Make DisplayInfo::Copy() copy over DisplayInfo::is_aspect_preserving_scaling_

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 261 matching lines @@
   bool clear_overscan_insets_;
 
   // The list of modes supported by this display.
   std::vector<DisplayMode> display_modes_;
 
   // 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_;
+
+  // If you add a new member, you need to update Copy().

[oshima, 2015/01/30 18:06:38]

I couldn't think of a good way either. lgtm

 };
 
 }  // namespace ash
 
 #endif  //  ASH_DISPLAY_DISPLAY_INFO_H_