Function ShouldCheckNamespaceIndentation

This method determines if we should apply our namespace indentation check. Args: nesting_state: The current nesting state. is_namespace_indent_item: If we just put a new class on the stack, True. If the top of the stack is not a class, or we did not recently add the class, Fal

(nesting_state, is_namespace_indent_item,
                                    raw_lines_no_comments, linenum)