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

net/quic/congestion_control/pacing_sender_test.cc

 // 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.
 
 #include "net/quic/congestion_control/pacing_sender.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/quic/quic_protocol.h"
 #include "net/quic/test_tools/mock_clock.h"
@@ skipping 12 matching lines @@
       : zero_time_(QuicTime::Delta::Zero()),
         infinite_time_(QuicTime::Delta::Infinite()),
         sequence_number_(1),
         mock_sender_(new StrictMock<MockSendAlgorithm>()),
         pacing_sender_(new PacingSender(mock_sender_,
                                         QuicTime::Delta::FromMilliseconds(1))) {
     // Pick arbitrary time.
     clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(9));
   }
 
-  virtual ~PacingSenderTest() {}
+  virtual ~PacingSenderTest() OVERRIDE {}
 
   void CheckPacketIsSentImmediately() {
     // In order for the packet to be sendable, the underlying sender must
     // permit it to be sent immediately.
     EXPECT_CALL(*mock_sender_, TimeUntilSend(clock_.Now(),
                                              NOT_RETRANSMISSION,
                                              HAS_RETRANSMITTABLE_DATA,
                                              NOT_HANDSHAKE))
         .WillOnce(Return(zero_time_));
     // Verify that the packet can be sent immediately.
@@ skipping 115 matching lines @@
   CheckPacketIsDelayed(QuicTime::Delta::FromMilliseconds(2));
 
   // Wake up early, but after enough time has passed to permit a send.
   clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(1));
   CheckPacketIsSentImmediately();
   CheckPacketIsDelayed(QuicTime::Delta::FromMilliseconds(2));
 }
 
 }  // namespace test
 }  // namespace net