Removes grab input window and extra grab and ungrab in X11WholeScreenMoveLoop

ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.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_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_DRAG_DROP_CLIENT_AURAX11_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_DRAG_DROP_CLIENT_AURAX11_H_
 
 #include <set>
 #include <X11/Xlib.h>
 
@@ skipping 131 matching lines @@
   // During the blocking StartDragAndDrop() call, this converts the views-style
   // |drag_operation_| bitfield into a vector of Atoms to offer to other
   // processes.
   std::vector< ::Atom> GetOfferedDragOperations();
 
   // This returns a representation of the data we're offering in this
   // drag. This is done to bypass an asynchronous roundtrip with the X11
   // server.
   ui::SelectionFormatMap GetFormatMap() const;
 
+  // Updates the cursor by re-grabbing the pointer while in the move loop.
+  void UpdateCursor();
+
   // Handling XdndPosition can be paused while waiting for more data; this is
   // called either synchronously from OnXdndPosition, or asynchronously after
   // we've received data requested from the other window.
   void CompleteXdndPosition(::Window source_window,
                             const gfx::Point& screen_point);
 
   void SendXdndEnter(::Window dest_window);
   void SendXdndLeave(::Window dest_window);
   void SendXdndPosition(::Window dest_window,
                         const gfx::Point& screen_point,
@@ skipping 70 matching lines @@
   gfx::NativeCursor move_grab_cursor_;
 
   base::WeakPtrFactory<DesktopDragDropClientAuraX11> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopDragDropClientAuraX11);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_DRAG_DROP_CLIENT_AURAX11_H_