code: function(name, localURL, type, lastModifiedDate, size){
      MediaFile.__super__.constructor.apply(this, arguments);
  }
docs: Represents a single file.
  
  name {DOMString} name of the file, without path information
  fullPath {DOMString} the full path of the file, including the name
  type {DOMString} mime type
  lastModifiedDate {Date} last modified date
  size {Number} size of the file in bytes