Move cursor when it's hidden so that UX can update correctly

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_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 320 matching lines @@
   void DispatchHeldMouseMove();
 
   // Parses the switch describing the initial size for the host window and
   // returns bounds for the window.
   gfx::Rect GetInitialHostWindowBounds() const;
 
   // Posts a task to send synthesized mouse move event if there
   // is no a pending task.
   void PostMouseMoveEventAfterWindowChange();
 
+  // Creates and dispatches synthesized mouse event using the
+  // current mouse location, if specified by |use_current_position| other wise
+  // passes an offscreen location of (-1, -1).
+  void SynthesizeMouseEvent(ui::EventType event_type,
+                            bool use_current_position);
+
   // Creates and dispatches synthesized mouse move event using the
   // current mouse location.
   void SynthesizeMouseMoveEvent();
 
   // Called by CompositorLock.
   void UnlockCompositor();
 
   scoped_ptr<ui::Compositor> compositor_;
 
   scoped_ptr<RootWindowHost> host_;
@@ skipping 46 matching lines @@
 
   CompositorLock* compositor_lock_;
   bool draw_on_compositor_unlock_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindow);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_ROOT_WINDOW_H_