Add platform/geometry pretty printers for logging and testing

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

Index: third_party/WebKit/Source/platform/geometry/FloatRoundedRect.cpp
diff --git a/third_party/WebKit/Source/platform/geometry/FloatRoundedRect.cpp b/third_party/WebKit/Source/platform/geometry/FloatRoundedRect.cpp
index 245a96b25ccda2c40f706d5053d388d86e739923..6e5b0ee4fec4a71e259f7101ab9926b43eaae242 100644
--- a/third_party/WebKit/Source/platform/geometry/FloatRoundedRect.cpp
+++ b/third_party/WebKit/Source/platform/geometry/FloatRoundedRect.cpp
@@ -32,10 +32,7 @@
 #include "platform/geometry/FloatQuad.h"
 
 #include <algorithm>
-
-#ifndef NDEBUG
-#include <stdio.h>
-#endif
+#include <ostream> // NOLINT
 
 namespace blink {
 
@@ -140,15 +137,6 @@ void FloatRoundedRect::Radii::expand(float topWidth, float bottomWidth, float le
     }
 }
 
-#ifndef NDEBUG
-void FloatRoundedRect::Radii::show() const
-{
-    fprintf(stderr, "topLeft=[%f,%f], topRight=[%f,%f], bottomLeft=[%f,%f], bottomRight=[%f,%f]\n",
-        topLeft().width(), topLeft().height(), topRight().width(), topRight().height(),
-        bottomLeft().width(), bottomLeft().height(), bottomRight().width(), bottomRight().height());
-}
-#endif
-
 static inline float cornerRectIntercept(float y, const FloatRect& cornerRect)
 {
     ASSERT(cornerRect.height() > 0);
@@ -349,14 +337,22 @@ void FloatRoundedRect::adjustRadii()
     m_radii.scale(widthRatio < heightRatio ? widthRatio : heightRatio);
 }
 
-#ifndef NDEBUG
-void FloatRoundedRect::show() const
+std::ostream& operator<<(std::ostream& os, const FloatRoundedRect::Radii& radii)
+{
+    os << "FloatRoundedRect::Radii("
+        << "topLeft=" << radii.topLeft() << ", "
+        << "topRight=" << radii.topRight() << ", "
+        << "bottomLeft" << radii.bottomLeft() << ", "
+        << "bottomRight=" << radii.bottomRight() << ")";
+    return os;
+}
+
+std::ostream& operator<<(std::ostream& os, const FloatRoundedRect& roundedRect)
 {
-    fprintf(stderr, "FloatRoundedRect:\n rect: ");
-    m_rect.show();
-    fprintf(stderr, " radii: ");
-    m_radii.show();
+    os << "FloatRoundedRect("
+        << "rect=" << roundedRect.rect() << ", "
+        << "radii=" << roundedRect.getRadii() << ")";
+    return os;
 }
-#endif
 
 } // namespace blink