Standardize usage of virtual/override/final specifiers.

media/cast/logging/serialize_deserialize_test.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.
 
 // Joint LogSerializer and LogDeserializer testing to make sure they stay in
 // sync.
 
 #include "base/memory/scoped_ptr.h"
 #include "media/cast/logging/log_deserializer.h"
 #include "media/cast/logging/log_serializer.h"
@@ skipping 25 matching lines @@
 }
 
 namespace media {
 namespace cast {
 
 class SerializeDeserializeTest : public ::testing::Test {
  protected:
   SerializeDeserializeTest()
       : serialized_(new char[kMaxSerializedBytes]), output_bytes_(0) {}
 
-  virtual ~SerializeDeserializeTest() {}
+  ~SerializeDeserializeTest() override {}
 
   void Init() {
     metadata_.set_first_rtp_timestamp(12345678 * 90);
     metadata_.set_is_audio(false);
     metadata_.set_num_frame_events(10);
     metadata_.set_num_packet_events(10);
 
     int64 event_time_ms = 0;
     // Insert frame and packet events with RTP timestamps 0, 90, 180, ...
     for (int i = 0; i < metadata_.num_frame_events(); i++) {
@@ skipping 148 matching lines @@
                                  compressed,
                                  100,
                                  serialized_.get(),
                                  &output_bytes_);
   EXPECT_FALSE(success);
   EXPECT_EQ(0, output_bytes_);
 }
 
 }  // namespace cast
 }  // namespace media