src/components/dialog.js
/**
   * Transition out of an old view.
   * @private
   */
Transition out of an old view.
@private
Transition out of an old view . @private
exitTransitionFromOldView_() {
    if (this.previousProgressView_) {
      removeElement(this.previousProgressView_.getElement());
      this.previousProgressView_ = null;
    } else {
      this.loadingView_.hide();
    }
  }
exitTransitionFromOldView_ ( ) { if ( this . previousProgressView_ ) { removeElement ( this . previousProgressView_ . getElement ( ) ) ; this . previousProgressView_ = null ; } else { this . loadingView_ . hide ( ) ; } }
Transition out of an old view.
Transition out of an old view .
// If previous view is still around, remove it.