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

chrome/browser/extensions/api/messaging/incognito_connectability.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 CHROME_BROWSER_EXTENSIONS_API_MESSAGING_INCOGNITO_CONNECTABILITY_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_INCOGNITO_CONNECTABILITY_H_
 
 #include <set>
 
 #include "extensions/browser/browser_context_keyed_api_factory.h"
@@ skipping 46 matching lines @@
   // Returns true if |url| is allowed to connect from this profile, false
   // otherwise. If unknown, this call will block and prompt the user.
   bool Query(const Extension* extension,
              content::WebContents* web_contents,
              const GURL& url);
 
  private:
   friend class BrowserContextKeyedAPIFactory<IncognitoConnectability>;
 
   explicit IncognitoConnectability(content::BrowserContext* context);
-  virtual ~IncognitoConnectability();
+  ~IncognitoConnectability() override;
 
   typedef std::map<std::string, std::set<GURL> > ExtensionToOriginsMap;
 
   // Returns true if the (|extension|, |origin|) pair appears in the map.
   bool IsInMap(const Extension* extension,
                const GURL& origin,
                const ExtensionToOriginsMap& map);
 
   // BrowserContextKeyedAPI implementation.
   static BrowserContextKeyedAPIFactory<IncognitoConnectability>*
       GetFactoryInstance();
   static const char* service_name() {
     return "Messaging.IncognitoConnectability";
   }
   static const bool kServiceHasOwnInstanceInIncognito = true;
   static const bool kServiceIsCreatedWithBrowserContext = false;
 
   // The origins that have been prompted for and either allowed or disallowed.
   // These are deliberately stored in-memory so that they're reset when the
   // profile is destroyed (i.e. when the last incognito window is closed).
   ExtensionToOriginsMap allowed_origins_;
   ExtensionToOriginsMap disallowed_origins_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_INCOGNITO_CONNECTABILITY_H_