[Cleanup] Remove unused static methods

ash/display/screen_ash.h

 // Copyright 2014 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_SCREEN_ASH_H_
 #define ASH_DISPLAY_SCREEN_ASH_H_
 
 #include "ash/ash_export.h"
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
 #include "ui/gfx/display_observer.h"
 #include "ui/gfx/screen.h"
 
 namespace gfx {
 class Rect;
 }
 
 namespace ash {
 namespace  internal {
 class DisplayManager;
 }
 
 // Aura implementation of gfx::Screen. Implemented here to avoid circular
 // dependencies.
 class ASH_EXPORT ScreenAsh : public gfx::Screen {
  public:
   ScreenAsh();
   ~ScreenAsh() override;
 
-  // Finds the display that contains |point| in screeen coordinates.
-  // Returns invalid display if there is no display that can satisfy
-  // the condition.
-  static gfx::Display FindDisplayContainingPoint(const gfx::Point& point);
-
-  // Returns the bounds for maximized windows in parent coordinates.
-  // Maximized windows trigger auto-hiding the shelf.
-  static gfx::Rect GetMaximizedWindowBoundsInParent(aura::Window* window);
-
-  // Returns the display bounds in parent coordinates.
-  static gfx::Rect GetDisplayBoundsInParent(aura::Window* window);
-
-  // Returns the display's work area bounds in parent coordinates.
-  static gfx::Rect GetDisplayWorkAreaBoundsInParent(aura::Window* window);
-
-  // Converts |rect| from |window|'s coordinates to the virtual screen
-  // coordinates.
-  static gfx::Rect ConvertRectToScreen(aura::Window* window,
-                                       const gfx::Rect& rect);
-
-  // Converts |rect| from virtual screen coordinates to the |window|'s
-  // coordinates.
-  static gfx::Rect ConvertRectFromScreen(aura::Window* window,
-                                         const gfx::Rect& rect);
-
-  // Returns a gfx::Display object for secondary display. Returns
-  // invalid display if there is no secondary display connected.
-  static const gfx::Display& GetSecondaryDisplay();
-
-  // Returns a gfx::Display object for the specified id.  Returns
-  // invalid display if no such display is connected.
-  static const gfx::Display& GetDisplayForId(int64 display_id);
-
   // gfx::Screen overrides:
   gfx::Point GetCursorScreenPoint() override;
   gfx::NativeWindow GetWindowUnderCursor() override;
   gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override;
   int GetNumDisplays() const override;
   std::vector<gfx::Display> GetAllDisplays() const override;
   gfx::Display GetDisplayNearestWindow(gfx::NativeView view) const override;
   gfx::Display GetDisplayNearestPoint(const gfx::Point& point) const override;
   gfx::Display GetDisplayMatching(const gfx::Rect& match_rect) const override;
   gfx::Display GetPrimaryDisplay() const override;
@@ skipping 13 matching lines @@
   gfx::Screen* CloneForShutdown();
 
   ObserverList<gfx::DisplayObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenAsh);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_SCREEN_ASH_H_