Standardize usage of virtual/override/final specifiers.

components/copresence/mediums/audio/audio_player_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 "components/copresence/mediums/audio/audio_player.h"
 
 #include "base/bind.h"
 #include "base/memory/weak_ptr.h"
 #include "components/copresence/mediums/audio/audio_player_impl.h"
 #include "components/copresence/public/copresence_constants.h"
@@ skipping 60 matching lines @@
 namespace copresence {
 
 class AudioPlayerTest : public testing::Test,
                         public base::SupportsWeakPtr<AudioPlayerTest> {
  public:
   AudioPlayerTest() : buffer_index_(0), player_(NULL) {
     if (!media::AudioManager::Get())
       media::AudioManager::CreateForTesting();
   }
 
-  virtual ~AudioPlayerTest() { DeletePlayer(); }
+  ~AudioPlayerTest() override { DeletePlayer(); }
 
   void CreatePlayer() {
     DeletePlayer();
     player_ = new AudioPlayerImpl();
     player_->set_output_stream_for_testing(new TestAudioOutputStream(
         kDefaultFrameCount,
         kMaxFrameCount,
         base::Bind(&AudioPlayerTest::GatherSamples, AsWeakPtr())));
     player_->Initialize();
   }
@@ skipping 90 matching lines @@
 TEST_F(AudioPlayerTest, PlayingEndToEnd) {
   const int kNumSamples = kDefaultFrameCount * 10;
   CreatePlayer();
 
   PlayAndVerifySamples(CreateRandomAudioRefCounted(0x1337, 1, kNumSamples));
 
   DeletePlayer();
 }
 
 }  // namespace copresence