NS_CheckContentLoadPolicy(PRInt32 contentType, nsIURI *aURI, nsISupports *context, nsIDOMWindow *window, PRBool *shouldLoad)
NS_CheckContentLoadPolicy(PRUint32          contentType, nsIURI           *contentLocation, nsIURI           *requestOrigin, nsIDOMNode       *content, const nsACString &mimeType, nsISupports      *extra, PRInt16          *decision)
NS_CheckContentLoadPolicy(PRInt32 contentType, nsIURI *aURI,                          nsISupports *context, nsIDOMWindow *window,                          PRBool *shouldLoad){    CHECK_CONTENT_POLICY(ShouldLoad, shouldLoad);}