ash: Get output info from chromeos instead of XRandR.

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 142 matching lines @@
   float device_scale_factor_;
   gfx::Rect bounds_in_pixel_;
   // The size of the display in use. The size can be different from the size
   // of |bounds_in_pixel_| if the display has overscan insets and/or rotation.
   gfx::Size size_in_pixel_;
   gfx::Insets overscan_insets_in_dip_;
 
   // UI scale of the display.
   float ui_scale_;
 
-  // True if this comes from native platform (DisplayChangeObserverX11).
+  // True if this comes from native platform (DisplayChangeObserver).
   bool native_;
 
   // The list of resolutions supported by this display.
   std::vector<Resolution> resolutions_;
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  //  ASH_DISPLAY_DISPLAY_INFO_H_