Overscan calibration UI.

ash/display/display_controller.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_CONTROLLER_H_
 #define ASH_DISPLAY_DISPLAY_CONTROLLER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 107 matching lines @@
   void CloseChildWindows();
 
   // Returns all root windows. In non extended desktop mode, this
   // returns the primary root window only.
   std::vector<aura::RootWindow*> GetAllRootWindows();
 
   // Returns all oot window controllers. In non extended desktop
   // mode, this return a RootWindowController for the primary root window only.
   std::vector<internal::RootWindowController*> GetAllRootWindowControllers();
 
+  // Returns the current overscan insets for the specified |display_id|. See
+  // multi_display_manager.h for the details.
+  gfx::Insets GetOverscanInsets(int64 display_id) const;
+
   const DisplayLayout& default_display_layout() const {
     return default_display_layout_;
   }
   void SetDefaultDisplayLayout(const DisplayLayout& layout);
 
   // Sets/gets the display layout for the specified display or display
   // name.  Getter returns the default value in case it doesn't have
   // its own layout yet.
   void SetLayoutForDisplayName(const std::string& name,
                                const DisplayLayout& layout);
@@ skipping 31 matching lines @@
   int64 desired_primary_display_id_;
 
   ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_CONTROLLER_H_