/usr/include/pcl-1.7/pcl/surface/impl/ is in libpcl-dev 1.7.2-14build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/pcl-1.7/pcl/surface/impl/bilateral_upsampling.hpp
/usr/include/pcl-1.7/pcl/surface/impl/concave_hull.hpp
/usr/include/pcl-1.7/pcl/surface/impl/convex_hull.hpp
/usr/include/pcl-1.7/pcl/surface/impl/gp3.hpp
/usr/include/pcl-1.7/pcl/surface/impl/grid_projection.hpp
/usr/include/pcl-1.7/pcl/surface/impl/marching_cubes.hpp
/usr/include/pcl-1.7/pcl/surface/impl/marching_cubes_hoppe.hpp
/usr/include/pcl-1.7/pcl/surface/impl/marching_cubes_rbf.hpp
/usr/include/pcl-1.7/pcl/surface/impl/mls.hpp
/usr/include/pcl-1.7/pcl/surface/impl/organized_fast_mesh.hpp
/usr/include/pcl-1.7/pcl/surface/impl/poisson.hpp
/usr/include/pcl-1.7/pcl/surface/impl/processing.hpp
/usr/include/pcl-1.7/pcl/surface/impl/reconstruction.hpp
/usr/include/pcl-1.7/pcl/surface/impl/surfel_smoothing.hpp
/usr/include/pcl-1.7/pcl/surface/impl/texture_mapping.hpp