B2G/gecko/browser/devtools/styleinspector/CssLogic.jsm
/**
   * Tells if the stylesheet is provided by the browser or not.
   *
   * @return {boolean} false if this is a browser-provided stylesheet, or true
   * otherwise.
   */
Tells if the stylesheet is provided by the browser or not.
@return {boolean} false if this is a browser-provided stylesheet, or true
otherwise.
Tells if the stylesheet is provided by the browser or not . @return { boolean } false if this is a browser - provided stylesheet or true otherwise .
get contentSheet()
  {
    if (this._contentSheet === null) {
      this._contentSheet = CssLogic.isContentStylesheet(this.domSheet);
    }
    return this._contentSheet;
  }
get contentSheet ( ) { if ( this . _contentSheet === null ) { this . _contentSheet = CssLogic . isContentStylesheet ( this . domSheet ) ; } return this . _contentSheet ; }
Tells if the stylesheet is provided by the browser or not.
Tells if the stylesheet is provided by the browser or not .