code: function openLiveBrowser(url, enableRemoteDebugging) {
          var result = new $.Deferred();
  
          brackets.app.openLiveBrowser(url, !!enableRemoteDebugging, function onRun(err, pid) {
              if (!err) {
                  // Undefined ids never get removed from list, so don't push them on
                  if (pid !== undefined) {
                      liveBrowserOpenedPIDs.push(pid);
                  }
                  result.resolve(pid);
              } else {
                  result.reject(_browserErrToFileError(err));
              }
          });
  
          return result.promise();
      }
docs: openLiveBrowser
  Open the given URL in the user's system browser, optionally enabling debugging.
  @param {string} url The URL to open.
  @param {boolean=} enableRemoteDebugging Whether to turn on remote debugging. Default false.
  @return {$.Promise}