Shows a launch spinner next to a sink once it is selected to create a route. The launch spinner sur…

chrome/browser/ui/webui/media_router/media_router_ui.h

Index: chrome/browser/ui/webui/media_router/media_router_ui.h
diff --git a/chrome/browser/ui/webui/media_router/media_router_ui.h b/chrome/browser/ui/webui/media_router/media_router_ui.h
index bb8c5b680eece5351d981f3a15fa7bb512db6e6a..85ed10a34113cba7f3dc70132725c9f1abe74a72 100644
--- a/chrome/browser/ui/webui/media_router/media_router_ui.h
+++ b/chrome/browser/ui/webui/media_router/media_router_ui.h
@@ -126,6 +126,7 @@ class MediaRouterUI
   const content::WebContents* initiator() const { return initiator_; }
 
   const std::string& GetRouteProviderExtensionId() const;
+  const std::set<MediaSink::Id>& GetSinkIdsInLaunch() const;
 
  private:
   class UIIssuesObserver;
@@ -145,7 +146,8 @@ class MediaRouterUI
 
   // Callback passed to MediaRouter to receive response to route creation
   // requests.
-  void OnRouteResponseReceived(const MediaRoute* route,
+  void OnRouteResponseReceived(const MediaSink::Id& sink_id,
+                               const MediaRoute* route,
                                const std::string& error);
 
   bool DoCreateRoute(const MediaSink::Id& sink_id, MediaCastMode cast_mode);