Extend the geometry APIs.

mojo/services/geometry/cpp/formatting.h

Index: mojo/services/geometry/cpp/formatting.h
diff --git a/mojo/services/geometry/cpp/formatting.h b/mojo/services/geometry/cpp/formatting.h
new file mode 100644
index 0000000000000000000000000000000000000000..0942f2f1a9611f7df10360f013f0c59f8beb55c2
--- /dev/null
+++ b/mojo/services/geometry/cpp/formatting.h
@@ -0,0 +1,21 @@
+// 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 MOJO_SERVICES_GEOMETRY_CPP_FORMATTING_H_
+#define MOJO_SERVICES_GEOMETRY_CPP_FORMATTING_H_
+
+#include "mojo/public/cpp/bindings/formatting.h"
+#include "mojo/services/geometry/interfaces/geometry.mojom.h"
+
+namespace mojo {
+
+std::ostream& operator<<(std::ostream& os, const mojo::Point& value);
+std::ostream& operator<<(std::ostream& os, const mojo::Size& value);
+std::ostream& operator<<(std::ostream& os, const mojo::Rect& value);
+std::ostream& operator<<(std::ostream& os, const mojo::RRect& value);
+std::ostream& operator<<(std::ostream& os, const mojo::Transform& value);
+
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_GEOMETRY_CPP_FORMATTING_H_