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

ash/display/cursor_window_controller.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_CURSOR_WINDOW_CONTROLLER_H_
 #define ASH_DISPLAY_CURSOR_WINDOW_CONTROLLER_H_
 
 #include "ui/aura/window.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/gfx/display.h"
 
 namespace ash {
 namespace test {
 class MirrorWindowTestApi;
 }
 
+class CursorWindowControllerTest;
 class CursorWindowDelegate;
 
 // Draws a mouse cursor on a given container window.
 // When cursor compositing is disabled, CursorWindowController is responsible
 // to scale and rotate the mouse cursor bitmap to match settings of the
 // primary display.
 // When cursor compositing is enabled, just draw the cursor as-is.
 class CursorWindowController {
  public:
   CursorWindowController();
@@ skipping 13 matching lines @@
   // Only applicable when cursor compositing is enabled.
   void SetDisplay(const gfx::Display& display);
 
   // Sets cursor location, shape, set and visibility.
   void UpdateLocation();
   void SetCursor(gfx::NativeCursor cursor);
   void SetCursorSet(ui::CursorSetType);
   void SetVisibility(bool visible);
 
  private:
+  friend class CursorWindowControllerTest;
   friend class test::MirrorWindowTestApi;
 
   // Sets the container window for the cursor window controller.
   // Closes the cursor window if |container| is NULL.
   void SetContainer(aura::Window* container);
 
   // Sets the bounds of the container in screen coordinates.
   void SetBoundsInScreen(const gfx::Rect& bounds);
 
   // Updates cursor image based on current cursor state.
   void UpdateCursorImage();
 
   bool is_cursor_compositing_enabled_;
   aura::Window* container_;
 
   // The bounds of the container in screen coordinates.
   gfx::Rect bounds_in_screen_;
 
   // The native_type of the cursor, see definitions in cursor.h
   int cursor_type_;
 
   ui::CursorSetType cursor_set_;
-  gfx::Display::Rotation cursor_rotation_;
   gfx::Point hot_point_;
 
   // The display on which the cursor is drawn.
   // For mirroring mode, the display is always the primary display.
   gfx::Display display_;
 
   scoped_ptr<aura::Window> cursor_window_;
   scoped_ptr<CursorWindowDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(CursorWindowController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_CURSOR_WINDOW_CONTROLLER_H_