X11: Remove calls to XSelectInput

ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h

Index: ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
diff --git a/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h b/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
index c1eb5515ef88124b8657646d17060a5f8d7a5a6c..7ab2dfc8cdee21ef2b2159b902cce3c31b8b35a1 100644
--- a/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
+++ b/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
@@ -27,6 +27,7 @@ class Window;
 namespace ui {
 class MouseEvent;
 class ScopedEventDispatcher;
+class XScopedEventSelector;
 }
 
 namespace views {
@@ -58,7 +59,7 @@ class X11WholeScreenMoveLoop : public X11MoveLoop,
   void GrabEscKey();
 
   // Creates an input-only window to be used during the drag.
-  XID CreateDragInputWindow(XDisplay* display);
+  void CreateDragInputWindow(XDisplay* display);
 
   // Dispatch mouse movement event to |delegate_| in a posted task.
   void DispatchMouseMovement();
@@ -79,6 +80,9 @@ class X11WholeScreenMoveLoop : public X11MoveLoop,
   // are set on this window.
   XID grab_input_window_;
 
+  // Events selected on |grab_input_window_|.
+  std::unique_ptr<ui::XScopedEventSelector> grab_input_window_events_;
+
   // Whether the pointer was grabbed on |grab_input_window_|.
   bool grabbed_pointer_;