/usr/share/kde4/apps/plasma/ is in kde-workspace-data 4:4.11.8-0ubuntu6.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kde4/apps/plasma/packages/
/usr/share/kde4/apps/plasma/packages/org.kde.desktop.widgetexplorer/
/usr/share/kde4/apps/plasma/packages/org.kde.desktop.widgetexplorer/contents/
/usr/share/kde4/apps/plasma/packages/org.kde.desktop.widgetexplorer/contents/ui/
/usr/share/kde4/apps/plasma/packages/org.kde.desktop.widgetexplorer/contents/ui/AppletDelegate.qml
/usr/share/kde4/apps/plasma/packages/org.kde.desktop.widgetexplorer/contents/ui/Tooltip.qml
/usr/share/kde4/apps/plasma/packages/org.kde.desktop.widgetexplorer/contents/ui/main.qml
/usr/share/kde4/apps/plasma/packages/org.kde.desktop.widgetexplorer/metadata.desktop
/usr/share/kde4/apps/plasma/packages/org.kde.pager/
/usr/share/kde4/apps/plasma/packages/org.kde.pager/contents/
/usr/share/kde4/apps/plasma/packages/org.kde.pager/contents/ui/
/usr/share/kde4/apps/plasma/packages/org.kde.pager/contents/ui/main.qml
/usr/share/kde4/apps/plasma/packages/org.kde.pager/contents/ui/utils.js
/usr/share/kde4/apps/plasma/packages/org.kde.pager/metadata.desktop
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/code/
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/code/IconsList.js
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/code/TasksSet.js
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/code/main.js
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/ui/
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/ui/ArrowArea.qml
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/ui/IconsGrid.qml
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/ui/IconsList.qml
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/ui/StatusNotifierItem.qml
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/ui/TrayIcon.qml
/usr/share/kde4/apps/plasma/packages/org.kde.systemtray/contents/ui/main.qml