/usr/ is in libunity-webapps-dev 2.5.0~+14.04.20140409-0ubuntu1.
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..
/usr/share/
/usr/lib/
/usr/lib/pkgconfig/
/usr/lib/pkgconfig/libunity_webapps-0.2.pc
/usr/lib/pkgconfig/libunity-webapps-repository.pc
/usr/include/
/usr/include/libunity-webapps-repository/
/usr/include/libunity-webapps-repository/unity-webapps-local-available-application.h
/usr/include/libunity-webapps-repository/unity-webapps-script-loader.h
/usr/include/libunity-webapps-repository/unity-webapps-available-application.h
/usr/include/libunity-webapps-repository/unity-webapps-application-repository.h
/usr/include/libunity-webapps-repository/unity-webapps-url-index.h
/usr/include/libunity-webapps-repository/unity-webapps-dpkg-available-application.h
/usr/include/libunity-webapps-repository/unity-webapps-dpkg-url-index.h
/usr/include/libunity_webapps-0.2/
/usr/include/libunity_webapps-0.2/unity-webapps-gen-indicator.h
/usr/include/libunity_webapps-0.2/unity-webapps-context.h
/usr/include/libunity_webapps-0.2/unity-webapps-gen-notification.h
/usr/include/libunity_webapps-0.2/unity-webapps-music-player-context.h
/usr/include/libunity_webapps-0.2/unity-webapps-gen-music-player.h
/usr/include/libunity_webapps-0.2/unity-webapps-launcher-context.h
/usr/include/libunity_webapps-0.2/unity-webapps-gen-service.h
/usr/include/libunity_webapps-0.2/unity-webapps-permissions.h
/usr/include/libunity_webapps-0.2/unity-webapps-indicator-context.h
/usr/include/libunity_webapps-0.2/unity-webapps-rate.h
/usr/include/libunity_webapps-0.2/unity-webapps-gen-context.h
/usr/include/libunity_webapps-0.2/unity-webapps-gen-launcher.h
/usr/include/libunity_webapps-0.2/unity-webapps-notification-context.h
/usr/include/libunity_webapps-0.2/unity-webapps-service.h
/usr/include/libunity_webapps-0.2/unity-webapps-dbus-defs.h
/usr/include/libunity_webapps-0.2/unity-webapps-dbus-util.h
/usr/include/libunity_webapps-0.2/unity-webapps-sanitizer.h
/usr/share/doc/
/usr/share/doc/libunity-webapps-dev/
/usr/share/doc/libunity-webapps-dev/copyright
/usr/share/gir-1.0/
/usr/share/gir-1.0/UnityWebappsRepository-0.2.gir
/usr/share/gir-1.0/UnityWebapps-0.2.gir
/usr/lib/libunity-webapps-repository.so
/usr/lib/libunity-webapps.so
/usr/share/doc/libunity-webapps-dev/changelog.Debian.gz