Mojo C++ bindings: make String16 and gfx::Size available in Blink

third_party/WebKit/Source/platform/mojo/GeometryStructTraits.h

+// Copyright 2016 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 GeometryStructTraits_h
+#define GeometryStructTraits_h
+
+#include "platform/PlatformExport.h"
+#include "ui/gfx/geometry/mojo/geometry.mojom-blink.h"
+
+namespace mojo {
+
+template <>
+struct PLATFORM_EXPORT
+    StructTraits<gfx::mojom::blink::Size::DataView, ::blink::WebSize> {
+  static int width(const ::blink::WebSize& size) { return size.width; }
+  static int height(const ::blink::WebSize& size) { return size.height; }
+  static bool Read(gfx::mojom::blink::Size::DataView, ::blink::WebSize* out);
+};
+
+}  // namespace mojo
+
+#endif  // GeometryStructTraits_h