Overscan calibration UI.

ash/display/multi_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_MULTI_DISPLAY_MANAGER_H_
 #define ASH_DISPLAY_MULTI_DISPLAY_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 60 matching lines @@
   // Returns invalid display if there is no display that can satisfy
   // the condition.
   const gfx::Display& FindDisplayContainingPoint(
       const gfx::Point& point_in_screen) const;
 
   // Registers the overscan insets for the display of the specified ID. Note
   // that the insets size should be specified in DIP size. It also triggers the
   // display's bounds change.
   void SetOverscanInsets(int64 display_id, const gfx::Insets& insets_in_dip);
 
+  // Returns the current overscan insets for the specified |display_id|.
+  // Returns an empty insets (0, 0, 0, 0) if no insets are specified for
+  // the display.
+  gfx::Insets GetOverscanInsets(int64 display_id) const;
+
   // DisplayManager overrides:
   virtual void OnNativeDisplaysChanged(
       const std::vector<gfx::Display>& displays) OVERRIDE;
   virtual aura::RootWindow* CreateRootWindowForDisplay(
       const gfx::Display& display) OVERRIDE;
   virtual gfx::Display* GetDisplayAt(size_t index) OVERRIDE;
 
   virtual size_t GetNumDisplays() const OVERRIDE;
   virtual const gfx::Display& GetDisplayNearestPoint(
       const gfx::Point& point) const OVERRIDE;
@@ skipping 52 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(MultiDisplayManager);
 };
 
 extern const aura::WindowProperty<int64>* const kDisplayIdKey;
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_MULTI_DISPLAY_MANAGER_H_