replace OVERRIDE and FINAL with override and final in chrome/browser/extensions/

chrome/browser/extensions/api/audio/audio_service_linux.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 "chrome/browser/extensions/api/audio/audio_service.h"
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/thread_checker.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace extensions {
 
 using api::audio::OutputDeviceInfo;
 using api::audio::InputDeviceInfo;
 
 class AudioServiceImpl : public AudioService {
  public:
   AudioServiceImpl();
   virtual ~AudioServiceImpl();
 
  private:
   // Called by listeners to this service to add/remove themselves as observers.
-  virtual void AddObserver(AudioService::Observer* observer) OVERRIDE;
-  virtual void RemoveObserver(AudioService::Observer* observer) OVERRIDE;
+  virtual void AddObserver(AudioService::Observer* observer) override;
+  virtual void RemoveObserver(AudioService::Observer* observer) override;
 
   // Start to query audio device information.
-  virtual void StartGetInfo(const GetInfoCallback& callback) OVERRIDE;
-  virtual void SetActiveDevices(const DeviceIdList& device_list) OVERRIDE;
+  virtual void StartGetInfo(const GetInfoCallback& callback) override;
+  virtual void SetActiveDevices(const DeviceIdList& device_list) override;
   virtual bool SetDeviceProperties(const std::string& device_id,
                                    bool muted,
                                    int volume,
-                                   int gain) OVERRIDE;
+                                   int gain) override;
 
   // List of observers.
   ObserverList<AudioService::Observer> observer_list_;
 
   base::ThreadChecker thread_checker_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<AudioServiceImpl> weak_ptr_factory_;
 
@@ skipping 34 matching lines @@
                                            int gain) {
   DCHECK(thread_checker_.CalledOnValidThread());
   return false;
 }
 
 AudioService* AudioService::CreateInstance() {
   return new AudioServiceImpl;
 }
 
 }  // namespace extensions