[Media Router] Wiring for searching route providers for new sinks.

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 478f12ae64b8e972f08650f58dd6992bb7be4c6c..e2081595b12eae77886bd648c2fdd43ee5d35be4 100644
--- a/chrome/browser/ui/webui/media_router/media_router_ui.h
+++ b/chrome/browser/ui/webui/media_router/media_router_ui.h
@@ -116,6 +116,10 @@ class MediaRouterUI : public ConstrainedWebDialogUI,
   // Calls MediaRouter to clear the given issue.
   void ClearIssue(const Issue::Id& issue_id);
 
+  // Calls MediaRouter to search route providers for |sink_id| with the source
+  // that is currently associated with |cast_mode|.
+  void SearchProviders(const MediaSink::Id& sink_id, MediaCastMode cast_mode);
+
   // Returns the hostname of the default source's parent frame URL.
   std::string GetPresentationRequestSourceName() const;
   std::string GetTruncatedPresentationRequestSourceName() const;
@@ -188,6 +192,11 @@ class MediaRouterUI : public ConstrainedWebDialogUI,
   // QueryResultManager::Observer
   void OnResultsUpdated(
       const std::vector<MediaSinkWithCastModes>& sinks) override;
+  void OnSearchResultsReceived(
+      const MediaSink::Id& sink_id,
+      const std::vector<MediaSinkWithCastModes>& sinks) override;
+
+  void SortAndUpdateSinks();
 
   // Called by |issues_observer_| when the top issue has changed.
   // If the UI is already initialized, notifies |handler_| to update the UI.
@@ -196,7 +205,7 @@ class MediaRouterUI : public ConstrainedWebDialogUI,
 
   // Called by |routes_observer_| when the set of active routes has changed.
   void OnRoutesUpdated(const std::vector<MediaRoute>& routes,
-      const std::vector<MediaRoute::Id>& joinable_route_ids);
+       const std::vector<MediaRoute::Id>& joinable_route_ids);
 
   // Callback passed to MediaRouter to receive response to route creation
   // requests.