question: public static NativePage createNativePageForURL ( String url , NativePage candidatePage , Tab tab , TabModelSelector tabModelSelector , Activity activity ) { return createNativePageForURL ( url , candidatePage , tab , tabModelSelector , activity , tab . isIncognito ( ) ) ; }
target:  Returns a NativePage for displaying the given URL if the URL is a valid chrome-native URL, or null otherwise. If candidatePage is non-null and corresponds to the URL, it will be returned. Otherwise, a new NativePage will be constructed.