Add platform/geometry pretty printers for logging and testing

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

 /*
  * Copyright (C) 2003, 2006 Apple Computer, 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 11 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "platform/geometry/FloatSize.h"
 
 #include "platform/FloatConversion.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/geometry/LayoutSize.h"
-#include "wtf/text/WTFString.h"
 #include <limits>
 #include <math.h>
+#include <ostream> // NOLINT
 
 namespace blink {
 
 FloatSize::FloatSize(const LayoutSize& size)
     : m_width(size.width().toFloat())
     , m_height(size.height().toFloat())
 {
 }
 
 float FloatSize::diagonalLength() const
 {
     return hypotf(m_width, m_height);
 }
 
 bool FloatSize::isZero() const
 {
     return fabs(m_width) < std::numeric_limits<float>::epsilon() && fabs(m_height) < std::numeric_limits<float>::epsilon();
 }
 
 bool FloatSize::isExpressibleAsIntSize() const
 {
     return isWithinIntRange(m_width) && isWithinIntRange(m_height);
 }
 
 FloatSize FloatSize::narrowPrecision(double width, double height)
 {
     return FloatSize(narrowPrecisionToFloat(width), narrowPrecisionToFloat(height));
 }
 
-#ifndef NDEBUG
-String FloatSize::toString() const
+std::ostream& operator<<(std::ostream& os, const FloatSize& size)
 {
-    return String::format("%fx%f", width(), height());
+    os << "FloatSize("
+        << "width=" << size.width() << ", "
+        << "height=" << size.height() << ")";
+    return os;
 }
-#endif
 
 } // namespace blink