[Media Router] Add DialMediaSinkService and DeviceDescriptionService

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 3aab2b371f26b14ac3d5e7f472ee0a419cd01526..df97326625386117ac1d37c738f73df0739b89f1 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -4380,6 +4380,8 @@ test("unit_tests") {
       "../browser/media/cast_remoting_connector_unittest.cc",
       "../browser/media/router/browser_presentation_connection_proxy_unittest.cc",
       "../browser/media/router/create_presentation_connection_request_unittest.cc",
+      "../browser/media/router/dial_media_sink_cache_service_unittest.cc",
+      "../browser/media/router/dial_media_sink_service_unittest.cc",
       "../browser/media/router/discovery/media_sink_internal_unittest.cc",
       "../browser/media/router/issue_manager_unittest.cc",
       "../browser/media/router/issue_unittest.cc",
@@ -4512,9 +4514,8 @@ test("unit_tests") {
       "//third_party/ocmock",
     ]
 
-    sources += [
-      "../browser/ui/cocoa/applescript/apple_event_util_unittest.mm",
-    ]
+    sources +=
+        [ "../browser/ui/cocoa/applescript/apple_event_util_unittest.mm" ]
 
     if (mac_views_browser) {
       # TODO(tapted): Add chrome_unit_tests_views_non_mac_sources.