Tests for Media Router media-router-container Polymer element.

chrome/test/data/webui/media_router/media_router_elements_browsertest.js

Index: chrome/test/data/webui/media_router/media_router_elements_browsertest.js
diff --git a/chrome/test/data/webui/media_router/media_router_elements_browsertest.js b/chrome/test/data/webui/media_router/media_router_elements_browsertest.js
index 7d24ee1a4e61040024fd19a2be26265bab7108dd..2e72639e8d245c85ba76340814693c89ba2d5aff 100644
--- a/chrome/test/data/webui/media_router/media_router_elements_browsertest.js
+++ b/chrome/test/data/webui/media_router/media_router_elements_browsertest.js
@@ -31,6 +31,7 @@ MediaRouterElementsBrowserTest.prototype = {
   // List tests for individual elements.
   extraLibraries: PolymerTest.getLibraries(ROOT_PATH).concat([
     'issue_banner_tests.js',
+    'media_router_container_tests.js',
     'route_details_tests.js',
   ]),
 };
@@ -39,6 +40,7 @@ MediaRouterElementsBrowserTest.prototype = {
 TEST_F('MediaRouterElementsBrowserTest', 'MediaRouterElementsTest', function() {
   // Register mocha tests for each element.
   issue_banner.registerTests();
+  media_router_container.registerTests();
   route_details.registerTests();
 
   // Run all registered tests.