List<File> files

Source 

@DomName('HTMLInputElement.files')
@DocsEditable()
List<File> get files =>
    (_blink.BlinkHTMLInputElement.instance.files_Getter_(this));
void files=(List<File> value)

Source 

@DomName('HTMLInputElement.files')
@DocsEditable()
set files(List<File> value) =>
    _blink.BlinkHTMLInputElement.instance.files_Setter_(this, value);