[Media Router] Add a supports_web_ui_controller attribute to MediaRoute

chrome/test/data/webui/media_router/media_router_container_route_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
  * routes.
  */
 cr.define('media_router_container_route', function() {
   function registerTests() {
     suite('MediaRouterContainerRoute', function() {
@@ skipping 61 matching lines @@
        * @type {!Array<!media_router.Route>}
        */
       var fakeRouteList = [];
 
       /**
        * The list of available sinks.
        * @type {!Array<!media_router.Sink>}
        */
       var fakeSinkList = [];
 
+      /**
+       * Sets |container| to use |fakeSinkList| and |fakeRouteList|, and chooses
+       * the sink at the index.
+       * @param {number} index
+       * @return {!Promise<void>}
+       */
+      var chooseSinkAtIndex = function(index) {
+        container.allSinks = fakeSinkList;
+        container.routeList = fakeRouteList;
+        return new Promise(function(resolve) {
+          setTimeout(function() {
+            var sinkList = container.shadowRoot.getElementById('sink-list')
+                               .querySelectorAll('paper-item');
+            // Start from the SINK_LIST view.
+            container.showSinkList_();
+            checkCurrentView(media_router.MediaRouterView.SINK_LIST);
+            MockInteractions.tap(sinkList[index]);
+            resolve();
+          });
+        });
+      };
+
       // Import media_router_container.html before running suite.
       suiteSetup(function() {
         return PolymerTest.importHtml(
             'chrome://media-router/elements/media_router_container/' +
             'media_router_container.html');
       });
 
       setup(function(done) {
         PolymerTest.clearBody();
         // Initialize a media-router-container before each test.
@@ skipping 46 matching lines @@
           // Tap on a sink without a route, which should fire a 'create-route'
           // event.
           assertEquals(fakeSinkList.length, sinkList.length);
           MockInteractions.tap(sinkList[2]);
         });
       });
 
       // Tests that selecting a sink with an associated route will make the
       // |container| switch to ROUTE_DETAILS view.
       test('select sink with a route', function(done) {
-        container.allSinks = fakeSinkList;
-        container.routeList = fakeRouteList;
-
-        setTimeout(function() {
-          var sinkList =
-              container.shadowRoot.getElementById('sink-list')
-                  .querySelectorAll('paper-item');
-
-          // Start from the SINK_LIST view.
-          container.showSinkList_();
-          checkCurrentView(media_router.MediaRouterView.SINK_LIST);
-          MockInteractions.tap(sinkList[0]);
+        chooseSinkAtIndex(0).then(function() {
           checkCurrentView(media_router.MediaRouterView.ROUTE_DETAILS);
           done();
         });
       });
 
+      test('uses WebUI controls when they are available', function(done) {
+        var index = 0;
+        container.webUiRouteControlsAvailable = true;
+        fakeRouteList[index].supportsWebUiController = true;
+        chooseSinkAtIndex(index).then(function() {
+          assertTrue(container.useWebUiRouteControls);
+          done();
+        });
+      });
+
+      test(
+          'does not use WebUI controls when they are not available',
+          function(done) {
+            var index = 0;
+            container.webUiRouteControlsAvailable = false;
+            fakeRouteList[index].supportsWebUiController = true;
+            chooseSinkAtIndex(index).then(function() {
+              assertFalse(container.useWebUiRouteControls);
+              done();
+            });
+          });
+
+      test(
+          'does not use WebUI controls when the route does not support them',
+          function(done) {
+            var index = 0;
+            container.webUiRouteControlsAvailable = true;
+            fakeRouteList[index].supportsWebUiController = false;
+            chooseSinkAtIndex(index).then(function() {
+              assertFalse(container.useWebUiRouteControls);
+              done();
+            });
+          });

[takumif, 2017/06/15 21:59:41]

Hmm I'm not super happy with how the code is formatted here, but this is what
`git cl format --js` does.

+
       // Tests the text shown for the sink list.
       test('initial sink list route text', function(done) {
         // Sink 1 - no sink description, no route -> no subtext
         // Sink 2 - sink description, no route -> subtext = sink description
         // Sink 3 - no sink description, route -> subtext = route description
         // Sink 4 - sink description, route -> subtext = route description
         container.allSinks = [
             new media_router.Sink('sink id 1', 'Sink 1', null, null,
                 media_router.SinkIconType.CAST,
                 media_router.SinkStatus.ACTIVE, [1, 2, 3]),
@@ skipping 337 matching lines @@
           done();
         });
       });
     });
   }
 
   return {
     registerTests: registerTests,
   };
 });