Fix the Crash in the launcher's start page on Chrome OS.

ui/app_list/views/search_result_container_view.h

Index: ui/app_list/views/search_result_container_view.h
diff --git a/ui/app_list/views/search_result_container_view.h b/ui/app_list/views/search_result_container_view.h
index 8c941a8ae04d821a58b938513604b4710131fb53..fc5719202be89f4022c1314326621dead6d095a6 100644
--- a/ui/app_list/views/search_result_container_view.h
+++ b/ui/app_list/views/search_result_container_view.h
@@ -48,6 +48,7 @@ class APP_LIST_EXPORT SearchResultContainerView : public views::View,
   bool IsValidSelectionIndex(int index) const;
 
   int num_results() const { return num_results_; }
+  void set_num_results(int num_results) { num_results_ = num_results; }
 
   void set_container_score(double score) { container_score_ = score; }
   double container_score() const { return container_score_; }