Removes grab input window and extra grab and ungrab in X11WholeScreenMoveLoop

ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h

Index: ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h
diff --git a/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h b/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h
index 35a4ee9fafa70a676a82d060bb091356948b3b79..eb35121ddbf1e4ccd06bbfb9e8be22236394ea39 100644
--- a/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h
+++ b/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h
@@ -149,6 +149,9 @@ class VIEWS_EXPORT DesktopDragDropClientAuraX11
   // 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.
@@ -166,6 +169,12 @@ class VIEWS_EXPORT DesktopDragDropClientAuraX11
   // server.
   void SendXClientEvent(::Window xid, XEvent* xev);
 
+  // Sets an image to be used during the drag.
+  void SetDragImage(const gfx::ImageSkia& image, gfx::Vector2dF offset);
+
+  // Creates a window to show the drag image during the drag.
+  void CreateDragImageWindow();
+
   // A nested message loop that notifies this object of events through the
   // X11WholeScreenMoveLoopDelegate interface.
   X11WholeScreenMoveLoop move_loop_;
@@ -231,6 +240,12 @@ class VIEWS_EXPORT DesktopDragDropClientAuraX11
   gfx::NativeCursor copy_grab_cursor_;
   gfx::NativeCursor move_grab_cursor_;
 
+  // A Widget is created during the drag if there is an image available to be
+  // used during the drag.
+  scoped_ptr<Widget> drag_widget_;
+  gfx::ImageSkia drag_image_;
+  gfx::Vector2dF drag_offset_;
+
   base::WeakPtrFactory<DesktopDragDropClientAuraX11> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopDragDropClientAuraX11);