If you want a windowed Chrome app with no menus the steps are as follows:
Enable the following two options:
"The new bookmark app system"
"Allow hosted apps to be opened in windows"
Restart Chrome to enable the options. Then navigate to the page you want to turn into an "app".
In the tools menu (three dots) click More Tools > Add to Applications
Finally, navigate to
and right click on the icon for the newly added Application. Enable the "Open as window" option.