Standardize usage of virtual/override/final in media/

media/cast/sender/video_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 <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 46 matching lines @@
 }
 
 class TestPacketSender : public PacketSender {
  public:
   TestPacketSender()
       : number_of_rtp_packets_(0),
         number_of_rtcp_packets_(0),
         paused_(false) {}
 
   // A singular packet implies a RTCP packet.
-  virtual bool SendPacket(PacketRef packet,
-                          const base::Closure& cb) override {
+  bool SendPacket(PacketRef packet, const base::Closure& cb) override {
     if (paused_) {
       stored_packet_ = packet;
       callback_ = cb;
       return false;
     }
     if (Rtcp::IsRtcpPacket(&packet->data[0], packet->data.size())) {
       ++number_of_rtcp_packets_;
     } else {
       // Check that at least one RTCP packet was sent before the first RTP
       // packet.  This confirms that the receiver will have the necessary lip
       // sync info before it has to calculate the playout time of the first
       // frame.
       if (number_of_rtp_packets_ == 0)
         EXPECT_LE(1, number_of_rtcp_packets_);
       ++number_of_rtp_packets_;
     }
     return true;
   }
 
-  virtual int64 GetBytesSent() override {
-    return 0;
-  }
+  int64 GetBytesSent() override { return 0; }
 
   int number_of_rtp_packets() const { return number_of_rtp_packets_; }
 
   int number_of_rtcp_packets() const { return number_of_rtcp_packets_; }
 
   void SetPause(bool paused) {
     paused_ = paused;
     if (!paused && stored_packet_.get()) {
       SendPacket(stored_packet_, callback_);
       callback_.Run();
@@ skipping 433 matching lines @@
   cast_feedback.ack_frame_id = 0;
   video_sender_->OnReceivedCastFeedback(cast_feedback);
 
   transport_.SetPause(false);
   RunTasks(33);
   EXPECT_EQ(0, transport_.number_of_rtp_packets());
 }
 
 }  // namespace cast
 }  // namespace media