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

net/quic/quic_session.h

 // Copyright (c) 2012 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.
 //
 // A QuicSession, which demuxes a single connection to individual streams.
 
 #ifndef NET_QUIC_QUIC_SESSION_H_
 #define NET_QUIC_QUIC_SESSION_H_
 
 #include <vector>
@@ skipping 39 matching lines @@
     ENCRYPTION_REESTABLISHED,
     // HANDSHAKE_CONFIRMED, in a client, indicates the the server has accepted
     // our handshake. In a server it indicates that a full, valid client hello
     // has been received. (Client and server.)
     HANDSHAKE_CONFIRMED,
   };
 
   QuicSession(QuicConnection* connection,
               const QuicConfig& config);
 
-  virtual ~QuicSession();
+  virtual ~QuicSession() OVERRIDE;
 
   // QuicConnectionVisitorInterface methods:
   virtual bool OnStreamFrames(
       const std::vector<QuicStreamFrame>& frames) OVERRIDE;
   virtual void OnRstStream(const QuicRstStreamFrame& frame) OVERRIDE;
   virtual void OnGoAway(const QuicGoAwayFrame& frame) OVERRIDE;
   virtual void OnConnectionClosed(QuicErrorCode error, bool from_peer) OVERRIDE;
   virtual void OnSuccessfulVersionNegotiation(
       const QuicVersion& version) OVERRIDE {}
   virtual void OnConfigNegotiated() OVERRIDE;
@@ skipping 250 matching lines @@
 
   // Indicate if there is pending data for the crypto stream.
   bool has_pending_handshake_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSession);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SESSION_H_