Aura: Add Window::MoveCursorTo() taking relative location to the window.

ui/aura/root_window.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 UI_AURA_ROOT_WINDOW_H_
 #define UI_AURA_ROOT_WINDOW_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 108 matching lines @@
   // Sets the currently-displayed cursor. If the cursor was previously hidden
   // via ShowCursor(false), it will remain hidden until ShowCursor(true) is
   // called, at which point the cursor that was last set via SetCursor() will be
   // used.
   void SetCursor(gfx::NativeCursor cursor);
 
   // Shows or hides the cursor.
   void ShowCursor(bool show);
 
   // Moves the cursor to the specified location relative to the root window.
-  void MoveCursorTo(const gfx::Point& location);
+  virtual void MoveCursorTo(const gfx::Point& location) OVERRIDE;
 
   // Clips the cursor movement to the root_window.
   bool ConfineCursorToWindow();
 
   // Draws the necessary set of windows.
   void Draw();
 
   // Draw the whole screen.
   void ScheduleFullDraw();
 
@@ skipping 254 matching lines @@
 
   CompositorLock* compositor_lock_;
   bool draw_on_compositor_unlock_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindow);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_ROOT_WINDOW_H_