pculture/miro — comment on commit 311596857e249ffcf57ca4bf06d2b01cf83605b2
File:  line 0
By paulswartz:

The `CallGetInterface` is actually required. `nsIXULWindow` doesn't directly implement `nsIWebBrowserChrome`, but `GetInterface` returns an object which does.

I added the `NS_IF_ADDREF` call.