/usr/ is in webapp-container 0.23+14.04.20140414-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/webapp-container/
/usr/share/doc/webapp-container/copyright
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/webapp-container
/usr/share/webbrowser-app/
/usr/share/webbrowser-app/webcontainer/
/usr/share/webbrowser-app/webcontainer/WebappContainerWebview.qml
/usr/share/webbrowser-app/webcontainer/AccountsModel.qml
/usr/share/webbrowser-app/webcontainer/AccountItemView.qml
/usr/share/webbrowser-app/webcontainer/WebApp.qml
/usr/share/webbrowser-app/webcontainer/webapp-container.qml
/usr/share/webbrowser-app/webcontainer/AccountsLoginPage.qml
/usr/share/webbrowser-app/webcontainer/AccountsView.qml
/usr/share/webbrowser-app/webcontainer/WebViewImplOxide.qml
/usr/share/webbrowser-app/webcontainer/WebViewImplWebkit.qml
/usr/bin/
/usr/bin/webapp-container
/usr/share/doc/webapp-container/changelog.Debian.gz