/usr/include/ is in libhistoryservice-dev 0.1+16.04.20160104-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/history-service/
/usr/include/history-service/History/
/usr/include/history-service/History/PluginEventView
/usr/include/history-service/History/filter.h
/usr/include/history-service/History/PluginThreadView
/usr/include/history-service/History/Plugin
/usr/include/history-service/History/UnionFilter
/usr/include/history-service/History/Participant
/usr/include/history-service/History/texteventattachment.h
/usr/include/history-service/History/voiceevent.h
/usr/include/history-service/History/Types
/usr/include/history-service/History/Thread
/usr/include/history-service/History/manager.h
/usr/include/history-service/History/TextEvent
/usr/include/history-service/History/VoiceEvent
/usr/include/history-service/History/types.h
/usr/include/history-service/History/pluginthreadview.h
/usr/include/history-service/History/Sort
/usr/include/history-service/History/event.h
/usr/include/history-service/History/plugineventview.h
/usr/include/history-service/History/participant.h
/usr/include/history-service/History/Filter
/usr/include/history-service/History/sort.h
/usr/include/history-service/History/IntersectionFilter
/usr/include/history-service/History/threadview.h
/usr/include/history-service/History/unionfilter.h
/usr/include/history-service/History/intersectionfilter.h
/usr/include/history-service/History/thread.h
/usr/include/history-service/History/plugin.h
/usr/include/history-service/History/ThreadView
/usr/include/history-service/History/textevent.h
/usr/include/history-service/History/EventView
/usr/include/history-service/History/TextEventAttachment
/usr/include/history-service/History/Event
/usr/include/history-service/History/eventview.h
/usr/include/history-service/History/Manager