Standardize usage of virtual/override/final in net/

net/quic/quic_server_packet_writer.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_QUIC_QUIC_SERVER_PACKET_WRITER_H_
 #define NET_QUIC_QUIC_SERVER_PACKET_WRITER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "net/base/ip_endpoint.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_packet_writer.h"
 #include "net/quic/quic_protocol.h"
 
 namespace net {
 
 class QuicBlockedWriterInterface;
 class UDPServerSocket;
 struct WriteResult;
 
 // Chrome specific packet writer which uses a UDPServerSocket for writing
 // data.
 class QuicServerPacketWriter : public QuicPacketWriter {
  public:
   typedef base::Callback<void(WriteResult)> WriteCallback;
 
   QuicServerPacketWriter(UDPServerSocket* socket,
                          QuicBlockedWriterInterface* blocked_writer);
-  virtual ~QuicServerPacketWriter();
+  ~QuicServerPacketWriter() override;
 
   // Use this method to write packets rather than WritePacket:
   // QuicServerPacketWriter requires a callback to exist for every write, which
   // will be called once the write completes.
   virtual WriteResult WritePacketWithCallback(
       const char* buffer,
       size_t buf_len,
       const IPAddressNumber& self_address,
       const IPEndPoint& peer_address,
       WriteCallback callback);
 
   void OnWriteComplete(int rv);
 
   // QuicPacketWriter implementation:
-  virtual bool IsWriteBlockedDataBuffered() const override;
-  virtual bool IsWriteBlocked() const override;
-  virtual void SetWritable() override;
+  bool IsWriteBlockedDataBuffered() const override;
+  bool IsWriteBlocked() const override;
+  void SetWritable() override;
 
  protected:
   // Do not call WritePacket on its own -- use WritePacketWithCallback
-  virtual WriteResult WritePacket(const char* buffer,
-                                  size_t buf_len,
-                                  const IPAddressNumber& self_address,
-                                  const IPEndPoint& peer_address) override;
+  WriteResult WritePacket(const char* buffer,
+                          size_t buf_len,
+                          const IPAddressNumber& self_address,
+                          const IPEndPoint& peer_address) override;
+
  private:
   UDPServerSocket* socket_;
 
   // To be notified after every successful asynchronous write.
   QuicBlockedWriterInterface* blocked_writer_;
 
   // To call once the write completes.
   WriteCallback callback_;
 
   // Whether a write is currently in flight.
   bool write_blocked_;
 
   base::WeakPtrFactory<QuicServerPacketWriter> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicServerPacketWriter);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SERVER_PACKET_WRITER_H_