
-#include "wtf/text/WTFString.h"
 #include <limits>
 #include <math.h>
+#include <ostream> // NOLINT
 
 namespace blink {
 
 // Skia has problems when passed infinite, etc floats, filter them to 0.
 static inline SkScalar WebCoreFloatToSkScalar(float f)
 {
     return SkFloatToScalar(std::isfinite(f) ? f : 0);
 }
 
 FloatPoint::FloatPoint(const IntPoint& p) : m_x(p.x()), m_y(p.y())
@@ skipping 60 matching lines @@
     if (!denom)
         return false;
 
     float param = ((d1.x() - p1.x()) * dyLength - (d1.y() - p1.y()) * dxLength) / denom;
 
     intersection.setX(p1.x() + param * pxLength);
     intersection.setY(p1.y() + param * pyLength);
     return true;
 }
 
-#ifndef NDEBUG
-String FloatPoint::toString() const
+std::ostream& operator<<(std::ostream& os, const FloatPoint& point)
 {
-    return String::format("%f,%f", x(), y());
+    os << "FloatPoint("
+        << "x=" << point.x() << ", "
+        << "y=" << point.y() << ")";
+    return os;
 }
-#endif
 
 } // namespace blink