app_list: Show apps grid after installing from cws result.

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 eb21ceb3ed654417e46415704c500405ec5e046e..c101b28f16ec6c693deee4ba723821a5186de3ab 100644
--- a/ui/app_list/views/app_list_view.h
+++ b/ui/app_list/views/app_list_view.h
@@ -70,6 +70,9 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
   // Invoked when the sign-in status is changed to switch on/off sign-in view.
   void OnSigninStatusChanged();
 
+  // Shows the apps grid regardless of whether there is a query.
+  void ShowAppsGrid();
+
  private:
   // Overridden from views::WidgetDelegateView:
   virtual views::View* GetInitiallyFocusedView() OVERRIDE;