Standardize usage of virtual/override/final specifiers.

media/cast/net/pacing/paced_sender_unittest.cc

 // 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.
 
 #include <stdint.h>
 
 #include "base/big_endian.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "media/cast/logging/logging_impl.h"
 #include "media/cast/logging/simple_event_subscriber.h"
@@ skipping 55 matching lines @@
     paced_sender_.reset(new PacedSender(kTargetBurstSize,
                                         kMaxBurstSize,
                                         &testing_clock_,
                                         &logging_,
                                         &mock_transport_,
                                         task_runner_));
     paced_sender_->RegisterAudioSsrc(kAudioSsrc);
     paced_sender_->RegisterVideoSsrc(kVideoSsrc);
   }
 
-  virtual ~PacedSenderTest() {
+  ~PacedSenderTest() override {
     logging_.RemoveRawEventSubscriber(&subscriber_);
   }
 
   static void UpdateCastTransportStatus(CastTransportStatus status) {
     NOTREACHED();
   }
 
   SendPacketVector CreateSendPacketVector(size_t packet_size,
                                           int num_of_packets_in_frame,
                                           bool audio) {
@@ skipping 372 matching lines @@
   EXPECT_TRUE(paced_sender_->ResendPackets(packets, dedup_info));
   EXPECT_EQ(static_cast<int64>(kSize1), mock_transport_.GetBytesSent());
 
   dedup_info.resend_interval = base::TimeDelta::FromMilliseconds(5);
   EXPECT_TRUE(paced_sender_->ResendPackets(packets, dedup_info));
   EXPECT_EQ(static_cast<int64>(2 * kSize1), mock_transport_.GetBytesSent());
 }
 
 }  // namespace cast
 }  // namespace media