Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/app_list/search/webstore/webstore_provider.h

Index: chrome/browser/ui/app_list/search/webstore/webstore_provider.h
diff --git a/chrome/browser/ui/app_list/search/webstore/webstore_provider.h b/chrome/browser/ui/app_list/search/webstore/webstore_provider.h
index eb697d4a6c7d82cc2a2daf632fadf8a4e2c1fd8d..8762e84c016f71d5e17714b4522d086526e7fbe1 100644
--- a/chrome/browser/ui/app_list/search/webstore/webstore_provider.h
+++ b/chrome/browser/ui/app_list/search/webstore/webstore_provider.h
@@ -31,11 +31,11 @@ class SearchResult;
 class WebstoreProvider : public WebserviceSearchProvider{
  public:
   WebstoreProvider(Profile* profile, AppListControllerDelegate* controller);
-  virtual ~WebstoreProvider();
+  ~WebstoreProvider() override;
 
   // SearchProvider overrides:
-  virtual void Start(const base::string16& query) override;
-  virtual void Stop() override;
+  void Start(const base::string16& query) override;
+  void Stop() override;
 
  private:
   friend class app_list::test::WebstoreProviderTest;