Standardize usage of virtual/override/final in content/

content/shell/browser/shell_speech_recognition_manager_delegate.h

 // Copyright 2013 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 CONTENT_SHELL_BROWSER_SHELL_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
 #define CONTENT_SHELL_BROWSER_SHELL_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "content/public/browser/speech_recognition_event_listener.h"
 #include "content/public/browser/speech_recognition_manager_delegate.h"
 
 namespace content {
 
 // This is content_shell's delegate used by the speech recognition manager to
 // check for permission to record audio. For content_shell, we always authorize
 // speech recognition (see crbug.com/237119).
 class ShellSpeechRecognitionManagerDelegate
     : public SpeechRecognitionManagerDelegate {
  public:
   ShellSpeechRecognitionManagerDelegate() {}
-  virtual ~ShellSpeechRecognitionManagerDelegate() {}
+  ~ShellSpeechRecognitionManagerDelegate() override {}
 
   // SpeechRecognitionManagerDelegate methods.
-  virtual void GetDiagnosticInformation(
-      bool* can_report_metrics, std::string* hardware_info) override {}
-  virtual void CheckRecognitionIsAllowed(int session_id,
+  void GetDiagnosticInformation(bool* can_report_metrics,
+                                std::string* hardware_info) override {}
+  void CheckRecognitionIsAllowed(
+      int session_id,
       base::Callback<void(bool ask_user, bool is_allowed)> callback) override;
-  virtual SpeechRecognitionEventListener* GetEventListener() override;
-  virtual bool FilterProfanities(int render_process_id) override;
+  SpeechRecognitionEventListener* GetEventListener() override;
+  bool FilterProfanities(int render_process_id) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShellSpeechRecognitionManagerDelegate);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_SHELL_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_