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

net/quic/congestion_control/fix_rate_sender.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.
 //
 // Fix rate send side congestion control, used for testing.
 
 #ifndef NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_
 #define NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "net/base/net_export.h"
 #include "net/quic/quic_clock.h"
 #include "net/quic/quic_time.h"
 #include "net/quic/congestion_control/leaky_bucket.h"
 #include "net/quic/congestion_control/paced_sender.h"
 #include "net/quic/congestion_control/send_algorithm_interface.h"
 
 namespace net {
 
 class NET_EXPORT_PRIVATE FixRateSender : public SendAlgorithmInterface {
  public:
   explicit FixRateSender(const QuicClock* clock);
-  virtual ~FixRateSender();
+  virtual ~FixRateSender() OVERRIDE;
 
   // Start implementation of SendAlgorithmInterface.
   virtual void SetFromConfig(const QuicConfig& config, bool is_server) OVERRIDE;
   virtual void SetMaxPacketSize(QuicByteCount max_packet_size) OVERRIDE;
   virtual void OnIncomingQuicCongestionFeedbackFrame(
       const QuicCongestionFeedbackFrame& feedback,
       QuicTime feedback_receive_time,
       const SentPacketsMap& sent_packets) OVERRIDE;
   virtual void OnPacketAcked(QuicPacketSequenceNumber acked_sequence_number,
                              QuicByteCount acked_bytes,
@@ skipping 29 matching lines @@
   PacedSender paced_sender_;
   QuicByteCount data_in_flight_;
   QuicTime::Delta latest_rtt_;
 
   DISALLOW_COPY_AND_ASSIGN(FixRateSender);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_