Split ui/display types into separate module and have Ozone depend on it

ui/ozone/platform/dri/ozone_platform_dri.h

 // Copyright 2013 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_DRI_OZONE_PLATFORM_DRI_H_
 #define UI_OZONE_PLATFORM_DRI_OZONE_PLATFORM_DRI_H_
 
 #include "ui/events/ozone/evdev/event_factory_evdev.h"
 #include "ui/gfx/ozone/dri/dri_surface_factory.h"
 #include "ui/ozone/ozone_platform.h"
 #include "ui/ozone/platform/dri/cursor_factory_evdev_dri.h"
 
 namespace ui {
 
 // OzonePlatform for Linux DRI (Direct Rendering Infrastructure)
 //
 // This platform is Linux without any display server (no X, wayland, or
 // anything). This means chrome alone owns the display and input devices.
 class OzonePlatformDri : public OzonePlatform {
  public:
   OzonePlatformDri();
   virtual ~OzonePlatformDri();
 
   virtual gfx::SurfaceFactoryOzone* GetSurfaceFactoryOzone() OVERRIDE;
   virtual ui::EventFactoryOzone* GetEventFactoryOzone() OVERRIDE;
   virtual ui::InputMethodContextFactoryOzone*
       GetInputMethodContextFactoryOzone() OVERRIDE;
   virtual ui::CursorFactoryOzone* GetCursorFactoryOzone() OVERRIDE;
+#if defined(OS_CHROMEOS)
+  virtual scoped_ptr<ui::NativeDisplayDelegate>
+      CreateNativeDisplayDelegate() OVERRIDE;
+#endif
 
  private:
   gfx::DriSurfaceFactory surface_factory_ozone_;
   ui::CursorFactoryEvdevDri cursor_factory_ozone_;
   ui::EventFactoryEvdev event_factory_ozone_;
   // This creates a minimal input context.
   ui::InputMethodContextFactoryOzone input_method_context_factory_ozone_;
 
   DISALLOW_COPY_AND_ASSIGN(OzonePlatformDri);
 };
 
 // Constructor hook for use in ozone_platform_list.cc
 OzonePlatform* CreateOzonePlatformDri();
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_OZONE_PLATFORM_DRI_H_