/usr/ is in libunity-mir-dev 0.3+14.04.20140417-0ubuntu1.
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..
/usr/share/
/usr/share/doc/
/usr/share/doc/libunity-mir-dev/
/usr/share/doc/libunity-mir-dev/copyright
/usr/include/
/usr/include/unity-mir/
/usr/include/unity-mir/qmirserver.h
/usr/include/unity-mir/qmirserverapplication.h
/usr/include/unity-mir/shellserverconfiguration.h
/usr/include/unity-mir/sessionlistener.h
/usr/include/unity-mir/serverstatuslistener.h
/usr/include/unity-mir/unityrpc.pb.h
/usr/include/unity-mir/initialsurfaceplacementstrategy.h
/usr/include/unity-mir/sessioncreator.h
/usr/include/unity-mir/messageprocessor.h
/usr/include/unity-mir/surfaceconfigurator.h
/usr/include/unity-mir/focussetter.h
/usr/include/unity-mir/logging.h
/usr/include/unity-mir/sessionauthorizer.h
/usr/include/unity-mir/unityprotobufservice.h
/usr/include/unity-mir/displayconfigurationpolicy.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/unity-mir.pc
/usr/share/doc/libunity-mir-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libunity-mir.so