Move app list search tiles into SearchResultTileItemListView.

ui/app_list/views/search_result_container_view.cc

Index: ui/app_list/views/search_result_container_view.cc
diff --git a/ui/app_list/views/search_result_container_view.cc b/ui/app_list/views/search_result_container_view.cc
index f2cd4d8962cbbe52611680e92a4691afcc378685..15223817363fefe8b30674caee8fd86e70b6bffe 100644
--- a/ui/app_list/views/search_result_container_view.cc
+++ b/ui/app_list/views/search_result_container_view.cc
@@ -27,7 +27,7 @@ void SearchResultContainerView::SetResults(
   if (results_)
     results_->AddObserver(this);
 
-  Update();
+  DoUpdate();
 }
 
 void SearchResultContainerView::ScheduleUpdate() {
@@ -60,6 +60,8 @@ void SearchResultContainerView::ListItemsChanged(size_t start, size_t count) {
 
 void SearchResultContainerView::DoUpdate() {
   Update();
+  Layout();
+  PreferredSizeChanged();
   update_factory_.InvalidateWeakPtrs();
 }