MediaController controller

Source 

@DomName('HTMLMediaElement.controller')
@DocsEditable()
MediaController get controller =>
    _blink.BlinkHTMLMediaElement.instance.controller_Getter_(this);
void controller=(MediaController value)

Source 

@DomName('HTMLMediaElement.controller')
@DocsEditable()
set controller(MediaController value) =>
    _blink.BlinkHTMLMediaElement.instance.controller_Setter_(this, value);