[Media Router] Add DialMediaSinkService and DeviceDescriptionService

chrome/browser/media/router/media_sink_service.h

Index: chrome/browser/media/router/media_sink_service.h
diff --git a/chrome/browser/media/router/media_sink_service.h b/chrome/browser/media/router/media_sink_service.h
index ed433b2228924d35a6f76603acbb7a3cca6acdf8..9734ad4b885f658caed022f9fde6351d03fe4b14 100644
--- a/chrome/browser/media/router/media_sink_service.h
+++ b/chrome/browser/media/router/media_sink_service.h
@@ -28,7 +28,7 @@ class MediaSinkService {
       base::Callback<void(const std::vector<MediaSink>&)>;
 
   explicit MediaSinkService(
-      const OnSinksDiscoveredCallback& sinks_discovered_callback);
+      const OnSinksDiscoveredCallback& sink_discovery_callback);
 
   virtual ~MediaSinkService();
 
@@ -48,7 +48,7 @@ class MediaSinkService {
   virtual void RemoveSinkQuery(MediaSinksObserver* observer) = 0;
 
  protected:
-  OnSinksDiscoveredCallback sinks_discovered_callback_;
+  OnSinksDiscoveredCallback sink_discovery_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaSinkService);
 };