Standardize usage of virtual/override/final in components/

components/autofill/content/browser/wallet/wallet_signin_helper.h

 // Copyright 2013 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 COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_WALLET_SIGNIN_HELPER_H_
 #define COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_WALLET_SIGNIN_HELPER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 17 matching lines @@
 // This class is not thread-safe.  An instance may be used on any thread, but
 // should not be accessed from multiple threads.
 class WalletSigninHelper : public net::URLFetcherDelegate {
  public:
   // Constructs a helper that works with a given |delegate| and uses a given
   // |getter| to obtain a context for URL. Both |delegate| and |getter| shall
   // remain valid over the entire lifetime of the created instance.
   WalletSigninHelper(WalletSigninHelperDelegate* delegate,
                      net::URLRequestContextGetter* getter);
 
-  virtual ~WalletSigninHelper();
+  ~WalletSigninHelper() override;
 
   // Initiates an attempt to passively sign the user into the Online Wallet.
   // A passive sign-in is a non-interactive refresh of content area cookies,
   // and it succeeds as long as the Online Wallet service could safely accept
   // or refresh the existing area cookies, and the user doesn't need to be
   // fully reauthenticated with the service.
   // Either OnPassiveSigninSuccess or OnPassiveSigninFailure will be called
   // on the original thread.
   void StartPassiveSignin(size_t user_index);
 
   // Initiates the fetch of the user's Google Wallet cookie.
   void StartWalletCookieValueFetch();
 
  private:
   // Called if a service authentication error occurs.
   void OnServiceError(const GoogleServiceAuthError& error);
 
   // Called if any other error occurs.
   void OnOtherError();
 
   // URLFetcherDelegate implementation.
-  virtual void OnURLFetchComplete(const net::URLFetcher* fetcher) override;
+  void OnURLFetchComplete(const net::URLFetcher* fetcher) override;
 
   // Callback for when the Google Wallet cookie has been retrieved.
   void ReturnWalletCookieValue(const std::string& cookie_value);
 
   // Should be valid throughout the lifetime of the instance.
   WalletSigninHelperDelegate* const delegate_;
 
   // URLRequestContextGetter to be used for URLFetchers.
   net::URLRequestContextGetter* const getter_;
 
   // While passive login/merge session URL fetches are going on:
   scoped_ptr<net::URLFetcher> url_fetcher_;
 
   base::WeakPtrFactory<WalletSigninHelper> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WalletSigninHelper);
 };
 
 }  // namespace wallet
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_WALLET_SIGNIN_HELPER_H_