[Chrome OS] Change layout of the launcher.

ui/app_list/search_controller.h

Index: ui/app_list/search_controller.h
diff --git a/ui/app_list/search_controller.h b/ui/app_list/search_controller.h
index 8df0d615a5195106459d735957f8d4d98fcba9bc..3fd942788164ba9af02aeb73148c374b26ff6f32 100644
--- a/ui/app_list/search_controller.h
+++ b/ui/app_list/search_controller.h
@@ -56,12 +56,15 @@ class APP_LIST_EXPORT SearchController {
 
   SearchBoxModel* search_box_;
 
-  bool dispatching_query_;
+  bool dispatching_query_ = false;
+
+  // If true, the search results are shown on the launcher start page.
+  bool query_for_recommendation_ = false;
   Providers providers_;
   std::unique_ptr<Mixer> mixer_;
   History* history_;  // KeyedService, not owned.
 
-  bool is_voice_query_;
+  bool is_voice_query_ = false;
 
   base::OneShotTimer stop_timer_;