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

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

Index: chrome/browser/ui/webui/media_router/query_result_manager.h
diff --git a/chrome/browser/ui/webui/media_router/query_result_manager.h b/chrome/browser/ui/webui/media_router/query_result_manager.h
index f355b07d5acca7db49079ed984f77b093f9a62ee..dc2bd7702fe5c23e3fd63ac323ef388fde60a086 100644
--- a/chrome/browser/ui/webui/media_router/query_result_manager.h
+++ b/chrome/browser/ui/webui/media_router/query_result_manager.h
@@ -24,6 +24,7 @@ namespace media_router {
 
 class MediaRouter;
 class MediaSinksObserver;
+class MediaSinksSearchRequest;
 struct RoutesQueryResult;
 struct SinksQueryResult;
 
@@ -66,6 +67,9 @@ class QueryResultManager {
     // |sinks|: List of sinks and the cast modes they are compatible with.
     virtual void OnResultsUpdated(
         const std::vector<MediaSinkWithCastModes>& sinks) = 0;
+    virtual void OnSearchResultsReceived(
+        const MediaSink::Id& sink_id,
+        const std::vector<MediaSinkWithCastModes>& sinks) = 0;
   };
 
   explicit QueryResultManager(MediaRouter* media_router);
@@ -88,6 +92,11 @@ class QueryResultManager {
   // Stops notifying observers for |cast_mode|.
   void StopSinksQuery(MediaCastMode cast_mode);
 
+  // Requests a list of MediaSinks compatible the current source associated with
+  // |cast_mode| that have an ID matching |sink_id|. Results are sent to all
+  // observers registered with AddObserver().
+  void StartSinkSearch(MediaCastMode cast_mode, const MediaSink::Id& sink_id);
+
   // Gets the set of cast modes that are being actively queried. |cast_mode_set|
   // should be empty.
   void GetSupportedCastModes(CastModeSet* cast_modes) const;
@@ -98,6 +107,7 @@ class QueryResultManager {
 
  private:
   class CastModeMediaSinksObserver;
+  class SearchSinksRequest;
 
   FRIEND_TEST_ALL_PREFIXES(QueryResultManagerTest, Observers);
   FRIEND_TEST_ALL_PREFIXES(QueryResultManagerTest, StartRoutesDiscovery);
@@ -120,6 +130,8 @@ class QueryResultManager {
 
   // Notifies observers that results have been updated.
   void NotifyOnResultsUpdated();
+  void NotifyOnSearchResults(const MediaSink::Id& sink_id,
+                             const std::vector<MediaSink>& sinks);
 
   // MediaSinksObservers that listens for compatible MediaSink updates.
   // Each observer is associated with a MediaCastMode. Results received by