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

content/browser/appcache/appcache_interceptor.h

 // Copyright 2014 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 CONTENT_BROWSER_APPCACHE_APPCACHE_INTERCEPTOR_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_INTERCEPTOR_H_
 
 #include "base/memory/singleton.h"
 #include "content/common/content_export.h"
 #include "content/public/common/resource_type.h"
@@ skipping 41 matching lines @@
   // The appcache system employs two different interceptors. The singleton
   // AppCacheInterceptor derives URLRequest::Interceptor and is used
   // to hijack request handling upon receipt of the response or a redirect.
   // A separate URLRequestInterceptor derivative is used to hijack handling
   // at the very start of request processing. The separate handler allows the
   // content lib to order its collection of net::URLRequestInterceptors.
   static scoped_ptr<net::URLRequestInterceptor> CreateStartInterceptor();
 
  protected:
   // Override from net::URLRequest::Interceptor:
-  virtual net::URLRequestJob* MaybeIntercept(
+  net::URLRequestJob* MaybeIntercept(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) override;
-  virtual net::URLRequestJob* MaybeInterceptResponse(
+  net::URLRequestJob* MaybeInterceptResponse(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) override;
-  virtual net::URLRequestJob* MaybeInterceptRedirect(
+  net::URLRequestJob* MaybeInterceptRedirect(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate,
       const GURL& location) override;
 
  private:
   friend struct DefaultSingletonTraits<AppCacheInterceptor>;
   class StartInterceptor;
 
   AppCacheInterceptor();
-  virtual ~AppCacheInterceptor();
+  ~AppCacheInterceptor() override;
 
   static void SetHandler(net::URLRequest* request,
                          AppCacheRequestHandler* handler);
   static AppCacheRequestHandler* GetHandler(net::URLRequest* request);
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheInterceptor);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_INTERCEPTOR_H_