Update {virtual,override,final} to follow C++11 style.

content/browser/speech/speech_recognizer_impl_android.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_BROWSER_SPEECH_SPEECH_RECOGNIZER_IMPL_ANDROID_H_
 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_IMPL_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/speech/speech_recognizer.h"
 #include "content/public/common/speech_recognition_error.h"
 #include "content/public/common/speech_recognition_result.h"
 
 namespace content {
 
 class SpeechRecognitionEventListener;
 
 class CONTENT_EXPORT SpeechRecognizerImplAndroid : public SpeechRecognizer {
  public:
   SpeechRecognizerImplAndroid(SpeechRecognitionEventListener* listener,
                               int session_id);
 
   // SpeechRecognizer methods.
-  virtual void StartRecognition(const std::string& device_id) override;
-  virtual void AbortRecognition() override;
-  virtual void StopAudioCapture() override;
-  virtual bool IsActive() const override;
-  virtual bool IsCapturingAudio() const override;
+  void StartRecognition(const std::string& device_id) override;
+  void AbortRecognition() override;
+  void StopAudioCapture() override;
+  bool IsActive() const override;
+  bool IsCapturingAudio() const override;
 
   // Called from Java methods via JNI.
   void OnAudioStart(JNIEnv* env, jobject obj);
   void OnSoundStart(JNIEnv* env, jobject obj);
   void OnSoundEnd(JNIEnv* env, jobject obj);
   void OnAudioEnd(JNIEnv* env, jobject obj);
   void OnRecognitionResults(JNIEnv* env, jobject obj, jobjectArray strings,
                             jfloatArray floats, jboolean interim);
   void OnRecognitionError(JNIEnv* env, jobject obj, jint error);
   void OnRecognitionEnd(JNIEnv* env, jobject obj);
 
   static bool RegisterSpeechRecognizer(JNIEnv* env);
 
  private:
   enum State {
     STATE_IDLE = 0,
     STATE_CAPTURING_AUDIO,
     STATE_AWAITING_FINAL_RESULT
   };
 
   void StartRecognitionOnUIThread(
       std::string language, bool continuous, bool interim_results);
   void OnRecognitionResultsOnIOThread(SpeechRecognitionResults const &results);
 
-  virtual ~SpeechRecognizerImplAndroid();
+  ~SpeechRecognizerImplAndroid() override;
 
   base::android::ScopedJavaGlobalRef<jobject> j_recognition_;
   State state_;
 
   DISALLOW_COPY_AND_ASSIGN(SpeechRecognizerImplAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_IMPL_ANDROID_H_