2.1.112 [W3C-HTML51] Section 7.6.1.3 Custom scheme handler: the registerProtocolHandler() method

V0423: The NavigatorContentUtils interface is implemented but does not support any functions

The specification states:

 7.6.1.3 Custom scheme handler: the registerProtocolHandler() method
  
     [NoInterfaceObject]
     interface NavigatorContentUtils {
         // content handler registration
         void registerProtocolHandler(DOMString scheme, DOMString url, DOMString title);
         void unregisterProtocolHandler(DOMString scheme, DOMString url);
     };

EdgeHTML Mode

The NavigatorContentUtils interface is implemented but does not support any functions.