[Media Router WebUI] Clear pending route creation properties on error.

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 b99b88abf91a9c75c98b972e38c17b605362e67f..d0126c7dcc5ff5389abd01e23d8805880d10ed10 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
@@ -1195,7 +1195,9 @@ Polymer({
   },
 
   /**
-   * Updates |currentView_| if there is a new blocking issue.
+   * Updates |currentView_| if there is a new blocking issue. Clears any
+   * pending route creation properties if the issue corresponds with
+   * |pendingCreatedRouteId_|.
    *
    * @param {?media_router.Issue} issue The new issue.
    * @private
@@ -1205,6 +1207,11 @@ Polymer({
       this.currentView_ = media_router.MediaRouterView.ISSUE;
     else
       this.updateElementPositioning_();
+
+    if (!!this.pendingCreatedRouteId_ && !!issue &&
+        issue.routeId == this.pendingCreatedRouteId_) {
+      this.resetRouteCreationProperties_(false);
+    }
   },
 
   /**