Remove FOR_EACH_OBSERVER macro usage in chrome/browser/ui

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

Index: chrome/browser/ui/webui/media_router/query_result_manager.cc
diff --git a/chrome/browser/ui/webui/media_router/query_result_manager.cc b/chrome/browser/ui/webui/media_router/query_result_manager.cc
index 11a67758e42bc713c388317226358bb68bc48279..79fbb604293426c548c539b6324c5305852be752 100644
--- a/chrome/browser/ui/webui/media_router/query_result_manager.cc
+++ b/chrome/browser/ui/webui/media_router/query_result_manager.cc
@@ -232,8 +232,8 @@ void QueryResultManager::NotifyOnResultsUpdated() {
     sink_with_cast_modes.cast_modes = sink_pair.second.GetCastModes();
     sinks.push_back(sink_with_cast_modes);
   }
-  FOR_EACH_OBSERVER(QueryResultManager::Observer, observers_,
-                    OnResultsUpdated(sinks));
+  for (QueryResultManager::Observer& observer : observers_)
+    observer.OnResultsUpdated(sinks);
 }
 
 }  // namespace media_router