RootContentNode.free(): The combo root page is the original in the document DOM, not a clone like the other node pages, so don't .remove() it.
RootContentNode.free(): The combo root page is the original in the document
DOM, not a clone like the other node pages, so don't .remove() it.

content_node_manager.get_combo_root(): Frequent activity.

SpiderOak/so_client_html5,SpiderOak/so_client_html5