Fix closure compile by fixing JSDoc

chrome/browser/resources/media_router/media_router_ui_interface.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // API invoked by the browser MediaRouterWebUIMessageHandler to communicate
 // with this UI.
 cr.define('media_router.ui', function() {
   'use strict';
 
   // The media-router-container element.
@@ skipping 63 matching lines @@
     // setting was implemented. These users will see the first run flow
     // again.
     container.showFirstRunFlow = !data['wasFirstRunFlowAcknowledged'] ||
         container.showFirstRunFlowCloudPref;
   }
 
   /**
    * Populates the WebUI with data obtained from Media Router.
    *
    * @param {{deviceMissingUrl: string,
-   *          sinksAndIdentity: {{
+   *          sinksAndIdentity: {
    *            sinks: !Array<!media_router.Sink>,
    *            showEmail: boolean,
    *            userEmail: string,
    *            showDomain: boolean,
    *            userDomain: string
-   *          }},
+   *          },
    *          routes: !Array<!media_router.Route>,
    *          castModes: !Array<!media_router.CastMode>}} data
    * Parameters in data:
    *   deviceMissingUrl - url to be opened on "Device missing?" clicked.
    *   sinksAndIdentity - list of sinks to be displayed and user identity.
    *   routes - list of routes that are associated with the sinks.
    *   castModes - list of available cast modes.
    */
   function setInitialData(data) {
     container.deviceMissingUrl = data['deviceMissingUrl'];
@@ skipping 243 matching lines @@
     reportNavigateToView: reportNavigateToView,
     reportSelectedCastMode: reportSelectedCastMode,
     reportRouteCreation: reportRouteCreation,
     reportSinkCount: reportSinkCount,
     reportTimeToClickSink: reportTimeToClickSink,
     reportTimeToInitialActionClose: reportTimeToInitialActionClose,
     requestInitialData: requestInitialData,
     requestRoute: requestRoute,
   };
 });