SearchBoxView now enables/disables cursor based on user interaction.

ui/app_list/views/app_list_view.h

Index: ui/app_list/views/app_list_view.h
diff --git a/ui/app_list/views/app_list_view.h b/ui/app_list/views/app_list_view.h
index 2cf5740616aa96b6b6f68ac6768f951d4d9f1406..630c8e6f46250fde427bd43efee72c7f47f56192 100644
--- a/ui/app_list/views/app_list_view.h
+++ b/ui/app_list/views/app_list_view.h
@@ -96,6 +96,8 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDialogDelegateView,
 
   views::Widget* search_box_widget() const { return search_box_widget_; }
 
+  SearchBoxView* search_box_view() const { return search_box_view_; }
+
   // Overridden from views::View:
   gfx::Size CalculatePreferredSize() const override;
   void OnPaint(gfx::Canvas* canvas) override;