native_viewport support for ozone

mojo/services/ozone_drm_gpu/public/interfaces/ozone_drm_gpu.mojom

+// 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.
+
+module mojo;
+
+import "geometry/public/interfaces/geometry.mojom";
+
+enum DisplayType {
+  NONE = 0,
+  UNKNOWN = 1,
+  INTERNAL = 2,
+  VGA = 4,
+  HDMI = 8,
+  DVI = 16,
+  DISPLAYPORT = 32,
+  NETWORK = 64,
+  LAST = NETWORK
+};
+
+struct DisplayMode {
+  Size size;
+  bool is_interlaced;
+  float refresh_rate;
+};
+
+struct DisplaySnapshot {
+  // The internal display identifier.
+  int64 display_id;
+  Point origin;
+  Size physical_size;
+  DisplayType type;
+  bool has_current_mode;
+  bool has_native_mode;
+  array<DisplayMode> modes;
+  // The mode currently active on this display.
+  // TODO(cstout): can this be just an index into the modes array?
+  DisplayMode current_mode;
+  // The display's native mode.
+  // TODO(cstout): can this be just an index into the modes array?
+  DisplayMode native_mode;
+  // The identifier for the model of the display.
+  int64 product_id;
+  string string_representation;
+};
+
+interface OzoneDrmGpu {
+  AddGraphicsDevice(string file_path, int32 file_descriptor);
+  CreateWindow(int64 widget);
+  WindowBoundsChanged(int64 widget, Rect bounds);
+
+  RefreshNativeDisplays();
+  ConfigureNativeDisplay(int64 id, DisplayMode mode, Point originhost);
+};