Add platform/geometry pretty printers for logging and testing

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

Index: third_party/WebKit/Source/platform/geometry/LayoutRect.h
diff --git a/third_party/WebKit/Source/platform/geometry/LayoutRect.h b/third_party/WebKit/Source/platform/geometry/LayoutRect.h
index 6811d62a80ecb1dc5258783ace3f021f806e728b..326cceeae29fea18504f7de355f4dbc743524f5c 100644
--- a/third_party/WebKit/Source/platform/geometry/LayoutRect.h
+++ b/third_party/WebKit/Source/platform/geometry/LayoutRect.h
@@ -201,12 +201,6 @@ public:
         return infiniteIntRect;
     }
 
-#ifndef NDEBUG
-    // Prints the rect to the screen.
-    void show(bool showRawValue = false) const;
-    String toString() const;
-#endif
-
 private:
     LayoutPoint m_location;
     LayoutSize m_size;
@@ -272,9 +266,7 @@ inline IntRect pixelSnappedIntRect(LayoutPoint location, LayoutSize size)
     return IntRect(roundedIntPoint(location), pixelSnappedIntSize(size, location));
 }
 
-// Redeclared here to avoid ODR issues.
-// See platform/testing/GeometryPrinters.h.
-void PrintTo(const LayoutRect&, std::ostream*);
+PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, const LayoutRect&);
 
 } // namespace blink