[Media Router] Add origins to sink query results.

chrome/browser/media/router/media_sinks_observer.cc

Index: chrome/browser/media/router/media_sinks_observer.cc
diff --git a/chrome/browser/media/router/media_sinks_observer.cc b/chrome/browser/media/router/media_sinks_observer.cc
index 1eecabcd020595770cfa8d1548b2ea97925e2cb1..2a30ddfc15e9f05fbb65d30202f69f6562195e4e 100644
--- a/chrome/browser/media/router/media_sinks_observer.cc
+++ b/chrome/browser/media/router/media_sinks_observer.cc
@@ -10,8 +10,9 @@
 namespace media_router {
 
 MediaSinksObserver::MediaSinksObserver(MediaRouter* router,
-                                       const MediaSource& source)
-    : source_(source), router_(router), initialized_(false) {
+                                       const MediaSource& source,
+                                       const GURL& origin)
+    : source_(source), origin_(origin), router_(router), initialized_(false) {
   DCHECK(router_);
 }
 
@@ -28,4 +29,12 @@ bool MediaSinksObserver::Init() {
   return initialized_;
 }
 
+void MediaSinksObserver::OnSinksUpdated(const std::vector<MediaSink>& sinks,
+                                        const std::vector<GURL>& origins) {
+  if (origins.empty() || ContainsValue(origins, origin_))

[mark a. foltz, 2016/03/11 01:20:23]

#include "stl_util.h"

[imcheng, 2016/03/14 21:30:20]

Done.

+    OnSinksReceived(sinks);
+  else
+    OnSinksReceived(std::vector<MediaSink>());
+}
+
 }  // namespace media_router