/usr/share/applications/unitywebappsqmllauncher.desktop is in unity-webapps-qml 0.1+14.04.20140408-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Type=Application
Terminal=false
Exec=/usr/bin/unity-webapps-qml-launcher $@
Name=Unity Webapps QML Test Launcher
Icon=qmlscene
NoDisplay=true
X-Ubuntu-Touch=true
|