B2G/gecko/browser/devtools/scratchpad/scratchpad.js
/**
   * Get the gBrowser object of the most recent browser window.
   */
Get the gBrowser object of the most recent browser window.
Get the gBrowser object of the most recent browser window .
get gBrowser()
  {
    let recentWin = this.browserWindow;
    return recentWin ? recentWin.gBrowser : null;
  }
get gBrowser ( ) { let recentWin = this . browserWindow ; return recentWin ? recentWin . gBrowser : null ; }
Get the gBrowser object of the most recent browser window.
Get the gBrowser object of the most recent browser window .