[Media Router] Add a supports_web_ui_controller attribute to MediaRoute

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

Index: chrome/test/data/webui/media_router/media_router_container_route_tests.js
diff --git a/chrome/test/data/webui/media_router/media_router_container_route_tests.js b/chrome/test/data/webui/media_router/media_router_container_route_tests.js
index 110302cb1ade98902dc56509a7a82197ca41f05f..115aeca6b234ca6d8618c8443504a9f3ea7a1b97 100644
--- a/chrome/test/data/webui/media_router/media_router_container_route_tests.js
+++ b/chrome/test/data/webui/media_router/media_router_container_route_tests.js
@@ -79,6 +79,28 @@ cr.define('media_router_container_route', function() {
        */
       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(
@@ -145,23 +167,46 @@ cr.define('media_router_container_route', function() {
       // 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