Fix the Crash in the launcher's start page (a better approach).

ui/app_list/views/search_result_list_view.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_APP_LIST_VIEWS_SEARCH_RESULT_LIST_VIEW_H_
 #define UI_APP_LIST_VIEWS_SEARCH_RESULT_LIST_VIEW_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
@@ skipping 46 matching lines @@
   // Overridden from SearchResultContainerView:
   void OnContainerSelected(bool from_bottom,
                            bool directional_movement) override;
   void NotifyFirstResultYIndex(int y_index) override;
   int GetYSize() override;
 
  private:
   friend class test::SearchResultListViewTest;
 
   // Overridden from SearchResultContainerView:
-  int Update() override;
+  int DoUpdate() override;
   void UpdateSelectedIndex(int old_selected, int new_selected) override;
 
   // Updates the auto launch states.
   void SetAutoLaunchTimeout(const base::TimeDelta& timeout);
   void CancelAutoLaunchTimeout();
 
   // Helper function to get SearchResultView at given |index|.
   SearchResultView* GetResultViewAt(int index);
 
   // Forcibly auto-launch for test if it is in auto-launching state.
@@ skipping 14 matching lines @@
   views::View* results_container_;
   views::View* auto_launch_indicator_;
   std::unique_ptr<gfx::LinearAnimation> auto_launch_animation_;
 
   DISALLOW_COPY_AND_ASSIGN(SearchResultListView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_SEARCH_RESULT_LIST_VIEW_H_