Standardize usage of virtual/override/final in content/browser/

content/browser/media/media_internals.cc

 // Copyright (c) 2012 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 "content/browser/media/media_internals.h"
 
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 50 matching lines @@
 
 }  // namespace
 
 namespace content {
 
 class AudioLogImpl : public media::AudioLog {
  public:
   AudioLogImpl(int owner_id,
                media::AudioLogFactory::AudioComponent component,
                content::MediaInternals* media_internals);
-  virtual ~AudioLogImpl();
+  ~AudioLogImpl() override;
 
-  virtual void OnCreated(int component_id,
-                         const media::AudioParameters& params,
-                         const std::string& device_id) override;
-  virtual void OnStarted(int component_id) override;
-  virtual void OnStopped(int component_id) override;
-  virtual void OnClosed(int component_id) override;
-  virtual void OnError(int component_id) override;
-  virtual void OnSetVolume(int component_id, double volume) override;
+  void OnCreated(int component_id,
+                 const media::AudioParameters& params,
+                 const std::string& device_id) override;
+  void OnStarted(int component_id) override;
+  void OnStopped(int component_id) override;
+  void OnClosed(int component_id) override;
+  void OnError(int component_id) override;
+  void OnSetVolume(int component_id, double volume) override;
 
  private:
   void SendSingleStringUpdate(int component_id,
                               const std::string& key,
                               const std::string& value);
   void StoreComponentMetadata(int component_id, base::DictionaryValue* dict);
   std::string FormatCacheKey(int component_id);
 
   const int owner_id_;
   const media::AudioLogFactory::AudioComponent component_;
@@ skipping 209 matching lines @@
     const std::string& function,
     const base::DictionaryValue* value) {
   SendUpdate(SerializeUpdate(function, value));
 
   base::AutoLock auto_lock(lock_);
   scoped_ptr<base::Value> out_value;
   CHECK(audio_streams_cached_data_.Remove(cache_key, &out_value));
 }
 
 }  // namespace content