X11: Remove calls to XSelectInput

ui/views/widget/desktop_aura/x11_desktop_handler.h

Index: ui/views/widget/desktop_aura/x11_desktop_handler.h
diff --git a/ui/views/widget/desktop_aura/x11_desktop_handler.h b/ui/views/widget/desktop_aura/x11_desktop_handler.h
index 63ddf5af726a6587568c437731ba36d089c81ae4..06d78ba89412365329cb89ad7b74270479f0e976 100644
--- a/ui/views/widget/desktop_aura/x11_desktop_handler.h
+++ b/ui/views/widget/desktop_aura/x11_desktop_handler.h
@@ -26,6 +26,10 @@ namespace base {
 template <typename T> struct DefaultSingletonTraits;
 }
 
+namespace ui {
+class XScopedEventSelector;
+}
+
 namespace views {
 
 // A singleton that owns global objects related to the desktop and listens for
@@ -69,6 +73,9 @@ class VIEWS_EXPORT X11DesktopHandler : public ui::PlatformEventDispatcher,
   // The native root window.
   ::Window x_root_window_;
 
+  // Events selected on x_root_window_.
+  std::unique_ptr<ui::XScopedEventSelector> x_root_window_events_;
+
   ui::X11AtomCache atom_cache_;
 
   base::ObserverList<X11DesktopHandlerObserver> observers_;