text: var SafariExtPreprocessorClass = function() {};
  
  SafariExtPreprocessorClass.prototype = {
      
      run: function(arguments) {
          arguments.completionFunction({ "url": document.URL });
      } 
      
  };
  
  // The JavaScript file must contain a global object named "ExtensionPreprocessingJS".
  var ExtensionPreprocessingJS = new SafariExtPreprocessorClass;
  