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

chrome/browser/spellchecker/spelling_service_client.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 CHROME_BROWSER_SPELLCHECKER_SPELLING_SERVICE_CLIENT_H_
 #define CHROME_BROWSER_SPELLCHECKER_SPELLING_SERVICE_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 58 matching lines @@
     SUGGEST = 1,
     SPELLCHECK = 2,
   };
   typedef base::Callback<void(
       bool /* success */,
       const base::string16& /* text */,
       const std::vector<SpellCheckResult>& /* results */)>
           TextCheckCompleteCallback;
 
   SpellingServiceClient();
-  virtual ~SpellingServiceClient();
+  ~SpellingServiceClient() override;
 
   // Sends a text-check request to the Spelling service. When we send a request
   // to the Spelling service successfully, this function returns true. (This
   // does not mean the service finishes checking text successfully.) We will
   // call |callback| when we receive a text-check response from the service.
   bool RequestTextCheck(content::BrowserContext* context,
                         ServiceType type,
                         const base::string16& text,
                         const TextCheckCompleteCallback& callback);
 
@@ skipping 13 matching lines @@
 
     // The callback function to be called when we receive a response from the
     // Spelling service and parse it.
     TextCheckCompleteCallback callback;
 
     // The text checked by the Spelling service.
     base::string16 text;
   };
 
   // net::URLFetcherDelegate implementation.
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) override;
+  void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // Creates a URLFetcher object used for sending a JSON-RPC request. This
   // function is overridden by unit tests to prevent them from actually sending
   // requests to the Spelling service.
   virtual net::URLFetcher* CreateURLFetcher(const GURL& url);
 
   // The URLFetcher object used for sending a JSON-RPC request.
   std::map<const net::URLFetcher*, TextCheckCallbackData*> spellcheck_fetchers_;
 };
 
 #endif  // CHROME_BROWSER_SPELLCHECKER_SPELLING_SERVICE_CLIENT_H_