Ensure the app list search result progress bar is set in SetResult()

ui/app_list/views/search_result_view.h

Index: ui/app_list/views/search_result_view.h
diff --git a/ui/app_list/views/search_result_view.h b/ui/app_list/views/search_result_view.h
index be7037ec4e7752ffd29b160b887371ab60db3a67..c05e6bd1f100a74c79bd474a49d9eece7a20a48d 100644
--- a/ui/app_list/views/search_result_view.h
+++ b/ui/app_list/views/search_result_view.h
@@ -26,6 +26,9 @@ class MenuRunner;
 }
 
 namespace app_list {
+namespace test {
+class SearchResultListViewTest;
+}  // namespace test
 
 class ProgressBarView;
 class SearchResult;
@@ -57,6 +60,8 @@ class SearchResultView : public views::CustomButton,
   void ClearSelectedAction();
 
  private:
+  friend class app_list::test::SearchResultListViewTest;
+
   void UpdateTitleText();
   void UpdateDetailsText();