[Media Router] Add ProvideSinks() Mojo API

chrome/browser/media/router/media_router.h

Index: chrome/browser/media/router/media_router.h
diff --git a/chrome/browser/media/router/media_router.h b/chrome/browser/media/router/media_router.h
index 27f3d0d805f1934cf2008982a85dd7d9ffc00df3..570a439b523d3df6c8319b54e55059f5a16934a8 100644
--- a/chrome/browser/media/router/media_router.h
+++ b/chrome/browser/media/router/media_router.h
@@ -13,6 +13,7 @@
 #include "base/callback.h"
 #include "base/callback_list.h"
 #include "base/time/time.h"
+#include "chrome/browser/media/router/discovery/media_sink_internal.h"
 #include "chrome/browser/media/router/issue.h"
 #include "chrome/browser/media/router/media_route.h"
 #include "chrome/browser/media/router/media_sink.h"
@@ -171,6 +172,13 @@ class MediaRouter : public KeyedService {
       const std::string& domain,
       const MediaSinkSearchResponseCallback& sink_callback) = 0;
 
+  // Notifies the Media Router that the list of MediaSinks discovered by a
+  // MediaSinkService has been updated.
+  // |provider_name|: Name of the MediaSinkService providing the sinks.
+  // |sinks|: sinks discovered by MediaSinkService.
+  virtual void ProvideSinks(const std::string& provider_name,
+                            const std::vector<MediaSinkInternal>& sinks) = 0;
+
   // Adds |callback| to listen for state changes for presentation connected to
   // |route_id|. The returned Subscription object is owned by the caller.
   // |callback| will be invoked whenever there are state changes, until the