Add Double{Size, Point, Rect} pretty printers for logging and testing

third_party/WebKit/Source/platform/testing/GeometryPrinters.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GeometryPrinters_h
 #define GeometryPrinters_h
 
 #include "platform/geometry/FloatRoundedRect.h"
 #include <iosfwd>
 
 namespace blink {
 
+class DoublePoint;
+class DoubleRect;
+class DoubleSize;
 class FloatBox;
 class FloatPoint;
 class FloatPoint3D;
 class FloatQuad;
 class FloatRect;
 class FloatSize;
 class IntPoint;
 class IntRect;
 class IntSize;
 class LayoutPoint;
 class LayoutRect;
 class LayoutSize;
 
 // GTest print support for geometry classes.
 //
 // To avoid ODR violations, these should also be declared in the respective
 // headers defining these types. This is required because otherwise a template
 // instantiation may be instantiated differently, depending on whether this
 // declaration is found.
 //
 // As a result, it is not necessary to include this file in tests in order to
 // use these printers. If, however, you get a link error about these symbols,
 // you need to make sure the blink_platform_test_support target is linked in
 // your unit test binary.
+void PrintTo(const DoublePoint&, std::ostream*);
+void PrintTo(const DoubleRect&, std::ostream*);
+void PrintTo(const DoubleSize&, std::ostream*);
 void PrintTo(const FloatBox&, std::ostream*);
 void PrintTo(const FloatPoint&, std::ostream*);
 void PrintTo(const FloatPoint3D&, std::ostream*);
 void PrintTo(const FloatQuad&, std::ostream*);
 void PrintTo(const FloatRect&, std::ostream*);
 void PrintTo(const FloatRoundedRect&, std::ostream*);
 void PrintTo(const FloatRoundedRect::Radii&, std::ostream*);
 void PrintTo(const FloatSize&, std::ostream*);
 void PrintTo(const IntPoint&, std::ostream*);
 void PrintTo(const IntRect&, std::ostream*);
 void PrintTo(const IntSize&, std::ostream*);
 void PrintTo(const LayoutPoint&, std::ostream*);
 void PrintTo(const LayoutRect&, std::ostream*);
 void PrintTo(const LayoutSize&, std::ostream*);
 
 } // namespace blink
 
 #endif // GeometryPrinters_h