/usr/include/mongo/base/ is in mongodb-dev 1:2.4.9-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/mongo/base/configuration_variable_manager.h
/usr/include/mongo/base/counter.h
/usr/include/mongo/base/disallow_copying.h
/usr/include/mongo/base/error_codes.h
/usr/include/mongo/base/global_initializer.h
/usr/include/mongo/base/global_initializer_registerer.h
/usr/include/mongo/base/init.h
/usr/include/mongo/base/initializer.h
/usr/include/mongo/base/initializer_context.h
/usr/include/mongo/base/initializer_dependency_graph.h
/usr/include/mongo/base/initializer_function.h
/usr/include/mongo/base/make_string_vector.h
/usr/include/mongo/base/owned_pointer_map.h
/usr/include/mongo/base/owned_pointer_vector.h
/usr/include/mongo/base/parse_number.h
/usr/include/mongo/base/status.h
/usr/include/mongo/base/string_data-inl.h
/usr/include/mongo/base/string_data.h