Index: ui/aura/mus/window_tree_client.cc |
diff --git a/ui/aura/mus/window_tree_client.cc b/ui/aura/mus/window_tree_client.cc |
index 9b93c51aa52c4206e39da9f44e89475a51a30b5f..115c14ac4c149ba79c922c02e94481077a1c34ee 100644 |
--- a/ui/aura/mus/window_tree_client.cc |
+++ b/ui/aura/mus/window_tree_client.cc |
@@ -1601,8 +1601,10 @@ void WindowTreeClient::SetFrameDecorationValues( |
void WindowTreeClient::SetNonClientCursor(Window* window, |
ui::mojom::Cursor cursor_id) { |
- window_manager_internal_client_->WmSetNonClientCursor( |
- WindowMus::Get(window)->server_id(), cursor_id); |
+ if (window_manager_internal_client_) { |
+ window_manager_internal_client_->WmSetNonClientCursor( |
+ WindowMus::Get(window)->server_id(), cursor_id); |
+ } |
} |
void WindowTreeClient::AddAccelerators( |