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

ui/aura/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_WINDOW_H_
 #define UI_AURA_WINDOW_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 195 matching lines @@
   Window* GetChildById(int id);
   const Window* GetChildById(int id) const;
 
   // Converts |point| from |source|'s coordinates to |target|'s. If |source| is
   // NULL, the function returns without modifying |point|. |target| cannot be
   // NULL.
   static void ConvertPointToWindow(const Window* source,
                                    const Window* target,
                                    gfx::Point* point);
 
+  // Moves the cursor to the specified location relative to the window.
+  virtual void MoveCursorTo(const gfx::Point& point_in_window);
+
   // Returns the cursor for the specified point, in window coordinates.
   gfx::NativeCursor GetCursor(const gfx::Point& point) const;
 
   // Window takes ownership of the EventFilter.
   void SetEventFilter(EventFilter* event_filter);
   EventFilter* event_filter() { return event_filter_.get(); }
 
   // Add/remove observer.
   void AddObserver(WindowObserver* observer);
   void RemoveObserver(WindowObserver* observer);
@@ skipping 244 matching lines @@
   };
 
   std::map<const void*, Value> prop_map_;
 
   DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_H_