Add platform/geometry pretty printers for logging and testing

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

 /*
  * Copyright (C) 2003, 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 13 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef IntSize_h
 #define IntSize_h
 
 #include "platform/PlatformExport.h"
 #include "public/platform/WebCommon.h"
 #include "wtf/Allocator.h"
 #include "wtf/Forward.h"
+#include <iosfwd>
 
 #if OS(MACOSX)
 typedef struct CGSize CGSize;
 
 #ifdef __OBJC__
 #import <Foundation/Foundation.h>
 #endif
 #endif
 
 namespace gfx {
@@ skipping 82 matching lines @@
     operator CGSize() const;
 
 #if defined(__OBJC__) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
     explicit IntSize(const NSSize &); // don't do this implicitly since it's lossy
     operator NSSize() const;
 #endif
 #endif
 
     operator gfx::Size() const;
 
-#ifndef NDEBUG
-    String toString() const;
-#endif
-
 private:
     int m_width, m_height;
 };
 
 inline IntSize& operator+=(IntSize& a, const IntSize& b)
 {
     a.setWidth(a.width() + b.width());
     a.setHeight(a.height() + b.height());
     return a;
 }
@@ skipping 23 matching lines @@
 inline bool operator==(const IntSize& a, const IntSize& b)
 {
     return a.width() == b.width() && a.height() == b.height();
 }
 
 inline bool operator!=(const IntSize& a, const IntSize& b)
 {
     return a.width() != b.width() || a.height() != b.height();
 }
 
+PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, const IntSize&);
+
 } // namespace blink
 
 #endif // IntSize_h