Moving input device hotplug event processing outside of ui/display

ash/display/display_info.h

 // Copyright (c) 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 ASH_DISPLAY_DISPLAY_INFO_H_
 #define ASH_DISPLAY_DISPLAY_INFO_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 158 matching lines @@
   void set_native(bool native) { native_ = native; }
   bool native() const { return native_; }
 
   const std::vector<DisplayMode>& display_modes() const {
     return display_modes_;
   }
   void set_display_modes(std::vector<DisplayMode>& display_modes) {
     display_modes_.swap(display_modes);
   }
 
+  // Returns the native mode size. If a native mode is not present, return an
+  // empty size.
+  gfx::Size GetNativeModeSize() const;
+
   ui::ColorCalibrationProfile color_profile() const {
     return color_profile_;
   }
 
   // Sets the color profile. It will ignore if the specified |profile| is not in
   // |available_color_profiles_|.
   void SetColorProfile(ui::ColorCalibrationProfile profile);
 
   // Returns true if |profile| is in |available_color_profiles_|.
   bool IsColorProfileAvailable(ui::ColorCalibrationProfile profile) const;
@@ skipping 70 matching lines @@
   // The current profile of the color calibration.
   ui::ColorCalibrationProfile color_profile_;
 
   // The list of available variations for the color calibration.
   std::vector<ui::ColorCalibrationProfile> available_color_profiles_;
 };
 
 }  // namespace ash
 
 #endif  //  ASH_DISPLAY_DISPLAY_INFO_H_