Write mojom and StructTraits for DisplaySnapshot.

ui/display/mojo/display_snapshot_mojo.mojom

+// 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.
+
+module display.mojom;
+
+import "mojo/common/file_path.mojom";
+import "ui/display/mojo/display_constants.mojom";
+import "ui/display/mojo/display_mode.mojom";
+import "ui/gfx/geometry/mojo/geometry.mojom";
+
+// Corresponds to display::DisplaySnapshotMojo.
+struct DisplaySnapshotMojo {

[rjkroege, 2017/02/17 03:03:51]

you will tear out the innards of display::DisplaySnapshot and replace with an
instance of this in a future CL? Or something that accomplishes the same goal?

[thanhph1, 2017/02/21 16:52:17]

That sounds good to me!

+  int64 display_id;
+  gfx.mojom.Point origin;
+  gfx.mojom.Size physical_size;
+  display.mojom.DisplayConnectionType type;
+  bool is_aspect_preserving_scaling;
+  bool has_overscan;
+  bool has_color_correction_matrix;
+  string display_name;
+  mojo.common.mojom.FilePath sys_path;
+  array<display.mojom.DisplayMode> modes;
+  array<uint8> edid;
+  uint64 current_mode_index;
+  bool has_current_mode;
+  uint64 native_mode_index;
+  bool has_native_mode;
+  int64 product_id;
+  gfx.mojom.Size maximum_cursor_size;
+};