no, when nsWindow::Create is called, nsWindow::CreateRootAccessible tries to get the accesible with nsWindow::DispatchAccessibleEvent, but at nsWebShellWindow::HandleEvent docShell is null, so it never calls to presShell->HandleEventWithTarget for getting the accessible.
no, when nsWindow::Create is called, nsWindow: :CreateRootAcce ssible tries to get the accesible with nsWindow: :DispatchAccess ibleEvent, but at nsWebShellWindo w::HandleEvent docShell is null, so it never calls to presShell- >HandleEventWit hTarget for getting the accessible.