[Media Router] Use DialMediaSinkService in MediaRouterMojoImpl

chrome/browser/media/router/discovery/media_sink_service_base.cc

Index: chrome/browser/media/router/discovery/media_sink_service_base.cc
diff --git a/chrome/browser/media/router/discovery/media_sink_service_base.cc b/chrome/browser/media/router/discovery/media_sink_service_base.cc
index e7226773b99fd64d19bf20cba638c9887544cb0d..92b722a31abc727625fdf980ec2c537b0fe0fbf8 100644
--- a/chrome/browser/media/router/discovery/media_sink_service_base.cc
+++ b/chrome/browser/media/router/discovery/media_sink_service_base.cc
@@ -51,4 +51,14 @@ void MediaSinkServiceBase::StartTimer() {
                                   base::Unretained(this)));
 }
 
+void MediaSinkServiceBase::StopTimer() {
+  finish_timer_.reset();
+}
+
+void MediaSinkServiceBase::RestartTimer() {
+  if (!finish_timer_ || finish_timer_->IsRunning())
+    return;
+  StartTimer();
+}
+
 }  // namespace media_router