Standardize usage of virtual/override/final specifiers.

ui/app_list/views/search_result_actions_view.h

Index: ui/app_list/views/search_result_actions_view.h
diff --git a/ui/app_list/views/search_result_actions_view.h b/ui/app_list/views/search_result_actions_view.h
index bb11a8bd197293adbf9e7dc07aea5338d4f21819..3649684e0c6837bd6366e3f9ca0ad01f4b0f9bb5 100644
--- a/ui/app_list/views/search_result_actions_view.h
+++ b/ui/app_list/views/search_result_actions_view.h
@@ -20,7 +20,7 @@ class SearchResultActionsView : public views::View,
                                 public views::ButtonListener {
  public:
   explicit SearchResultActionsView(SearchResultActionsViewDelegate* delegate);
-  virtual ~SearchResultActionsView();
+  ~SearchResultActionsView() override;
 
   void SetActions(const SearchResult::Actions& actions);
 
@@ -34,11 +34,10 @@ class SearchResultActionsView : public views::View,
   void CreateBlueButton(const SearchResult::Action& action);
 
   // views::View overrides:
-  virtual void OnPaint(gfx::Canvas* canvas) override;
+  void OnPaint(gfx::Canvas* canvas) override;
 
   // views::ButtonListener overrides:
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) override;
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   SearchResultActionsViewDelegate* delegate_;  // Not owned.
   int selected_action_;