Add the override annotation to all necessary methods in .../quic/.

net/quic/quic_connection_logger.h

 // Copyright (c) 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 NET_QUIC_QUIC_CONNECTION_LOGGER_H_
 #define NET_QUIC_QUIC_CONNECTION_LOGGER_H_
 
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_protocol.h"
 
 namespace net {
 
 class BoundNetLog;
 class CryptoHandshakeMessage;
 
 // This class is a debug visitor of a QuicConnection which logs
 // events to |net_log|.
 class NET_EXPORT_PRIVATE QuicConnectionLogger
     : public QuicConnectionDebugVisitorInterface {
  public:
   explicit QuicConnectionLogger(const BoundNetLog& net_log);
 
-  virtual ~QuicConnectionLogger();
+  virtual ~QuicConnectionLogger() OVERRIDE;
 
   // QuicPacketGenerator::DebugDelegateInterface
   virtual void OnFrameAddedToPacket(const QuicFrame& frame) OVERRIDE;
 
   // QuicConnectionDebugVisitorInterface
   virtual void OnPacketSent(QuicPacketSequenceNumber sequence_number,
                             EncryptionLevel level,
                             const QuicEncryptedPacket& packet,
                             WriteResult result) OVERRIDE;
   virtual void OnPacketRetransmitted(
@@ skipping 41 matching lines @@
   // Number of times a truncated ACK frame was sent.
   size_t num_truncated_acks_sent_;
   // Number of times a truncated ACK frame was received.
   size_t num_truncated_acks_received_;
   DISALLOW_COPY_AND_ASSIGN(QuicConnectionLogger);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_LOGGER_H_