Create mojom and StructTraits for ui/display/types/display_mode.cc

ui/display/mojo/display_mode_struct_traits.h

Index: ui/display/mojo/display_mode_struct_traits.h
diff --git a/ui/display/mojo/display_mode_struct_traits.h b/ui/display/mojo/display_mode_struct_traits.h
new file mode 100644
index 0000000000000000000000000000000000000000..8d7d2bc08c42308841978b1bcffa6988435b9d90
--- /dev/null
+++ b/ui/display/mojo/display_mode_struct_traits.h
@@ -0,0 +1,45 @@
+// Copyright 2017 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 UI_DISPLAY_MOJO_DISPLAY_MODE_STRUCT_TRAITS_H_
+#define UI_DISPLAY_MOJO_DISPLAY_MODE_STRUCT_TRAITS_H_
+
+#include "ui/display/types/display_mode.h"
+#include "ui/display/mojo/display_mode.mojom.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<display::mojom::DisplayModeDataView,
+                    std::unique_ptr<display::DisplayMode>> {
+  static const gfx::Size& size(
+      const std::unique_ptr<display::DisplayMode>& display_mode) {
+    return display_mode->size();
+  }
+
+  static bool is_interlaced(
+      const std::unique_ptr<display::DisplayMode>& display_mode) {
+    return display_mode->is_interlaced();
+  }
+
+  static float refresh_rate(
+      const std::unique_ptr<display::DisplayMode>& display_mode) {
+    return display_mode->refresh_rate();
+  }
+
+  static bool Read(display::mojom::DisplayModeDataView data,
+                   std::unique_ptr<display::DisplayMode>* out) {
+    gfx::Size size;
+    if (!data.ReadSize(&size))
+      return false;
+    *out = base::MakeUnique<display::DisplayMode>(size, data.is_interlaced(),
+                                                  data.refresh_rate());
+    return true;
+  }
+};
+
+}  // namespace mojo
+
+#endif  // UI_DISPLAY_MOJO_DISPLAY_MODE_STRUCT_TRAITS_H_