/usr/lib/ is in qtdeclarative5-ubuntu-ui-extras0.1 0.1+14.04.20140331-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/qml/
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/Example/
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/Example/ExampleDelegate.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/Example.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/Share/
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/Share/ShareMenu.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/Share/SharePopover.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/Share.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/libubuntu-ui-extras-plugin.so
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Extras/qmldir