Update Media Router WebUI JSDocs.

chrome/browser/resources/media_router/elements/media_router_container/media_router_container.js

Index: chrome/browser/resources/media_router/elements/media_router_container/media_router_container.js
diff --git a/chrome/browser/resources/media_router/elements/media_router_container/media_router_container.js b/chrome/browser/resources/media_router/elements/media_router_container/media_router_container.js
index a8a969303b1a00aa2a6aee509aaed310a850687e..47c26e6405bc00f681cbeb9fb6179b850356efde 100644
--- a/chrome/browser/resources/media_router/elements/media_router_container/media_router_container.js
+++ b/chrome/browser/resources/media_router/elements/media_router_container/media_router_container.js
@@ -187,7 +187,7 @@ Polymer({
   /**
    * @param {!MediaRouterContainerView} view The current view.
    * @param {?media_router.Issue} issue The current issue.
-   * return {boolean} Whether or not to hide the header.
+   * @return {boolean} Whether or not to hide the header.
    * @private
    */
   computeHeaderHidden_: function(view, issue) {
@@ -199,7 +199,7 @@ Polymer({
   /**
    * @param {!MediaRouterContainerView} view The current view.
    * @param {?media_router.Issue} issue The current issue.
-   * return {boolean} Whether or not to hide the issue banner.
+   * @return {boolean} Whether or not to hide the issue banner.
    * @private
    */
   computeIssueBannerHidden_: function(view, issue) {
@@ -209,7 +209,7 @@ Polymer({
   /**
    * @param {!MediaRouterContainerView} view The current view.
    * @param {?media_router.Issue} issue The current issue.
-   * return {boolean} Whether or not to hide the route details.
+   * @return {boolean} Whether or not to hide the route details.
    * @private
    */
   computerRouteDetailsHidden_: function(view, issue) {
@@ -219,7 +219,7 @@ Polymer({
 
   /**
    * @param {!string} sinkId A sink ID.
-   * return {boolean} Whether or not to hide the route info in the sink list
+   * @return {boolean} Whether or not to hide the route info in the sink list
    *     that is associated with |sinkId|.
    * @private
    */
@@ -229,7 +229,7 @@ Polymer({
 
   /**
    * @param {!string} sinkId A sink ID.
-   * return {string} The title value of the route associated with |sinkId|.
+   * @return {string} The title value of the route associated with |sinkId|.
    * @private
    */
   computeRouteInSinkListValue_: function(sinkId) {
@@ -249,7 +249,7 @@ Polymer({
   /**
    * @param {!MediaRouterContainerView} view The current view.
    * @param {?media_router.Issue} issue The current issue.
-   * return {boolean} Whether or not to hide the sink list.
+   * @return {boolean} Whether or not to hide the sink list.
    * @private
    */
   computeSinkListHidden_: function(view, issue) {