Standardize usage of virtual/override/final in media/

media/cast/test/loopback_transport.h

 // 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.
 
 #ifndef MEDIA_CAST_TEST_LOOPBACK_TRANSPORT_H_
 #define MEDIA_CAST_TEST_LOOPBACK_TRANSPORT_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/cast/cast_environment.h"
 #include "media/cast/net/cast_transport_config.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 class TickClock;
 }  // namespace base
 
 namespace media {
 namespace cast {
 
 namespace test {
 class PacketPipe;
 }  // namespace test
 
 // Class that sends the packet to a receiver through a stack of PacketPipes.
 class LoopBackTransport : public PacketSender {
  public:
   explicit LoopBackTransport(
       scoped_refptr<CastEnvironment> cast_environment);
-  virtual ~LoopBackTransport();
+  ~LoopBackTransport() override;
 
-  virtual bool SendPacket(PacketRef packet,
-                          const base::Closure& cb) override;
+  bool SendPacket(PacketRef packet, const base::Closure& cb) override;
 
-  virtual int64 GetBytesSent() override;
+  int64 GetBytesSent() override;
 
   // Initiailize this loopback transport.
   // Establish a flow of packets from |pipe| to |packet_receiver|.
   // The data flow looks like:
   // SendPacket() -> |pipe| -> Fake loopback pipe -> |packet_receiver|.
   void Initialize(
       scoped_ptr<test::PacketPipe> pipe,
       const PacketReceiverCallback& packet_receiver,
       const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
       base::TickClock* clock);
 
  private:
   const scoped_refptr<CastEnvironment> cast_environment_;
   scoped_ptr<test::PacketPipe> packet_pipe_;
   int64 bytes_sent_;
 
   DISALLOW_COPY_AND_ASSIGN(LoopBackTransport);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_TEST_LOOPBACK_TRANSPORT_H_