Fix grabbing capture when the mouse is pressed on Desktop Linux.

ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc

Index: ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc
diff --git a/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc b/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc
index 64433279ad50c3849b9ea918a7772e93a39d9e6a..57ccca2898e389b7a30ea638710b0f4eaef32c74 100644
--- a/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc
+++ b/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc
@@ -656,7 +656,8 @@ int DesktopDragDropClientAuraX11::StartDragAndDrop(
   // Windows has a specific method, DoDragDrop(), which performs the entire
   // drag. We have to emulate this, so we spin off a nested runloop which will
   // track all cursor movement and reroute events to a specific handler.
-  move_loop_->RunMoveLoop(source_window, grab_cursor_);
+  move_loop_->RunMoveLoop(source_window);
+  move_loop_->UpdateCursor(grab_cursor_);
 
   if (alive) {
     drag_widget_.reset();