code: function getRemoteFunctionsScript() {
          var script = "";
          // Inject DocumentObserver into the browser (tracks related documents)
          script += DocumentObserver;
          // Inject remote functions into the browser.
          script += "window._LD=(" + RemoteFunctions + "(" + JSON.stringify(LiveDevMultiBrowser.config) + "))";
          return "<script>\n" + script + "</script>\n";
      }
docs: Returns a script that should be injected into the HTML that's launched in the
  browser in order to implement remote commands that handle protocol requests.
  Includes the <script> tags.
  @return {string}