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

chrome/browser/copresence/chrome_whispernet_client.h

 // 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.
 
 #ifndef CHROME_BROWSER_COPRESENCE_CHROME_WHISPERNET_CLIENT_H_
 #define CHROME_BROWSER_COPRESENCE_CHROME_WHISPERNET_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 16 matching lines @@
 namespace media {
 class AudioBusRefCounted;
 }
 
 // This class is responsible for communication with our ledger_proxy extension
 // that talks to the whispernet audio library.
 class ChromeWhispernetClient : public copresence::WhispernetClient {
  public:
   // The browser context needs to outlive this class.
   explicit ChromeWhispernetClient(content::BrowserContext* browser_context);
-  virtual ~ChromeWhispernetClient();
+  ~ChromeWhispernetClient() override;
 
   // WhispernetClient overrides:
-  virtual void Initialize(const SuccessCallback& init_callback) override;
-  virtual void Shutdown() override;
+  void Initialize(const SuccessCallback& init_callback) override;
+  void Shutdown() override;
 
-  virtual void EncodeToken(const std::string& token, bool audible) override;
-  virtual void DecodeSamples(const std::string& samples) override;
-  virtual void DetectBroadcast() override;
+  void EncodeToken(const std::string& token, bool audible) override;
+  void DecodeSamples(const std::string& samples) override;
+  void DetectBroadcast() override;
 
-  virtual void RegisterTokensCallback(
-      const TokensCallback& tokens_callback) override;
-  virtual void RegisterSamplesCallback(
+  void RegisterTokensCallback(const TokensCallback& tokens_callback) override;
+  void RegisterSamplesCallback(
       const SamplesCallback& samples_callback) override;
-  virtual void RegisterDetectBroadcastCallback(
+  void RegisterDetectBroadcastCallback(
       const SuccessCallback& db_callback) override;
 
-  virtual TokensCallback GetTokensCallback() override;
-  virtual SamplesCallback GetSamplesCallback() override;
-  virtual SuccessCallback GetDetectBroadcastCallback() override;
-  virtual SuccessCallback GetInitializedCallback() override;
+  TokensCallback GetTokensCallback() override;
+  SamplesCallback GetSamplesCallback() override;
+  SuccessCallback GetDetectBroadcastCallback() override;
+  SuccessCallback GetInitializedCallback() override;
 
   static const char kWhispernetProxyExtensionId[];
 
  private:
   // Fire an event to initialize whispernet with the given parameters.
   void InitializeWhispernet(
       const extensions::api::copresence_private::AudioParameters& params);
 
   // This gets called twice; once when the proxy extension loads, the second
   // time when we have initialized the proxy extension's encoder and decoder.
   void OnExtensionLoaded(bool success);
 
   content::BrowserContext* browser_context_;
 
   SuccessCallback extension_loaded_callback_;
   SuccessCallback init_callback_;
 
   TokensCallback tokens_callback_;
   SamplesCallback samples_callback_;
   SuccessCallback db_callback_;
 
   bool extension_loaded_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeWhispernetClient);
 };
 
 #endif  // CHROME_BROWSER_COPRESENCE_CHROME_WHISPERNET_CLIENT_H_