Standardize usage of virtual/override/final in net/

net/http/disk_cache_based_quic_server_info.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 NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_
 #define NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 13 matching lines @@
 // our standard disk cache. Since the information is defined to be
 // non-sensitive, it's ok for us to keep it on disk.
 class NET_EXPORT_PRIVATE DiskCacheBasedQuicServerInfo
     : public QuicServerInfo,
       public NON_EXPORTED_BASE(base::NonThreadSafe) {
  public:
   DiskCacheBasedQuicServerInfo(const QuicServerId& server_id,
                                HttpCache* http_cache);
 
   // QuicServerInfo implementation.
-  virtual void Start() override;
-  virtual int WaitForDataReady(const CompletionCallback& callback) override;
-  virtual bool IsDataReady() override;
-  virtual bool IsReadyToPersist() override;
-  virtual void Persist() override;
+  void Start() override;
+  int WaitForDataReady(const CompletionCallback& callback) override;
+  bool IsDataReady() override;
+  bool IsReadyToPersist() override;
+  void Persist() override;
 
  private:
   struct CacheOperationDataShim;
   enum State {
     GET_BACKEND,
     GET_BACKEND_COMPLETE,
     OPEN,
     OPEN_COMPLETE,
     READ,
     READ_COMPLETE,
     WAIT_FOR_DATA_READY_DONE,
     CREATE_OR_OPEN,
     CREATE_OR_OPEN_COMPLETE,
     WRITE,
     WRITE_COMPLETE,
     SET_DONE,
     NONE,
   };
 
-  virtual ~DiskCacheBasedQuicServerInfo();
+  ~DiskCacheBasedQuicServerInfo() override;
 
   std::string key() const;
 
   // The |unused| parameter is a small hack so that we can have the
   // CacheOperationDataShim object owned by the Callback that is created for
   // this method.  See comment above CacheOperationDataShim for details.
   void OnIOComplete(CacheOperationDataShim* unused, int rv);
 
   int DoLoop(int rv);
 
@@ skipping 29 matching lines @@
   scoped_refptr<IOBuffer> read_buffer_;
   scoped_refptr<IOBuffer> write_buffer_;
   std::string data_;
 
   base::WeakPtrFactory<DiskCacheBasedQuicServerInfo> weak_factory_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_