The net.interfaces.IPEndPoint is defined in //net/interfaces/host_resolver_service.mojom but that file contains a comment saying "WARNING! Do NOT use this mojom.". That instruction seems to be followed and thus that mojom is not used by any other mojom.

Should that mojom be used despite of the comment saying otherwise?

I don't know =)

IPEndPoint being defined in there instead of a more generic location seems like something we'd want to fix though.

+sammc for context/background info here

That comment is more applicable to the interface; it's intended to be only used as an implementation detail of out-of-process proxy resolver rather than a general-purpose DNS resolver interface. At the time, we weren't pursuing mojo interfaces for the rest of //net so the types are defined by the interfaces that needed them.

Moving IPEndPoint somewhere public (e.g. //net/public/interfaces) sounds good to me.

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