Use OutputConfigurator::SetDislpayMode for ctrl-fullscreen

ash/display/display_manager.h

 // Copyright (c) 2012 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_MANAGER_H_
 #define ASH_DISPLAY_DISPLAY_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 104 matching lines @@
   const gfx::Display* GetPrimaryDisplayCandidate() const;
 
   // Returns the logical number of displays. This returns 1
   // when displays are mirrored.
   size_t GetNumDisplays() const;
 
   // Returns the number of connected displays. This returns 2
   // when displays are mirrored.
   size_t num_connected_displays() const { return num_connected_displays_; }
 
+  // Returns the mirroring status.
+  bool IsMirrored() const;
   int64 mirrored_display_id() const { return mirrored_display_id_; }
 
   // Returns the display object nearest given |window|.
   const gfx::Display& GetDisplayNearestPoint(
       const gfx::Point& point) const;
 
   // Returns the display object nearest given |point|.
   const gfx::Display& GetDisplayNearestWindow(
       const aura::Window* window) const;
 
@@ skipping 79 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(DisplayManager);
 };
 
 extern const aura::WindowProperty<int64>* const kDisplayIdKey;
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_MANAGER_H_