CefUrlRequestClientGetAuthCredentials Method

Called on the IO thread when the browser needs credentials from the user. |isProxy| indicates whether the host is a proxy server. |host| contains the hostname and |port| contains the port number. Return true to continue the request and call CefAuthCallback::Continue() when the authentication information is available. Return false to cancel the request. This method will only be called for requests initiated from the browser process.

protected virtual bool GetAuthCredentials(
	bool isProxy,
	string host,
	int port,
	string realm,
	string scheme,
	CefAuthCallback callback
)