Add more tests for mouse rotation,scale&position after display change

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 120 matching lines @@
   // mode, this return a RootWindowController for the primary root window only.
   std::vector<RootWindowController*> GetAllRootWindowControllers();
 
   // Gets/Sets/Clears the overscan insets for the specified |display_id|. See
   // display_manager.h for the details.
   gfx::Insets GetOverscanInsets(int64 display_id) const;
   void SetOverscanInsets(int64 display_id, const gfx::Insets& insets_in_dip);
 
   // Checks if the mouse pointer is on one of displays, and moves to
   // the center of the nearest display if it's outside of all displays.
-  void EnsurePointerInDisplays();
+  void UpdateMouseLocationAfterDisplayChange();
 
   // Sets the work area's |insets| to the display assigned to |window|.
   bool UpdateWorkAreaOfDisplayNearestWindow(const aura::Window* window,
                                             const gfx::Insets& insets);
   // gfx::DisplayObserver overrides:
   void OnDisplayAdded(const gfx::Display& display) override;
   void OnDisplayRemoved(const gfx::Display& display) override;
   void OnDisplayMetricsChanged(const gfx::Display& display,
                                uint32_t metrics) override;
 
@@ skipping 71 matching lines @@
   int64 cursor_display_id_for_restore_;
 
   base::WeakPtrFactory<DisplayController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_CONTROLLER_H_