Convert ozone/drm DisplaySnapshot_Param to DisplaySnapshotMojo

ui/ozone/platform/drm/common/display_types.h

Index: ui/ozone/platform/drm/common/display_types.h
diff --git a/ui/ozone/platform/drm/common/display_types.h b/ui/ozone/platform/drm/common/display_types.h
new file mode 100644
index 0000000000000000000000000000000000000000..5d0b1acf653c9c890e930dffe27b0e8cb4f191ea
--- /dev/null
+++ b/ui/ozone/platform/drm/common/display_types.h
@@ -0,0 +1,19 @@
+// 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_OZONE_PLATFORM_DRM_COMMON_DISPLAY_TYPES_H_
+#define UI_OZONE_PLATFORM_DRM_COMMON_DISPLAY_TYPES_H_
+
+namespace display {
+class DisplaySnapshotMojo;
+}  // namespace display
+
+namespace ui {
+
+using MovableDisplaySnapshots =
+    std::vector<std::unique_ptr<display::DisplaySnapshotMojo>>;
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_DRM_COMMON_DISPLAY_TYPES_H_