/usr/include/dolfin/adaptivity/ is in libdolfin-dev 1.4.0+dfsg-4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/dolfin/adaptivity/AdaptiveLinearVariationalSolver.h
/usr/include/dolfin/adaptivity/AdaptiveNonlinearVariationalSolver.h
/usr/include/dolfin/adaptivity/ErrorControl.h
/usr/include/dolfin/adaptivity/Extrapolation.h
/usr/include/dolfin/adaptivity/GenericAdaptiveVariationalSolver.h
/usr/include/dolfin/adaptivity/GoalFunctional.h
/usr/include/dolfin/adaptivity/LocalAssembler.h
/usr/include/dolfin/adaptivity/TimeSeries.h
/usr/include/dolfin/adaptivity/TimeSeriesHDF5.h
/usr/include/dolfin/adaptivity/adapt.h
/usr/include/dolfin/adaptivity/adaptivesolve.h
/usr/include/dolfin/adaptivity/dolfin_adaptivity.h
/usr/include/dolfin/adaptivity/marking.h