/**
  * Adds or removes the Fast Forward button. This will change the visibility of the button, if you
  * want to change the enabled/disabled images see {@link #setFastForwardButtonEnabled(boolean)}
  * {@link #setDefaultControlsEnabled(boolean)} must be called prior to this.
  *
  * @param removed If the Fast Forward button should be removed [default: false]
  */
 public void setFastForwardButtonRemoved(boolean removed) {
   if (defaultControls != null) {
     defaultControls.setFastForwardButtonRemoved(removed);
   }
 }