[Media Router] Use DialMediaSinkService in MediaRouterMojoImpl

chrome/browser/media/router/discovery/dial/dial_media_sink_service_impl_unittest.cc

Index: chrome/browser/media/router/discovery/dial/dial_media_sink_service_impl_unittest.cc
diff --git a/chrome/browser/media/router/discovery/dial/dial_media_sink_service_impl_unittest.cc b/chrome/browser/media/router/discovery/dial/dial_media_sink_service_impl_unittest.cc
index 6f3b591d2a320e691974072c2a4d03809552b79a..0b1fb29363acec72e84fee81e24f32ccb7fa806e 100644
--- a/chrome/browser/media/router/discovery/dial/dial_media_sink_service_impl_unittest.cc
+++ b/chrome/browser/media/router/discovery/dial/dial_media_sink_service_impl_unittest.cc
@@ -96,26 +96,6 @@ class DialMediaSinkServiceImplTest : public ::testing::Test {
   DISALLOW_COPY_AND_ASSIGN(DialMediaSinkServiceImplTest);
 };
 
-TEST_F(DialMediaSinkServiceImplTest, TestStart) {
-  media_sink_service_->Start();
-
-  DialRegistry::DeviceList deviceList;
-  DialDeviceData first_device("first", GURL("http://127.0.0.1/dd.xml"),
-                              base::Time::Now());
-  DialDeviceData second_device("second", GURL("http://127.0.0.2/dd.xml"),
-                               base::Time::Now());
-  DialDeviceData third_device("third", GURL("http://127.0.0.3/dd.xml"),
-                              base::Time::Now());
-  deviceList.push_back(first_device);
-  deviceList.push_back(second_device);
-  deviceList.push_back(third_device);
-
-  EXPECT_CALL(*mock_description_service_, GetDeviceDescriptions(deviceList, _));
-
-  media_sink_service_->OnDialDeviceEvent(deviceList);
-  EXPECT_TRUE(media_sink_service_->finish_timer_->IsRunning());
-}
-
 TEST_F(DialMediaSinkServiceImplTest, TestOnDeviceDescriptionAvailable) {
   DialDeviceData device_data("first", GURL("http://127.0.0.1/dd.xml"),
                              base::Time::Now());