Don't move cursor location when rotation /ui scaling has changed

ash/display/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_DISPLAY_MANAGER_H_
 #define ASH_DISPLAY_DISPLAY_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 175 matching lines @@
   void Init();
   void CycleDisplayImpl();
   void ScaleDisplayImpl();
 
   gfx::Display& FindDisplayForRootWindow(const aura::RootWindow* root);
   gfx::Display& FindDisplayForId(int64 id);
 
   // Refer to |CreateDisplayFromSpec| API for the format of |spec|.
   void AddDisplayFromSpec(const std::string& spec);
 
-  // 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();
-
   // Inserts and update the DisplayInfo according to the overscan
   // state. Note that The DisplayInfo stored in the |internal_display_info_|
   // can be different from |new_info| (due to overscan state), so
   // you must use |GetDisplayInfo| to get the correct DisplayInfo for
   // a display.
   void InsertAndUpdateDisplayInfo(const DisplayInfo& new_info);
 
   // Creates a display object from the DisplayInfo for |display_id|.
   gfx::Display CreateDisplayFromDisplayInfoById(int64 display_id);
 
@@ skipping 20 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(DisplayManager);
 };
 
 extern const aura::WindowProperty<int64>* const kDisplayIdKey;
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_MANAGER_H_