Add accelerometer support property to Display.

ui/display/manager/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 UI_DISPLAY_MANAGER_DISPLAY_MANAGER_H_
 #define UI_DISPLAY_MANAGER_DISPLAY_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 95 matching lines @@
   // When set to true, the DisplayManager calls OnDisplayMetricsChanged even if
   // the display's bounds didn't change. Used to swap primary display.
   void set_force_bounds_changed(bool force_bounds_changed) {
     force_bounds_changed_ = force_bounds_changed;
   }
 
   void set_configure_displays(bool configure_displays) {
     configure_displays_ = configure_displays;
   }
 
+  void set_internal_display_has_accelerometer(bool has_accelerometer) {
+    internal_display_has_accelerometer_ = has_accelerometer;
+  }
+
   // Returns the display id of the first display in the outupt list.
   int64_t first_display_id() const { return first_display_id_; }
 
   // Initializes displays using command line flag. Returns false if no command
   // line flag was provided.
   bool InitFromCommandLine();
 
   // Initialize default display.
   void InitDefaultDisplay();
 
@@ skipping 357 matching lines @@
   bool mirror_mode_for_metrics_ = false;
 
   // User preference for rotation lock of the internal display.
   bool registered_internal_display_rotation_lock_ = false;
 
   // User preference for the rotation of the internal display.
   Display::Rotation registered_internal_display_rotation_ = Display::ROTATE_0;
 
   bool unified_desktop_enabled_ = false;
 
+  bool internal_display_has_accelerometer_ = false;
+
   base::Closure created_mirror_window_;
 
   base::ObserverList<DisplayObserver> observers_;
 
   base::WeakPtrFactory<DisplayManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayManager);
 };
 
 }  // namespace display
 
 #endif  // UI_DISPLAY_MANAGER_DISPLAY_MANAGER_H_