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

content/browser/speech/google_streaming_remote_engine.h

Index: content/browser/speech/google_streaming_remote_engine.h
diff --git a/content/browser/speech/google_streaming_remote_engine.h b/content/browser/speech/google_streaming_remote_engine.h
index cc5c17734e086cf4fbaf13e1da29afbf44050d0d..961ef0877dbb174ff62d8211cf2df907aa537ce9 100644
--- a/content/browser/speech/google_streaming_remote_engine.h
+++ b/content/browser/speech/google_streaming_remote_engine.h
@@ -57,21 +57,22 @@ class CONTENT_EXPORT GoogleStreamingRemoteEngine
   static const int kDownstreamUrlFetcherIdForTesting;
 
   explicit GoogleStreamingRemoteEngine(net::URLRequestContextGetter* context);
-  virtual ~GoogleStreamingRemoteEngine();
+  ~GoogleStreamingRemoteEngine() override;
 
   // SpeechRecognitionEngine methods.
-  virtual void SetConfig(const SpeechRecognitionEngineConfig& config) override;
-  virtual void StartRecognition() override;
-  virtual void EndRecognition() override;
-  virtual void TakeAudioChunk(const AudioChunk& data) override;
-  virtual void AudioChunksEnded() override;
-  virtual bool IsRecognitionPending() const override;
-  virtual int GetDesiredAudioChunkDurationMs() const override;
+  void SetConfig(const SpeechRecognitionEngineConfig& config) override;
+  void StartRecognition() override;
+  void EndRecognition() override;
+  void TakeAudioChunk(const AudioChunk& data) override;
+  void AudioChunksEnded() override;
+  bool IsRecognitionPending() const override;
+  int GetDesiredAudioChunkDurationMs() const override;
 
   // net::URLFetcherDelegate methods.
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) override;
-  virtual void OnURLFetchDownloadProgress(const net::URLFetcher* source,
-                                          int64 current, int64 total) override;
+  void OnURLFetchComplete(const net::URLFetcher* source) override;
+  void OnURLFetchDownloadProgress(const net::URLFetcher* source,
+                                  int64 current,
+                                  int64 total) override;
 
  private:
   // Response status codes from the speech recognition webservice.