[Media Router] Add MediaSink subtypes

chrome/browser/media/router/mojo/media_router_type_converters_unittest.cc

Index: chrome/browser/media/router/mojo/media_router_type_converters_unittest.cc
diff --git a/chrome/browser/media/router/mojo/media_router_type_converters_unittest.cc b/chrome/browser/media/router/mojo/media_router_type_converters_unittest.cc
index fef54c4b0023e00d432349636ec6980561f573c9..433a2da557a5785e77dcd43e7674566a5cc5a9e5 100644
--- a/chrome/browser/media/router/mojo/media_router_type_converters_unittest.cc
+++ b/chrome/browser/media/router/mojo/media_router_type_converters_unittest.cc
@@ -31,10 +31,10 @@ TEST(MediaRouterTypeConvertersTest, ConvertMediaSink) {
   // Convert MediaSink and back should result in identical object.
   EXPECT_EQ(expected_media_sink.name(), media_sink.name());
   EXPECT_EQ(expected_media_sink.id(), media_sink.id());
-  EXPECT_FALSE(media_sink.description().empty());
-  EXPECT_EQ(expected_media_sink.description(), media_sink.description());
-  EXPECT_FALSE(media_sink.domain().empty());
-  EXPECT_EQ(expected_media_sink.domain(), media_sink.domain());
+  EXPECT_TRUE(media_sink.description());
+  EXPECT_EQ(*expected_media_sink.description(), *media_sink.description());
+  EXPECT_TRUE(media_sink.domain());
+  EXPECT_EQ(*expected_media_sink.domain(), *media_sink.domain());
   EXPECT_EQ(expected_media_sink.icon_type(), media_sink.icon_type());
   EXPECT_TRUE(expected_media_sink.Equals(media_sink));
 }