Refactor AddScrollListItem() in system menu detailed views

ash/system/cast/tray_cast.cc

Index: ash/system/cast/tray_cast.cc
diff --git a/ash/system/cast/tray_cast.cc b/ash/system/cast/tray_cast.cc
index 899b4d0c9a2adebc48eb915e2bcb464e3f5de1ee..70678868956a74cfdf529dad77b6a306f38f9419 100644
--- a/ash/system/cast/tray_cast.cc
+++ b/ash/system/cast/tray_cast.cc
@@ -315,7 +315,6 @@ class CastDetailedView : public TrayDetailsView {
   void CreateItems();
 
   void UpdateReceiverListFromCachedData();
-  views::View* AddToReceiverList(const mojom::SinkAndRoutePtr& sink_route);
 
   // TrayDetailsView:
   void HandleViewClicked(views::View* view) override;
@@ -388,7 +387,8 @@ void CastDetailedView::UpdateReceiverListFromCachedData() {
   // Add a view for each receiver.
   for (auto& it : sinks_and_routes_) {
     const ash::mojom::SinkAndRoutePtr& sink_route = it.second;
-    views::View* container = AddToReceiverList(sink_route);
+    const base::string16 name = base::UTF8ToUTF16(sink_route->sink->name);
+    views::View* container = AddScrollListItem(kSystemMenuCastDeviceIcon, name);
     view_to_sink_map_[container] = sink_route->sink.Clone();
   }
 
@@ -396,18 +396,6 @@ void CastDetailedView::UpdateReceiverListFromCachedData() {
   scroller()->Layout();
 }
 
-views::View* CastDetailedView::AddToReceiverList(
-    const ash::mojom::SinkAndRoutePtr& sink_route) {
-  const gfx::ImageSkia image =
-      gfx::CreateVectorIcon(kSystemMenuCastDeviceIcon, kMenuIconColor);
-
-  HoverHighlightView* container = new HoverHighlightView(this);
-  container->AddIconAndLabel(image, base::UTF8ToUTF16(sink_route->sink->name));
-
-  scroll_content()->AddChildView(container);
-  return container;
-}
-
 void CastDetailedView::HandleViewClicked(views::View* view) {
   // Find the receiver we are going to cast to.
   auto it = view_to_sink_map_.find(view);