Hide pseudo sinks when user has no hosted domain.

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

 // Copyright 2016 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.
 
 /** @fileoverview Suite of tests for media-router-container that focus on
  * the MRPM search feature.
  */
 cr.define('media_router_container_search', function() {
   function registerTests() {
     suite('MediaRouterContainerSearch', function() {
@@ skipping 393 matching lines @@
                 container.$$('#search-results').querySelectorAll('paper-item');
             searchResults.forEach(function(sink) {
               var spinner = sink.querySelector('paper-spinner');
               checkElementVisible(spinner, false);
             });
             done();
           });
         });
       });
 
+      test('pseudo sink with empty domain is not shown', function(done) {
+        pseudoSink.domain = '';
+        container.allSinks = fakeSinkListWithPseudoSink;
+
+        var searchInput = container.$['sink-search-input'];
+        searchInput.value = foundSink.name;
+        setTimeout(function() {
+          var noMatches = container.$$('#no-search-matches');
+          var searchResults = container.$$('#search-results');
+          checkElementVisible(noMatches, true);
+          checkElementVisible(searchResults, false);
+          done();
+        });
+      });
+
       test('pseudo sink search state launching sink id', function() {
         var searchState = new PseudoSinkSearchState(pseudoSink);
 
         assertEquals(pseudoSink.id, searchState.checkForRealSink(fakeSinkList));
         assertEquals(
             pseudoSink.id,
             searchState.checkForRealSink(fakeSinkList.concat([foundSink])));
         assertEquals(pseudoSink.id, searchState.checkForRealSink(fakeSinkList));
 
         searchState.receiveSinkResponse(foundSink.id);
@@ skipping 14 matching lines @@
         assertEquals(someId, searchState.mapRouteSinkId(someId));
         assertEquals(foundSink.id, searchState.mapRouteSinkId(pseudoSink.id));
       });
     });
   }
 
   return {
     registerTests: registerTests,
   };
 });