Browser process hangs on CefShutdown

[itaibh]

This only happens on a specific scenario, in which I open a specific window, one of many that have a CEF browser in them, and without closing that window - closing the app causes it to hang on CefRuntime.Shutdown().
I couldn't find any significant difference (and even insignificant difference) between that window and any other window with a CEF browser in it.
I did notice that (at least on my development computer) the problem doesn't occur if I remove the call to CefRuntime.Shutdown(), and I didn't notice any side effects to that.

I'm using CEF 1650, with the Xilium.CefGlue wrapper.

What is the significance of that method? What kind of cleanup does it do? What kind of side-effects I might encounter if I remove it?